1991 Software Developers jobs in Walnut Creek

• Java & ReactJS engineers that are seasoned technical leaders who are familiar with Java 21, Spring Boot, NextJS, Docker, Azure Kubernetes, Github Actions, and PostgreSQL databases.
• The engineering leader should also be familiar with utilizing AI agents and building MCPs for software development and operations.
• The engineer should be capable of producing quality code as an independent contributor.
• Soft skills to guide and lead technical teams, own administrative tasks, and also be an independent contributor to code.
• Proficiency in Java, along with strong object-oriented programming (OOP) skills and exception handling.
• Experience with the Spring Boot framework, web technologies is required.
• Proficiency in using Git, GitHub, and GitHub Actions for version control and CI/CD is necessary.
• Knowledge of PostgreSQL databases and experience with Apache Kafka are important.
• Developing and maintaining REST APIs is a key responsibility.
• This role involves leveraging these skills to build, optimize, and maintain robust and scalable backend systems.
• Proficiency in Java, Object-Oriented-Programming, Microservices, RESTful APIs, event-driven architecture (Bonus) Proficiency in front-end technologies (e.g., HTML, CSS, JavaScript)
• Experience with Spring Boot 3.X, RabbitMQ, Apache Kafka.
• Comprehensive knowledge of various software languages and platforms such as Java Spring Boot, PostgreSQL, and public cloud (Azure / OCI)
• Experience with Docker, Kubernetes (AKS), GitHub, GitHub Actions
• Experience with alerting mechanisms using New Relic & Google Cloud Logging
• Expert in Software Delivery Lifecycle using Agile methodologies, industry best practices, and security compliance - such as PCI/PII/SOX.

Company Description

Join us and make YOUR mark on the World!

Are you interested in joining some of the brightest talent in the world to strengthen the United States' security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place.

We are dedicated to fostering a culture that values individuals, talents, partnerships, ideas, experiences, and different perspectives, recognizing their importance to the continued success of the Laboratory's mission.

Pay Range

$140,700 - $178,392 Annually

This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting; pay will not be below any applicable local minimum wage. An employee's position within the salary range will be based on several factors including, but not limited to, specific competencies, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.

We have an opening for a Full Stack Developer to contribute to the design, development, and support of LLNL's Enterprise Search and LivChat platforms. This position is in the Digital Experience and Search group within the Information Technology Solutions Division within the Computing Directorate in support of the LivIT program.

This position offers a hybrid schedule, blending in-person and virtual presence. You will have the flexibility to work from home one or more days per week.

You will

• Provide software application engineering and maintenance for all phases of the software development lifecycle, including analysis, design, implementation, automated testing and support. This includes both frontend and backend development for all aspects of our search and LivChat environments.
• LeverageElasticsearch, Java, Angular, TypeScript, Node.js, python and other technologies in the support of various facets ofthe Lab's enterprise search and LivChat applications including crawling, indexing, query tuning, report building, and updating the search APIs and User Interfaces.
• Create and update CI/CD pipelines to build and test new features and applications.
• Deploy software following an agile design methodology to be secure, free of vulnerabilities, and componentized for ease of maintenance.
• Provide analysis and innovative methods to enhance and extend the product services to customers.
• Provide knowledge sharing with team members and/or mentoring in application design and business processes.
• Perform other duties as assigned.

• Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
• Bachelor's degree in a computer or engineering related field, or the equivalent combination of education and related experience.
• Broad experience with DML and/or DDL as they relate to one or more relational database management systems (e.g., Oracle, MySQL).
• In-depth knowledge of current trends and best practices in web architecture and design in one or more of the following areas: performance, accessibility, UI/UX design, prototyping, scalability, compliance, and/or usability.
• Broad experience with ML models in the areas of text and image analysis.
• Experience with software development lifecycle, version controls and issue tracking tools.
• Ability to own projects from beginning to end. This covers research, technical design, and working with others to develop needed components. Able to effectively manage concurrent technical tasks with competing priorities, approach difficult problems with enthusiasm and creativity and ability to change focus when necessary.
• Proficient verbal and written communication skills necessary to effectively collaborate in a team environment and present and explain technical information and provide advice to management.

Qualifications We Desire

• Significant experience developing and optimizing data processing workflows-including chunking, indexing, ingestion, and vectorization-for text and/or non-text data.
• Experience implementing and maintaining auto-tagging systems and data/or preparation processes to enhance Retrieval-Augmented Generation (RAG) effectiveness and support accurate, context-aware responses in GenAI applications.
• Proficient in leveraging advanced prompting techniques to develop, test, and optimize prompts for large language models (LLMs), ensuring high model performance, response quality, and accuracy across various use cases.

#LI-Hybrid

Position Information

This is a Career Indefinite position, open to Lab employees and external candidates.

Why Lawrence Livermore National Laboratory?

• Included in 2025 Best Places to Work by Glassdoor!
• FlexibleBenefits Package
• 401(k)
• Relocation Assistance
• Education Reimbursement Program
• Flexible schedules (*depending on project needs)
• Our values - visit

Security Clearance

This position requires a Department of Energy (DOE) Q-level clearance.If you are selected, wewill initiate a Federal background investigation to determine if youmeet eligibility requirements for access to classified information or matter. Also, all L or Q cleared employees are subject to random drug testing. Q-level clearance requires U.S. citizenship.

Pre-Employment Drug Test

External applicant(s) selected for this position must pass a post-offer, pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.

Wireless and Medical Devices

Per the Department of Energy (DOE), Lawrence Livermore National Laboratory must meet certain restrictions with the useand/or possession ofmobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area whereyou are not permitted to have a personal and/or laboratory mobile devicein your possession. This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices.

Ifyou useamedical device, whichpairs with a mobile device,you must still follow the rules concerningthe mobile device in individual sections within Limited Areas. Sensitive Compartmented Information Facilities requireseparate approval. Hearing aids without wireless capabilities or wireless that has been disabled are allowed in Limited Areas, Secure Space and Transit/Buffer Space within buildings.

How to identify fake job advertisements

Please be aware of recruitment scams where people or entities are misusing the name of Lawrence Livermore National Laboratory (LLNL) to post fake job advertisements. LLNL never extends an offer without a personal interview and will never charge a fee for joining our company. All current job openings are displayed on the Career Page under "Find Your Job" of our website. If you have encountered a job posting or have been approached with a job offer that you suspect may be fraudulent, we strongly recommend you do not respond.

To learn more about recruitment scams:

Equal Employment Opportunity

We are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.

Reasonable Accommodation

Our goal is to create an accessible and inclusive experience for all candidates applying and interviewing at the Laboratory. If you need a reasonable accommodation during the application or the recruiting process, please use our online form to submit a request.

CaliforniaPrivacy Notice

The California Consumer Privacy Act (CCPA) grants privacy rights to all California residents. The law also entitlesjob applicants, employees, and non-employee workers to be notified of what personal information LLNL collects and for what purpose. The Employee Privacy Notice can be accessed here.

Saxon Global is one of the fastest-growing Inc 500 Companies in the US, providing enhanced IT consulting and engineering solutions for the past 16 years. Saxon Global specializes in Business Intelligence, Mobility, Big Data & Cloud, offering IT tools and services to organizations across various industry verticals such as Financial Services, Retail, Telecom, Healthcare, Banking, and Media & Entertainment.

We are looking for a senior technical resource responsible for owning the design, development, and testing of components to ensure alignment with functional specifications.

The candidate will lead deployment activities using configuration management and automation tools for JavaScript/Java code.

Responsibilities include applying architectural frameworks to define and evaluate application architectures, performing code reviews, and suggesting improvements.

Extensive experience with AngularJS practices, reusable modules, and components is required.

The candidate should have a deep understanding of web technologies, including HTML, JavaScript, and AngularJS, and experience integrating web applications with RESTful APIs.

• 9+ years of experience in developing enterprise web and mobile applications within an Agile environment.
• Hands-on expertise in AngularJS, Node.js, DevOps, and Java.
• Ability to lead projects and contribute actively to development tasks.
• Availability to start immediately at the Pleasanton office.

All candidate information will be kept confidential in accordance with EEO guidelines.

Dapi is a fin-tech infrastructure that enables real-time bank payments with the use of our API. We enable cheap electronic payments in the US and beyond, thus disintermediating current payment processing platforms.

We are looking to hire a passionate full-stack engineer who can contribute to the design, development, maintenance and implementation of our API services. You will be joining our talented team of engineers whilst working alongside our designers and product managers. Your primary focus will be developing, maintaining and supporting our novel in-house scraping automation engine.

Our ideal candidate is one that can take up the challenge of maintaining Dapi's backend whilst contributing to the creation of new features on our existing system. As such, candidates who are independent, highly motivated and can react well under changing business requirements are an ideal match.

Responsibilities:

• Design, develop, maintain and implement features of our API services
• Develop maintain and provide support for our in-house scraping automation engine
• Collect, analyze and address technical and design requirements
• Help to create reusable code and libraries for future use
• Maintain and expand upon a large existent codebase
• Adapt well and react quickly to changing business requirements

Requirements:

• Minimum experience of 1 year in a software engineering role
• Advanced proficiency in any strongly typed language (such as C#, Java, C++, etc.)
• Comfortable with SQL and NoSQL databases
• Extremely good problem solving skills
• Knowledge of professional software engineering best practices via code reviews, building tools and documentation
• Ability to understand, contribute to and expand upon a complex existent codebase
• Excellent understanding of current web technologies and inner workings of frontend frameworks

Bonus:

• Proficiency in Golang and Typescript
• Experience using Puppeteer

• Write front-end and back-end code have a solid grasp of coding best practices

• Use a framework to create performant, reliable HTTP-based APIs (such as Laravel).

• Wire APIs to a modern front-end framework (we use Vue.js)

• Employ third-party libraries and SDKs to extend the capabilities of first-party applications.

• Write unit, integration, and end-to-end tests, and understand the importance of testing.

• Deploy, monitor, and troubleshoot your systems in staging and production environments.

• 3+ years of hands-on, production-level software development experience, preferably with some or all of our tech stack

• Experience with Flutter, and especially with Flutter bloc.

• Familiarity with git and understanding of the basics of CI/CD

• Good verbal and written communications skills

• A willingness to take initiative and ownership in a small-company environment

• The ability to work remotely in an efficient manner

• Healthcare or HealthTech industry experience is a plus, but not required

• Excellent compensation including competitive salary + bonus

• 401(k) account with contribution matching

• Gym membership stipend

• 15 vacation days, 5 sick days, and paid holidays annually

• Health, Dental, and Vision coverage for you and your family

• You understand team dynamics, stakeholder needs, and business context
• You've worked with tech teams-and maybe even dabbled in SQL, JIRA, or light coding
• You know how to solve problems, manage timelines, and think analytically

• Java Full Stack Development -Core Java, Spring Boot, REST APIs, Microservices, Git, and AWS
• DevOps and Cloud Engineering -CI/CD, Docker, Jenkins, Kubernetes, Infrastructure-as-Code, and cloud platforms
• Data Science and AI -Python, machine learning, NLP, model deployment, and tools like TensorFlow and SageMaker
• Data Analytics and Engineering -SQL, Power BI, Tableau, Snowflake, Databricks, Python ETL, and more

• QA Analyst → Java Developer
• Business Analyst → Data Scientist at a FinTech startup
• Project Manager → DevOps Engineer at a cloud-native company

• Entry-Level Software Programmers (Java/Python)
• Java Full Stack Developers
• Data Analysts & BI Engineers
• Data Scientists & ML Engineers

• Recent grads in CS, Engineering, Math, or Statistics
• Professionals seeking a career switch to tech
• Candidates with career gaps or lacking real-world experience
• Individuals looking to boost their skill portfolio for better job prospects

Job Description: Work Location: Pleasanton, CA
GAP Office Location: 4440 Rosewood Dr., Pleasanton, CA

Job Description:
Proficiency in Java, along with strong object-oriented programming (OOP) skills and exception handling.
Experience with the Spring Boot framework, web technologies is required.
Proficiency in using Git, GitHub, and GitHub Actions for version control and CI/CD is necessary.
Knowledge of MariaDB, AzureSQL, PostgreSQL databases and experience with Apache Kafka are important.
Developing and maintaining REST APIs is a key responsibility.
This role involves leveraging these skills to build, optimize, and maintain robust and scalable backend systems.
Proficiency in Java, Object-Oriented-Programing, Microservices, RESTful APIs, event-driven architecture.
(Bonus) Proficiency in front-end technologies (e.g., HTML, CSS, JavaScript)
Experience with SpringBoot 3.X, RabbitMQ, Apache Kafka.
Experience with executing major refactors such as migrating from SpringBoot 2.x to 3.x.
Comprehensive knowledge of various software languages and platforms such as Java Spring Boot, PostgreSQL, and public cloud (Azure / OCI)
Experience with Docker, Kubernetes (AKS), GitHub, GitHub Actions
Experience with alerting mechanisms using New Relic & Google Cloud Logging
Expert in Software Delivery Lifecycle using Agile methodologies, industry best practices, and security compliance such as PCI/PII/SOX.
Additional Regions:

About the job Full Stack Developer

Sparks Wiz Limited is an engineering consultancy firm seeking a Full Stack Developer to join our team.

If you are a passionate and skilled Full Stack Developer looking to contribute to exciting projects in an engineering consulting environment, we invite you to apply.

Note: This position is open to candidates within the United States.
Key Responsibilities:

1. Full Stack Development:
   
   
   • Develop and maintain both client-side and server-side applications, ensuring seamless integration between front-end and back-end components.
   • Design and implement user interfaces with modern web technologies, including HTML, CSS, and JavaScript frameworks (e.g., React, Angular, Vue.js).
   • Build and maintain server-side applications using languages and frameworks such as Node.js, Python (Django/Flask), Ruby on Rails, or Java (Spring Boot).
2. Database Management:
   
   
   • Design, implement, and optimize relational and non-relational databases (e.g., MySQL, PostgreSQL, MongoDB).
   • Develop and maintain data models, schemas, and query performance tuning.
3. API Development:
   
   
   • Create and manage RESTful and/or GraphQL APIs to facilitate communication between front-end and back-end services.
   • Ensure API security, performance, and documentation.
4. Collaboration and Communication:
   
   
   • Work closely with cross-functional teams including designers, engineers, and project managers to gather requirements and deliver solutions.
   • Participate in code reviews, provide constructive feedback, and ensure adherence to coding standards and best practices.
5. Testing and Quality Assurance:
   
   
   • Implement and maintain unit, integration, and end-to-end tests to ensure application stability and performance.
   • Troubleshoot and debug issues across the full stack, from user interface to server-side logic.
6. Deployment and Maintenance:
   
   
   • Deploy applications to production environments and manage continuous integration/continuous deployment (CI/CD) pipelines.
   • Monitor application performance and manage updates, patches, and bug fixes.
7. Documentation:
   
   
   • Document application code, architectural decisions, and API specifications to ensure clarity and maintainability.
   • Prepare user and technical documentation as needed.
8. Innovation and Improvement:
   
   
   • Stay current with emerging technologies and industry trends to continuously improve development practices and application performance.
   • Propose and implement new features or enhancements based on client feedback and business needs.

• Education: Bachelors degree in Computer Science, Engineering, or a related field, or equivalent experience.
• Experience: Proven experience in full stack development with a strong portfolio of web applications.
• Technical Skills:
  • Proficiency in front-end technologies (HTML, CSS, JavaScript, and frameworks like React, Angular, or Vue.js).
  • Experience with back-end technologies (Node.js, Python, Ruby, Java, etc.).
  • Familiarity with database systems (MySQL, PostgreSQL, MongoDB).
  • Understanding of version control systems (e.g., Git).
• Problem-Solving: Strong analytical and problem-solving skills with the ability to debug and optimize code.
• Communication: Excellent communication skills with the ability to work effectively in a remote or collaborative team environment.
• Organization: Strong organizational skills with attention to detail and the ability to manage multiple tasks and projects.

• Experience with cloud platforms (e.g., AWS, Azure, Google Cloud).
• Knowledge of containerization and orchestration tools (e.g., Docker, Kubernetes).
• Familiarity with agile development methodologies (e.g., Scrum, Kanban).

• Competitive salary and benefits package.
• Opportunities for professional development and career advancement.
• A collaborative and innovative work environment.
• Flexible work arrangements and a focus on work-life balance.

• Full-time

• $55.00 - $60.00 per hour

• 401(k)
• Dental insurance
• Health insurance
• Vision insurance
• Paid time off

• 8 hour shift
• Monday to Friday

• Remote

• 401(k)
• Dental insurance
• Health insurance
• Vision insurance
• Paid time off

About the job Full Stack Developer

Note: Strictly for candidates with the Unites States only.

Position Overview
We are seeking an enthusiastic and motivated Full Stack Developer to join our growing technology team at CiviTronix. As a Full Stack Developer, you will work on both front-end and back-end development of web applications that support the innovative engineering solutions we provide to our clients. This is a fantastic opportunity for someone looking to develop their skills in software development while contributing to high-impact projects that directly benefit communities and infrastructure.

In this role, you will collaborate with cross-functional teams including engineers, project managers, and business analysts to design and develop scalable, user-friendly applications that support our internal systems and client-facing platforms. You'll have the chance to work with a variety of technologies and gain hands-on experience in the full software development life cycle.

Key Responsibilities

• Front-End Development : Assist in the development and maintenance of user-facing applications using HTML, CSS, and JavaScript (React.js, Angular, or similar frameworks).
• Back-End Development : Work on server-side logic and database management using technologies like Node.js, Express, Python, or similar.
• Database Management : Design, develop, and optimize relational and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB).
• Collaborative Development : Work closely with other developers, engineers, and business analysts to integrate user needs into practical software solutions.
• Code Quality & Best Practices : Write clean, maintainable, and efficient code following industry best practices for version control (Git), code reviews, and testing.
• Testing & Debugging : Participate in the testing process, including unit testing, integration testing, and debugging to ensure software reliability and quality.
• Documentation : Maintain clear and comprehensive documentation for code, workflows, and development processes.
• Continuous Learning : Stay updated on emerging web development technologies and trends, proactively applying new tools and techniques to enhance development practices.

• Educational Background : A Bachelors degree in Computer Science, Engineering, Information Technology, or a related field is preferred, but not required. Equivalent practical experience will be considered.
• Technical Skills :
  • Proficiency in front-end web development technologies: HTML, CSS, JavaScript (React, Angular, or similar libraries/frameworks).
  • Experience with back-end technologies: Node.js, Express, Python, or similar.
  • Knowledge of relational and NoSQL databases (PostgreSQL, MySQL, MongoDB).
  • Familiarity with version control systems (Git, GitHub, GitLab).
  • Understanding of RESTful API design and integration.
  • Exposure to cloud technologies (AWS, Azure, or Google Cloud) is a plus.
• Problem-Solving : Strong analytical and problem-solving skills, with a keen attention to detail.
• Team Player : Excellent collaboration skills and ability to work in a fast-paced, team-oriented environment.
• Communication : Strong written and verbal communication skills, with the ability to clearly explain technical concepts to non-technical stakeholders.
• Passion for Learning : Eagerness to develop new technical skills and grow within the company.

• 401(k)
• 401(k) matching
• Health insurance
• Dental insurance
• Life insurance
• Paid time off

• 8 hour shift
• Monday to Friday

• 401(k)
• 401(k) matching
• Health insurance
• Dental insurance
• Life insurance
• Paid time off