What Java Jobs are in Boston?

This range is provided by Largeton Group. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

$60.00/yr - $65.00/yr

Location: Boston, MA - hybrid 3 days on site (Video then In-person Interview)

Duration: 12-18mth+

Must have:

• Strong knowledge of Object-Oriented Analysis and Design, Software Design Patterns and coding principles
• Hands-on experience in microservices architecture and development, databases such as Oracle MySQL, Sybase, PostgreSQL etc.
• 7 years or more experience in C/C++/Java, Go and Python*
• Preferred experience in ServiceMesh, Containers and Kubernetes technologies

We are seeking a highly skilled Senior Software Engineer with deep expertise in Java, Go, and Python to design and build scalable, high-performance applications in a microservices architecture. The ideal candidate will have strong object-oriented design skills, experience with distributed systems, and a proven ability to deliver cloud-native solutions leveraging modern frameworks and best practices.

• Design, develop, and maintain backend services using Java, Go, and Python.
• Implement microservices architecture and ensure scalability, reliability, and security.
• Build cloud-based applications leveraging AWS or Azure native services and open-source frameworks.
• Work with databases such as Oracle, MySQL, PostgreSQL, and Sybase for data modeling and optimization.
• Containerize applications and manage orchestration using Docker and Kubernetes; collaborate on Service Mesh adoption.
• Assess application performance and optimize through design improvements and best coding practices.
• Apply object-oriented analysis and design, software design patterns, and core algorithms.
• Collaborate with cross-functional teams using Agile methodologies throughout the software development lifecycle.

• 7+ years of experience in software development with strong proficiency in Java, Go, and Python.
• Hands-on experience with microservices architecture, containers, and Kubernetes.
• Strong knowledge of object-oriented design, data structures, and algorithms.
• Experience building scalable and highly available distributed systems.
• Proficiency with SQL and relational databases (Oracle, MySQL, PostgreSQL, Sybase).
• Familiarity with DevOps practices, CI/CD pipelines, and version control systems.

• Experience with Service Mesh technologies (e.g., Istio, Linkerd).
• Hands-on experience with AWS or Azure native services.
• Knowledge of cloud security best practices and compliance frameworks.
• Strong problem-solving skills and ability to optimize application performance.

Overview

Only Locals or relocation applicants from MA, NH, RI, CT, ME, VT are accepted.

• Design, develop, test, and deploy RESTful and SOAP APIs


• Build and maintain scalable, service-oriented and asynchronous applications


• Implement healthcare integrations using XML, Web Services, CCD/CCDA, CDR, and XDR


• Design and configure middleware routes, filters, and communication points


• Develop full-stack applications using Java, Node.js, MongoDB, Angular, HTML, and CSS


• Configure and manage applications using Spring Framework (Core, MVC, Boot, Security, JPA, Batch)


• Work with Elasticsearch, Logstash, Kibana (ELK) and NoSQL technologies


• Ensure code quality, maintain coding standards, and perform code reviews

Job Overview

Azure Cloud Architect – Java (Job ID: J52400). Location: Natick, MA. Duration: 24 months with the possibility of extension. Employment type: W-2, 1099, or C2C. Hourly rate: DOE. Work authorization required: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, L2-EAD, GC-EAD. Client: To be discussed later.

• Lead re-architecting of monolithic applications into micro‑services architecture.
• Design and implement containerized solutions using Docker and Azure Kubernetes Service (AKS).
• Develop and manage micro‑services using Java and Spring Boot.
• Collaborate with cloud and integration teams to design API management using Azure API Management.
• Implement integration solutions using Kafka or Azure Event Grid.
• Leverage database systems, serverless computing, and Azure DevOps pipelines to deliver secure, scalable cloud solutions.

• 15+ years of IT experience, including 5‑7 years of architecting cloud solutions on Azure.
• Solid experience as a Technical Architect, leading re‑architecture projects.
• Strong knowledge of micro‑services patterns, principles, and best practices.
• Proficiency in containerization with Docker and orchestration with Kubernetes.
• Hands‑on experience with Azure cloud platform: AKS, API Management, DevOps, and related services.
• Proficient in Java development with Spring Boot framework.
• Strong understanding of J2EE technologies and frameworks.
• Experience with database systems, serverless computing, and modernizing brown‑field solutions.

MACHINE LEARNING TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans. Hiring, promotion, compensation, and other employment decisions are made without regard to any protected status and comply with applicable laws. (M/F/D/V).

Primary Responsibilities

• Design, develop, and maintain enterprise‑grade Java applications using Java/J2EE technologies.
• Develop scalable web applications using Spring Framework, Spring MVC, and ORM frameworks such as Hibernate or MyBatis.
• Build and integrate RESTful APIs and web services.
• Develop responsive front‑end components using JavaScript, JSP, HTML, CSS, and jQuery.
• Design, optimize, and maintain relational database schemas, queries, and stored procedures.
• Work with NoSQL databases to support scalable and high‑volume applications.
• Develop cloud‑native solutions leveraging AWS services such as EC2, S3, and Kubernetes.
• Implement multithreaded applications using Java concurrency libraries, including the Executor Framework.
• Participate in code reviews, performance tuning, and application optimization.
• Build and maintain CI/CD pipelines using Jenkins and Maven.
• Collaborate with cross‑functional teams throughout the software development lifecycle.
• Troubleshoot production issues and implement effective solutions.

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• 7+ years of hands‑on experience in Java/J2EE application development.
• Strong experience with Java, Spring Framework, Spring MVC, Hibernate, or MyBatis.
• Proficiency in JavaScript, JSP, HTML, CSS, and jQuery.
• Experience developing and consuming RESTful web services.
• Strong knowledge of AWS services, including EC2, S3, and Kubernetes.
• Experience with relational databases such as MySQL, PostgreSQL, or DB2, including complex SQL query development and database performance optimization.
• Experience with NoSQL databases such as DynamoDB, DocumentDB, or MongoDB.
• Solid understanding of SQL database design and data modeling.
• Knowledge of XML, JSON, and AJAX technologies.
• Experience implementing multithreading using Java concurrency libraries, particularly the Executor Framework.
• Experience with CI/CD pipelines, Jenkins, and Maven.
• Strong analytical, debugging, and problem‑solving skills.
• Excellent communication and teamwork abilities.

• Experience with containerized application deployment and microservices architecture.
• Familiarity with Agile/Scrum development methodologies.
• Experience with application performance tuning and cloud‑native application development.

Cognizant’s Digital Engineering practice is seeking a highly qualified Senior Java Full Stack Developer – Python & Angular (Hybrid) with 7+ years of experience to develop and build high-performing, scalable, enterprise applications in a hybrid Westborough, MA setting.

You will work with product managers, designers, and clients to deliver valuable software, participate in Agile ceremonies, and contribute to code reviews, testing, and deployment while focusing on quality and maintainability.

Sr. Java Developer with Insurance Experience – Boston, MA – Salary: $198,000.00–$286,000.00

• Participate as part of a team designing, developing, implementing, and supporting web-based insurance applications.
• Develop robust business applications to facilitate insurance product sales, customer interactions, and agent communications.
• Collaborate with Business Analysts to understand requirements and translate them into technical designs.
• Write and maintain source code for Java/J2EE-based applications.
• Develop unit test cases and support functional/system integration testing and deployment activities.
• Integrate component designs and ensure seamless operation within the application ecosystem.
• Provide production support and ensure adherence to development schedules.
• Stay updated on internet trends, technologies, and industry best practices.
• Demonstrate strong problem-solving, workflow analysis, and interpersonal skills.
• Provide technical direction to others and promote teamwork across different departments.
• Contribute actively to hands-on development activities.

• 7+ years of experience in JAVA/J2EE, Object Oriented Programming, Design Patterns, XML, DB2, and SQL.
• Proficient in design skills (e.g., class, sequence, and activity diagrams).
• Experience with SOAP and REST web services development.
• Desirable: Knowledge of P&C Insurance industry, WebSphere, JBOSS, ESB (Mule), Drools, JUnit, Hibernate/MyBatis, Spring, Web Services, Unix Shell Scripting.
• Preferred: Front-end/UI development experience, especially with AngularJS.
• Understanding of IT concepts, strategies, methodologies, and diverse technologies.
• Familiarity with layered systems architectures and solutions.
• Excellent oral and written communication and presentation skills.
• Strong work ethics and ability to work onsite 4 days a week in Boston, MA.

• Seniority level: Mid-Senior level
• Employment type: Full-time
• Job function: Engineering and Information Technology
• Industries: Information Services

Join to apply for the Java Fullstack Developer role at Technomax .

Be among the first 25 applicants.

Boston, MA

• Strong core Java fundamentals including multi-threading and data structures
• React.js

Technomax is a fast-growing technology consulting company headquartered in Princeton, NJ.

Our client is looking for a Java Developer to support a front‑office trade and risk system.

• Independently develop and maintain software applications.
• Work on complex analytical and programming tasks.
• Lead development and maintenance efforts supporting software application.
• May function as a Project Manager on smaller projects.

• 10+ years of experience.
• Experience working on core financial platforms, implementing front‑office trading functionality, calculating business matrices, equities trading, executing trades, and calculating P&L.
• Strong core Java fundamentals including multi-threading and data structures.
• React.js experience.
• Bachelor’s Degree in Computer Science or related field.
• Experience in real‑time financial applications with immediate report generation.

Job Type: Full‑time, Contract.

Duration: 6 months.

Number of Open Positions: 1.

Seniority level: Mid‑Senior level.

Employment type: Full‑time.

Job function: Engineering and Information Technology.

Referrals increase your chances of interviewing at Technomax by 2x.

Interra Health is a fast-growing healthcare technology company transforming how providers and patients navigate the prescription journey. Formed through the merger of DoseSpot, Arrive Health, and pVerify, Interra Health delivers trusted eligibility, real-time coverage and pricing insights, prescribing tools, and pharmacy transparency at the point of care—helping providers make informed decisions and patients access the right medications with greater clarity and affordability. Backed by strong market momentum and a bold vision for the future of connected care, Interra Health offers the chance to join an innovative, mission-driven team working at the intersection of software and healthcare to reduce friction, improve access, and make the healthcare experience better for everyone.

As the Java Developer - Team Lead, you will play a pivotal role in leading a team of developers to design, develop, and deploy robust and efficient healthcare applications that help patients and healthcare providers. In addition to being hands‑on, this role requires strong leadership skills, technical expertise in full stack development, and the ability to collaborate effectively with cross‑functional teams. This is an exciting opportunity to join a collaborative team and work on a variety of projects that push the boundaries of technology.

• Lead a cross‑functional team of front‑end and back‑end developers, drive key initiatives, and ensure timely delivery of project commitments.
• Manage a team of developers, providing direction, coaching, and performance feedback to drive high‑quality outcomes.
• Balance hands‑on technical contributions with leadership responsibilities to ensure both team growth and project success.
• Architect and design scalable, maintainable, and high‑performance web and mobile applications.
• Work independently and research and solve complex technical problems.
• Write clean, well‑documented, and efficient code following best practices and coding standards.
• Conduct code reviews and provide constructive feedback to peers to ensure code quality and consistency.
• Optimize application performance and ensure scalability by implementing caching strategies and performance monitoring tools.
• Build reusable code and libraries for future use.
• Champion dependency injection, unit testing, and Generative AI tools.
• Learn new technological skills and drive continuous improvement initiatives to enhance development processes, tools, and methodologies.
• Demonstrate a positive attitude as a team player and passion to mentor junior developers.

• Bachelor’s degree in Computer Science or Software Engineering.
• 7+ years of strong technical experience in Java development, with 3+ years in a team leadership or technical management role.
• Deep knowledge of Java 8, 17, and 21, including Streams, Lambda Expressions, Functional Interfaces, Default and Static Methods, String Joiner, Optional, Memory changes, Joda Time API, Collection API.
• Strong proficiency in Spring 6, Spring Boot, WebFlux, Security, Actuator, JPA, JDBC.
• Experience with Microservices architecture, REST APIs, and API Gateway.
• Solid experience with MySQL, Redis Cache, JUnit, JWT, Maven, Log4J2, and SLF4J.
• Hands‑on experience with AWS (EC2, S3, Lambda, RDS) or other cloud platforms.
• Familiarity with cloud security, compliance, and healthcare regulatory standards (HIPAA, SOC 2).
• Proven ability to manage multiple initiatives, delegate effectively, and balance strategic and operational priorities.
• Ability to influence peers and senior stakeholders through clear communication and data‑driven recommendations.
• Strong communication and collaboration skills with the ability to partner across technical and non‑technical teams.
• Demonstrated ability to translate strategy into team objectives, track progress, and report on outcomes.
• Demonstrated experience leading teams in an Agile/Scrum environment, with a strong grasp of iterative development and continuous improvement practices.
• Proven experience managing, mentoring, and developing high‑performing engineering teams.
• Experience driving continuous improvement through new tools, processes, or methodologies.
• Healthcare experience is a plus.

Work from anywhere in US. We also provide a one‑time home office stipend to set up your workspace, plus a monthly Wi‑Fi reimbursement.

Flexible scheduling and core collaboration hours (10:00 AM – 3:00 PM ET), giving you space for both deep work and real life.

We invest in connection—join us for an annual offsite to collaborate, build relationships, and have some fun together.

Flexible PTO designed for real recharge, plus 17 company holidays, paid sick leave, and paid parental leave.

Choose from multiple medical plan options with significant company premium contributions, along with dental (including orthodontia) and vision coverage for you and your family.

Includes company contributions to HSA/FSA accounts (based on plan selection).

401(k) with company match to help you plan for the future.

Interrahealth is an Equal Employment Opportunity/Affirmative Action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, protected veteran status, disability status, sexual orientation, gender identity or expression, marital status, genetic information, or any other characteristic protected by law.

About the role

Cognizant’s Digital Engineering practice is seeking a highly qualified Senior Java Full Stack Developer – Python & Angular (Hybrid) with 7+ years of experience developing and building high-performing, scalable, enterprise applications. You will be part of a digital software team that works on high-demand applications. Our engineers have a passion for high-quality, reliable and maintainable code. You will work side by side with product managers, designers, and clients, making decisions together to quickly deliver valuable working software to clients and their users. Our engineers are agile and retrospective, and not afraid to identify what we’re doing wrong, so we can fix it, and what we’re doing right, so we can improve on it. Above all, we judge success by the success of our team and the happiness of our customers.

Cognizant Digital Engineering If you’re like us, you’ve got big ideas. At Cognizant, we’re exploring new ideas every day. We help industry leading companies reinvent their business models and innovate products that create new value—by connecting people with things, insights and experiences. Cognizant digital engineering designs, engineers and delivers digital products and experiences that drive digital-first business models. We offer the most comprehensive digital engineering expertise and client-centric methodology for sustainable innovation.

Location: Westborough, MA (Hybrid)

*You must be legally authorized to work in the USA without the need for employer sponsorship, now or at any time in the future*

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 3 days a week in a client or Cognizant office in Westborough, MA . Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

• Gather, analyze, and document business and technical requirements.
• Translate functional requirements into scalable technical designs with end-to-end traceability.
• Design, develop, and implement robust applications using modern development frameworks.
• Collaborate with product owners, stakeholders, and cross-functional teams to ensure alignment on deliverables.
• Identify opportunities for performance optimization and implement improvements across applications.
• Participate in code reviews, testing, and deployment to maintain high-quality standards.
• Support Agile development processes, including sprint planning, stand-ups, and retrospectives.

• Experience with AI-assisted development tools and modern coding practices.
• Strong expertise in Java-based workflow stacks and backend development.
• Proficiency in Angular for front-end development.
• Hands-on experience with Python for scripting, automation, or backend services.
• Solid knowledge of Oracle / PL/SQL and database design concepts.
• Strong understanding of object-oriented programming (OOP) principles.
• Experience in implementing test automation and adopting a shift-left testing mindset.
• Familiarity with DevOps practices and tools, including Git (branching, merging, pull requests).
• Experience working with Agile tools such as JIRA, Zephyr Scale, and Confluence.

The annual salary for this position is between $65,447 to $112,000 depending on experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

• Medical/Dental/Vision/Life Insurance
• Paid holidays plus Paid Time Off
• 401(k) plan and contributions
• Long-term/Short-term Disability
• Paid Parental Leave
• Employee Stock Purchase Plan

Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law