What Junior Software Developer Mobile Jobs are in the United States?

Principal Software Engineer – Mobile Development

Prometheus Group is a team of self‑starters centered on being resourceful, accountable, and results focused.

Career progress is based on merit and not years of service or attaining certifications.

Our drive and dedication to creating great products for our global customers are at the heart of all we do!

In joining Prometheus, you will become a part of the largest global provider of comprehensive enterprise asset management software solutions that support the management life cycle for equipment maintenance and operations.

Principal Software Engineer – Mobile Development

We are seeking an experienced Principal Software Engineer – Mobile Development to join our innovative development team. The ideal candidate will be a software craftsman, an excellence champion, and an expert in advanced object‑oriented programming and related concepts, with extensive experience in mobile development frameworks and modern front‑end development and cloud.

This role involves tackling complex technical challenges, mentoring team members, implementing industry best practices, and collaborating closely with various product stakeholders. You will be expected to take on the most complicated features while also mentoring less senior developers on coding practices, design patterns, and the overall processes to follow that lead to high‑quality code.

Key Responsibilities

• Lead the design and development of complex, scalable mobile solutions using OOP principles and mobile development technologies such as Xamarin/Maui, iOS (Swift/Objective‑C), Android (Java/Kotlin), Windows (C#), and React Native.
• Be a champion in engineering excellence, which starts from clean, testable code and spans through unit tests.
• Go beyond unit tests with the test‑first approaches like Test‑Driven Development and Behavior‑Driven Development.
• Lead by example in all things engineering excellence! Do what you know best, know what you do best, and have the mindset for continuous learning while mentoring junior and mid‑level engineers in the team, fostering their professional growth and technical skills.
• Execute spikes/POCs to prove or disprove an architecture, design, or concept.
• Conduct thorough code reviews and provide constructive feedback to team members.
• Collaborate closely with product managers, architects, UX designers, and other stakeholders to define and implement software functionality, architecture, and system designs.
• Lead the team in the implementation of security best practices and mentor others on their use.
• Stay aware of and have an opinion about emerging technologies and industry trends and blend it with our application portfolio state – to effectively participate in conversations that help uplift our application portfolio; – to institute changes that maximize velocity and achieve a constant rate from sprint to sprint; – to contribute to the ongoing improvement of development processes and methodologies; – to drive technical decision‑making and provide expert advice to various departments within the organization.
• You will tackle the most challenging and intricate tasks within the development lifecycle.

Required Qualifications

• Bachelor's in software engineering, or a related field
• 10+ years of experience in software development, with at least 7 years focusing on native or cross‑platform frameworks on a commercial software product.
• Expert‑level knowledge of native languages and cross‑platform frameworks
• Expert‑level knowledge of application deployment in mobile device management (e.g., Apple/Google Store)
• Expert in writing and mentoring team members in the creation of unit tests
• Expertise in troubleshooting performance problems and identifying and implementing remediation.
• Strong understanding of OOP principles and design patterns
• Extensive experience with software architecture and system design, including concepts from Patterns of Enterprise Application Architecture
• Proficiency in developing and consuming RESTful APIs
• Experience with relational databases (e.g., SQL Server, Postgres, SQLite) and ORM frameworks
• Proven record of accomplishment of implementing and maintaining test‑driven development practices.
• Excellent problem‑solving and analytical skills
• Strong leadership and communication skills, with the ability to mentor and guide team members
• Experience working with cross‑functional teams and various stakeholders.
• Knowledge of microservices architecture and containerization (e.g., Docker, Kubernetes)
• Familiarity with cloud platforms (e.g., AWS)
• Experience setting up CI/CD pipelines and utilizing DevOps practices.
• Strong understanding of Agile methodologies

Preferred Qualifications

• Experience with ERP integrations (e.g., SAP, Oracle, Maximo)

Benefits Overview

• Employee base HSA plan, dental, life and short‑term disability coverage 100% paid for by the company.
• HSA & FSA plan options
• Retirement Savings with Generous Company Match & Immediate Vesting
• Gym membership to O2 Fitness
• Casual dress attire
• Company Outings, Trips & Activities

Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

Information Technology

Prometheus Group is proud to be an Equal Employment Opportunity and affirmative action employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

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About the role

The Principal Software Engineer – Mobile Applications will serve as a technical leader and hands‑on developer responsible for designing, developing, and maintaining advanced Android and cross‑platform mobile applications development.

This role blends hands‑on technical expertise with team leadership, ensuring delivery of secure, high‑quality, and compliant medical software solutions in accordance with FDA and ISO 13485 standards.

At Boston Scientific, we value collaboration and synergy. This role follows a hybrid work model requiring employees to be in our local office at least three days per week. Relocation assistance is not available for this position at this time. Boston Scientific will not offer sponsorship or take over sponsorship of an employment visa for this position at this time.

Your responsibilities will include

• Lead the architecture, design, and development of mobile applications for implantable medical devices using Kotlin Multiplatform and Core Java.
• Ensure secure communication between devices and cloud systems via Bluetooth Low Energy (BLE) and AWS‑based APIs.
• Develop and maintain libraries and SDKs for cross‑platform mobile applications.
• Integrate mobile applications with AWS cloud infrastructure (KMS, S3, DynamoDB, Cognito, API Gateway, EC2, CloudWatch).
• Author and review key design documentation: architecture specs, DFMEA, cybersecurity reports, threat models, etc.
• Conduct peer reviews and maintain code integrity, ensuring traceability and compliance per medical device process.
• Lead Agile/Scrum ceremonies, mentoring distributed teams (U.S., Costa Rica, India, China, Ukraine) across time zones.
• Estimate timelines, propose plans, review milestones and lead app development from concept through commercialization.

Required qualifications

• Bachelor’s or Master’s degree in Computer science, Software Engineering, or related field.
• 8+ years of experience in Android mobile app development, with at least 2+ years in medical device application.
• Experience of architecting, designing and developing of mobile applications.
• Strong command of at least three of the following technologies and frameworks: Kotlin, Kotlin Multiplatform, Java, and Android Jetpack architectures, including MVVM, Rx, and XML data binding.
• 3 + years’ experience with AWS services and secure communication protocols (BLE, Wi‑Fi, HTTPS, OAuth).
• Good understanding of IEC 62304, ISO 13485, and FDA design controls for medical device software.
• Excellent communication skills with the ability to collaborate across global teams, lead cross‑functional projects, and develop documentation supporting regulatory deliverables.

Preferred qualifications

• Experience in Developing Mobile apps for Neuromodulation devices.
• Prior experience with medical device connectivity.
• Experience with CI/CD (Jenkins, Git), SonarQube, and Atlassian Agile tools.
• Prior experience on secure BLE communication, data encryption, and integration with AWS cloud services (S3, DynamoDB, Cognito, API Gateway)
• Experience in cybersecurity techniques (sandboxing, code obfuscation, penetration testing).
• Exposure to data science or machine learning frameworks (TensorFlow, Pandas, NumPy, R).

Additional Information

Requisition ID:

Minimum Salary: $

Maximum Salary: $

The anticipated compensation listed above and the value of core and optional employee benefits offered by Boston Scientific (BSC) – see – will vary based on actual location of the position and other pertinent factors considered in determining actual compensation for the role. Compensation will be commensurate with demonstrable level of experience and training, pertinent education including licensure and certifications, among other relevant business or organizational needs. At BSC, it is not typical for an individual to be hired near the bottom or top of the anticipated salary range listed above.

Compensation for non‑exempt (hourly), non‑sales roles may also include variable compensation from time to time (e.g., any overtime and shift differential) and annual bonus target (subject to plan eligibility and other requirements).

Compensation for exempt, non‑sales roles may also include variable compensation, i.e., annual bonus target and long‑term incentives (subject to plan eligibility and other requirements).

For MA positions: It is unlawful to require or administer a lie detector test for employment. Violators are subject to criminal penalties and civil liability.

Boston Scientific Corporation has been and will continue to be an equal opportunity employer. To ensure full implementation of its equal employment policy, the Company will continue to take steps to assure that recruitment, hiring, assignment, promotion, compensation, and all other personnel decisions are made and administered without regard to race, religion, color, national origin, citizenship, sex, sexual orientation, gender identity, gender expression, veteran status, age, mental or physical disability, genetic information or any other protected class.

Please be advised that certain US based positions, including without limitation field sales and service positions that call on hospitals and/or health care centers, require acceptable proof of COVID‑19 vaccination status. Candidates will be notified during the interview and selection process if the role(s) for which they have applied require proof of vaccination as a condition of employment. Boston Scientific continues to evaluate its policies and protocols regarding the COVID‑19 vaccine and will comply with all applicable state and federal law and healthcare credentialing requirements. As employees of the Company, you will be expected to meet the ongoing requirements for your roles, including any new requirements, should the Company’s policies or protocols change with regard to COVID‑19 vaccination.

Among other requirements, Boston Scientific maintains specific prohibited substance test requirements for safety‑sensitive positions. This role is deemed safety‑sensitive and, as such, candidates will be subject to a prohibited substance test as a requirement. The goal of the prohibited substance testing is to increase workplace safety in compliance with the applicable law.

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Principal Software Engineer – Mobile Development

Valencia, CA, US, 91355

Diversity - Innovation - Caring - Global Collaboration - Winning Spirit- High Performance

At Boston Scientific, you will work in diverse, high-performing teams to develop advanced Android and cross‑platform mobile applications for implantable medical devices. This role blends hands‑on development with technical leadership, ensuring secure, high‑quality medical software that complies with FDA, ISO 13485, and IEC 62304 standards.

This position follows a hybrid work model: onsite in the local office at least three days per week. Relocation assistance is not available, and the company will not sponsor or transfer employment visas.

Responsibilities

• Lead the architecture, design, and development of mobile applications for implantable medical devices using Kotlin Multiplatform and Core Java.
• Ensure secure communication between devices and cloud systems via Bluetooth Low Energy (BLE) and AWS‑based APIs.
• Develop and maintain libraries and SDKs for cross‑platform mobile applications.
• Integrate mobile applications with AWS cloud infrastructure (KMS, S3, DynamoDB, Cognito, API Gateway, EC2, CloudWatch).
• Author and review key design documentation: architecture specs, DFMEA, cybersecurity reports, threat models, etc.
• Conduct peer reviews and enforce code integrity, traceability, and compliance with medical device processes.
• Lead Agile/Scrum ceremonies, mentoring distributed teams across time zones.
• Estimate timelines, propose plans, and guide app development from concept through commercialization.

Required Qualifications

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.
• 8+ years of Android mobile app development experience, including at least 2 years in medical device application.
• Experience architecting, designing, and developing mobile applications.
• Strong command of at least three of the following technologies: Kotlin, Kotlin Multiplatform, Java, Android Jetpack (MVVM, Rx, XML data binding).
• 3+ years of experience with AWS services and secure communication protocols (BLE, Wi‑Fi, HTTPS, OAuth).
• Good understanding of IEC 62304, ISO 13485, and FDA design controls for medical device software.
• Excellent communication skills and ability to collaborate with global teams and lead cross‑functional projects.

Preferred Qualifications

• Experience developing mobile apps for neuromodulation devices.
• Prior medical device connectivity experience.
• Experience with CI/CD (Jenkins, Git), SonarQube, and Atlassian Agile tools.
• Secure BLE communication, data encryption, and AWS cloud services integration.
• Cybersecurity techniques (sandboxing, code obfuscation, penetration testing).
• Exposure to data science or machine learning frameworks (TensorFlow, Pandas, NumPy, R).

Location & Compensation

• Location: Valencia, CA, US (91355) – hybrid work model, onsite at least three days per week.
• Salary Range: $106,800 – $202,900 (annual).

Equal Opportunity Statement

Boston Scientific Corporation is an equal opportunity employer. The Company will make all personnel decisions without regard to race, religion, color, national origin, citizenship, sex, sexual orientation, gender identity, gender expression, veteran status, age, mental or physical disability, or genetic information.

Note: This role is safety‑sensitive and requires compliance with prohibited substance testing per applicable regulations.

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Location(s)

US-CA-Santa Clara; US-CA-San Jose; US-CA-Valencia

About the role

The Principal Software Engineer – Mobile Applications will serve as a technical leader and hands‑on developer responsible for designing, developing, and maintaining advanced Android and cross‑platform mobile applications. This role blends technical expertise with team leadership, ensuring delivery of secure, high‑quality, and compliant medical software solutions in accordance with FDA and ISO 13485 standards.

Responsibilities

• Lead the architecture, design, and development of mobile applications for implantable medical devices using Kotlin Multiplatform and Core Java.
• Ensure secure communication between devices and cloud systems via Bluetooth Low Energy (BLE) and AWS-based APIs.
• Develop and maintain libraries and SDKs for cross‑platform mobile applications.
• Integrate mobile applications with AWS cloud infrastructure (KMS, S3, DynamoDB, Cognito, API Gateway, EC2, CloudWatch).
• Author and review key design documentation: architecture specs, DFMEA, cybersecurity reports, threat models, etc.
• Conduct peer reviews and maintain code integrity, ensuring traceability and compliance per medical device process.
• Lead Agile/Scrum ceremonies, mentoring distributed teams (U.S., Costa Rica, India, China, Ukraine) across time zones.
• Estimate timelines, propose plans, review milestones and lead app development from concept through commercialization.

Required qualifications

• Bachelor’s or Master’s degree in Computer science, Software Engineering, or related field.
• 8+ years of experience in Android mobile app development, with at least 2+ years in medical device application.
• Experience of architecting, designing and developing mobile applications.
• Strong command of at least three of the following technologies and frameworks: Kotlin, Kotlin Multiplatform, Java, and Android Jetpack architectures, including MVVM, Rx, and XML data binding.
• 3+ years’ experience with AWS services and secure communication protocols (BLE, Wi‑Fi, HTTPS, OAuth).
• Good understanding of IEC 62304, ISO 13485, and FDA design controls for medical device software.
• Excellent communication skills with the ability to collaborate across global teams, lead cross‑functional projects, and develop documentation supporting regulatory deliverables.

Preferred qualifications

• Experience in Developing Mobile apps for Neuromodulation devices.
• Experience with CI/CD (Jenkins, Git), SonarQube, and Atlassian Agile tools.
• Prior experience on secure BLE communication, data encryption, and integration with AWS cloud services (S3, DynamoDB, Cognito, API Gateway).
• Experience in cybersecurity techniques (sandboxing, code obfuscation, penetration testing).
• Exposure to data science or machine learning frameworks (TensorFlow, Pandas, NumPy, R).

EEO Statement

Boston Scientific Corporation has been and will continue to be an equal opportunity employer. To ensure full implementation of its equal employment policy, the Company will continue to take steps to assure that recruitment, hiring, assignment, promotion, compensation, and all other personnel decisions are made and administered without regard to race, religion, color, national origin, citizenship, sex, sexual orientation, gender identity, gender expression, veteran status, age, mental or physical disability, genetic information or any other protected class.

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The Opportunity:As an embedded software engineer, you know how to create and maintain crucial pieces of software. You use your knowledge to write and optimize code that creates a bridge between pieces of software, allowing them to communicate. We’re looking for an embedded software engineer like you to develop technology for our clients’ most important mission-forward challenges.As an embedded software engineer at Booz Allen, you’ll support the development of systems, sites, and tools for our clients. Using the latest tools and technology, you’ll write, test, and edit code in support of the team’s overall results. You’ll strengthen your skills as you develop and reverse engineer software that supports hardware functionality on a wide range of devices, as well as configure solutions based on the platform being used. You’ll partner with team leadership to troubleshoot and correct operational issues, as well as with cybersecurity specialists to ensure that the software you’re creating is secure.Work with us to expand your tech skills and make a meaningful difference.Join us. The world can’t wait.You Have:3+ years of experience designing, building, testing, and deploying mobile applications in iOS or AndroidExperience in leading architecture decisions for new mobile apps products and modernization of existing apps such as Native app architecture, Dependency Management, Mobile applications testing, API integration patterns, Offline data synchronization, Authentication and Security, CI / CD pipelines for mobile, or App observability and analyticsExperience with mobile release pipelines using Apple app store or Google Play StoreExperience integrating mobile applications with backend APIs, cloud services, and third-party platformsExperience building scalable, user-focused applications, including attention to performance, usability, and maintainabilityExperience working with collaborative, cross-functional engineering teams to deliver production-ready sof tware solutionsAbility to build and maintain native iOS applications using Swift or Objective-C or Android applications using Kotlin or JavaAbility to obtain and maintain a Public Trust or Suitability/Fitness determination based on client requirementsHS diploma or GEDNice If You Have:Experience with Azure and AWS cloud systems with serverless architectureExperience with Java, Spring Boot, Angular, or modern web application frameworksExperience with cross-platform mobile develop ment frameworks, including React Native or FlutterExperience with AI infused programming such as spec driven develop ment.Experience supporting enterprise-scale or government technology environmentsVetting:Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information.CompensationAt Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $86,800.00 to $198,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.Identity StatementAs part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.Candidate AI Usage PolicyAI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided .Work ModelOur people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.Remote : If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.Hybrid : If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.Commitment to Non-DiscriminationAll qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.
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Company Description

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams — People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more — provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture new initiatives, and more. Every challenge creates possibilities, and we need different perspectives to see them all. Bring yours to Block.

Job Description

Android Developer Experience is responsible for building and providing all necessary infrastructure and tools to ensure Square’s Android development can continue to be fast and efficient at scale. We're looking for folks who are excited to problem solve and find solutions that empower hundreds of mobile developers to move more quickly than our competitors.

Engineering efficiency is particularly important for Square’s ability to continuously ship high quality software, so we strive to ensure our development tools enable developers to ship their features with speed and confidence. This is a high force multiplier, cross-functional team aiming to enhance the development experience for all mobile developers within Square.

You will be part of the team responsible for owning the entire development stack (build system, build tools) and integration with CI. You will improve the development process to allow our engineers to ship as quickly and effortlessly as possible. You’ll be working primarily on the Android platform infrastructure focused on our largest scaling codebase, Square’s Point of Sale applications, but we expect the results of the team’s work to be applicable to other Square applications.

What you will do:

• Innovate to amplify the efficiency of our mobile developers to develop, build, test, and release high quality apps to our merchants.

• Identify key performance bottlenecks in the development experience including the build system, IDE integrations, testing frameworks, and pull request workflows.

• Help define the scope and the priorities of the team by identifying opportunities to decrease build times, reduce system complexity, and improve the developer experience

• Optimize the performance, reliability, and usability of our CI pipeline

• Own the success of your team's projects, and deliver quantifiable results on schedule.

Qualifications

You have:

• 5+ years of software development experience

• BA/BS degree or equivalent practical, working experience

• Familiarity with build systems (e.g. Ant, Maven, Buck, Gradle, Pants) and CI tools (e.g. Circle, Travis, Jenkins)

• Experience with supporting build or CI systems infrastructure (ideally at scale)

• Excellent software engineering aptitude and the ability to provide technical mentorship and guidance

• Experience building apps for Android in Java / Kotlin

Additional Information

Block takes a market-based approach to pay, and pay may vary depending on your location. U.S locations are categorized into one of four zones based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future.

Zone A: USD $180,000 - USD $225,000

Zone B: USD $171,000 - USD $213,800

Zone C: USD $162,000 - USD $202,500

Zone D: USD $153,000 - USD $191,300

To find a location’s zone designation, please refer to this resource . If a location of interest is not listed, please speak with a recruiter for additional information.

Full-time employee benefits include the following:

• Healthcare coverage (Medical, Vision and Dental insurance)
• Health Savings Account and Flexible Spending Account
• Retirement Plans including company match
• Employee Stock Purchase Program
• Wellness programs, including access to mental health, 1:1 financial planners, and a monthly wellness allowance
• Paid parental and caregiving leave
• Paid time off (including 12 paid holidays)
• Paid sick leave (1 hour per 26 hours worked (max 80 hours per calendar year to the extent legally permissible) for non-exempt employees and covered by our Flexible Time Off policy for exempt employees)
• Learning and Development resources
• Paid Life insurance, AD&D, and disability benefits

These benefits are further detailed in Block's policies. This role is also eligible to participate in Block's equity plan subject to the terms of the applicable plans and policies, and may be eligible for a sign-on bonus. Sales roles may be eligible to participate in a commission plan subject to the terms of the applicable plans and policies. Pay and benefits are subject to change at any time, consistent with the terms of any applicable compensation or benefit plans.

US and Canada EEOC Statement

We’re working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, without regard to race, color, religion, gender, national origin, age, disability, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.

We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we’re doing to build a workplace that is fair and square? Check out our I+D page .

Additionally, we consider qualified applicants with criminal histories for employment on our team, and always assess candidates on an individualized basis.

We’ve noticed a rise in recruiting impersonations across the industry, where individuals are sending fake job offer emails.Contact from any of our recruiters or employees will always come from an email address ending with@block.xyz ,@squareup.com , @tidal.com , ,@clearpay.co.uk .

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.

While there is no specific deadline to apply for this role, on average, U.S. open roles are posted for 70 days before being filled by a successful candidate.

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Senior Software Engineer, iOS Mobile Application Developer

Join RadioMobile, Inc. as a Senior iOS Software Engineer, where you'll develop critical public safety applications used by first responders. Your role involves designing, building, maintaining, and testing iOS apps, collaborating with backend teams, and ensuring high-quality deployment and performance. Requirements include a degree in computer science or engineering, 5+ years of experience, proficiency in Swift, UIKit, and familiarity with GIS, networking, and cloud deployment. The position requires onsite work at least 60%, with responsibilities spanning from development to team coordination in a safety-critical environment.

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Company Description

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams — People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more — provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture new initiatives, and more. Every challenge creates possibilities, and we need different perspectives to see them all. Bring yours to Block.

Job Description

Android Developer Experience is responsible for building and providing all necessary infrastructure and tools to ensure Square’s Android development can continue to be fast and efficient at scale. We're looking for folks who are excited to problem solve and find solutions that empower hundreds of mobile developers to move more quickly than our competitors.

Engineering efficiency is particularly important for Square’s ability to continuously ship high quality software, so we strive to ensure our development tools enable developers to ship their features with speed and confidence. This is a high force multiplier, cross-functional team aiming to enhance the development experience for all mobile developers within Square.

You will be part of the team responsible for owning the entire development stack (build system, build tools) and integration with CI. You will improve the development process to allow our engineers to ship as quickly and effortlessly as possible. You’ll be working primarily on the Android platform infrastructure focused on our largest scaling codebase, Square’s Point of Sale applications, but we expect the results of the team’s work to be applicable to other Square applications.

What you will do:

• Innovate to amplify the efficiency of our mobile developers to develop, build, test, and release high quality apps to our merchants.

• Identify key performance bottlenecks in the development experience including the build system, IDE integrations, testing frameworks, and pull request workflows.

• Help define the scope and the priorities of the team by identifying opportunities to decrease build times, reduce system complexity, and improve the developer experience

• Optimize the performance, reliability, and usability of our CI pipeline

• Own the success of your team's projects, and deliver quantifiable results on schedule.

Qualifications

You have:

• BA/BS degree or equivalent practical, working experience

• Familiarity with build systems (e.g. Ant, Maven, Buck, Gradle, Pants) and CI tools (e.g. Circle, Travis, Jenkins)

• Experience with supporting build or CI systems infrastructure (ideally at scale)

• Excellent software engineering aptitude and the ability to provide technical mentorship and guidance

• Experience building apps for Android in Java / Kotlin

Additional Information

Block takes a market-based approach to pay, and pay may vary depending on your location. U.S locations are categorized into one of four zones based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future.

Zone A: USD $148,700 - USD $185,900
Zone B: USD $141,300 - USD $176,600
Zone C: USD $133,800 - USD $167,300
Zone D: USD $126,400 - USD $158,000

To find a location’s zone designation, please refer to this resource . If a location of interest is not listed, please speak with a recruiter for additional information.

Full-time employee benefits include the following:

• Healthcare coverage (Medical, Vision and Dental insurance)
• Health Savings Account and Flexible Spending Account
• Retirement Plans including company match
• Employee Stock Purchase Program
• Wellness programs, including access to mental health, 1:1 financial planners, and a monthly wellness allowance
• Paid parental and caregiving leave
• Paid time off (including 12 paid holidays)
• Paid sick leave (1 hour per 26 hours worked (max 80 hours per calendar year to the extent legally permissible) for non-exempt employees and covered by our Flexible Time Off policy for exempt employees)
• Learning and Development resources
• Paid Life insurance, AD&D, and disability benefits

These benefits are further detailed in Block's policies. This role is also eligible to participate in Block's equity plan subject to the terms of the applicable plans and policies, and may be eligible for a sign-on bonus. Sales roles may be eligible to participate in a commission plan subject to the terms of the applicable plans and policies. Pay and benefits are subject to change at any time, consistent with the terms of any applicable compensation or benefit plans.

US and Canada EEOC Statement

We’re working to build a more inclusive economy where our customers have equal access to opportunity, and we strive to live by these same values in building our workplace. Block is a proud equal opportunity employer. We work hard to evaluate all employees and job applicants consistently, without regard to race, color, religion, gender, national origin, age, disability, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.

We believe in being fair, and are committed to an inclusive interview experience, including providing reasonable accommodations to disabled applicants throughout the recruitment process. We encourage applicants to share any needed accommodations with their recruiter, who will treat these requests as confidentially as possible. Want to learn more about what we’re doing to build a workplace that is fair and square? Check out our I+D page .

Additionally, we consider qualified applicants with criminal histories for employment on our team, and always assess candidates on an individualized basis.

We’ve noticed a rise in recruiting impersonations across the industry, where individuals are sending fake job offer emails.Contact from any of our recruiters or employees will always come from an email address ending with@block.xyz ,@squareup.com , @tidal.com , ,@clearpay.co.uk .

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.

While there is no specific deadline to apply for this role, on average, U.S. open roles are posted for 70 days before being filled by a successful candidate.

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Senior Software Engineer, iOS Mobile Application Developer

San Diego, CA

Description

Join as a Senior iOS Software Engineer, where you'll develop critical public safety applications used by first responders. Your role involves designing, building, maintaining, and testing iOS apps, collaborating with backend teams, and ensuring high‑quality deployment and performance.

Responsibilities

• Develop critical public safety applications for first responders.
• Design, build, maintain, and test iOS applications.
• Collaborate with backend teams to integrate services.
• Ensure high‑quality deployment and performance.
• Coordinate team activities within a safety‑critical environment.

Qualifications

• Degree in computer science or engineering.
• 5+ years of experience in iOS development.
• Proficiency in Swift and UIKit.
• Familiarity with GIS, networking, and cloud deployment.
• Onsite work at least 60% of the time.

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