> Markdown version of [/jobs/ext/2707348-java-fullstack-developer](https://www.wearedevelopers.com/jobs/ext/2707348-java-fullstack-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java FullStack Developer - **Company:** CYNET SYSTEMS INC. - **Location:** Quincy, MA, United States - **Experience:** Expert - **Salary:** $95,680.0 - $106,080.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Artificial Intelligence, Application Performance Management, Unit Testing, Cloud Computing, Cloud Engineering, Databases, Continuous Integration, Software Debugging, Programming Tools, Junit, PostgreSQL, Microsoft SQL Server, MySQL, NoSQL, Oracle (Applications), Mockito, Standard Sql, Software Engineering, Software Systems, SQL Databases, RxJS, Enterprise Software Applications, GitHub Copilot, Spring-boot, Git, Event Driven Architecture, AngularJS, Apache Kafka, Front End Software Development, Restful APIs, Optimizely, Docker, Microservices - **Published:** September 4, 2026 - **Apply:** https://www.careerjet.com/jobad/us3d0f145400d049773980da951fa5b458 ## About the Role Requirement/Must Have: * 8+ years of hands-on Java development experience (Java 21+ preferred). * Strong experience with Spring Boot and Microservices. * Frontend development using Angular 19+ and RxJS. * Experience with Docker and cloud-native application development. * Expertise in Kafka, MQ, and event-driven systems. * Strong SQL and database experience (Oracle, SQL Server, MySQL, PostgreSQL). * Experience with AI-powered development tools such as GitHub Copilot or Windsurf. * Proficiency with Git and Agile development methodologies., * CI/CD pipeline experience. * Unit testing frameworks such as JUnit and Mockito. * Strong problem-solving and debugging skills. Skills: * Java. * Spring. * MQ. * Kafka. * Microservices. * Angular. * NoSQL. * Docker. * RxJS. * SQL. * GitHub Copilot. * Windsurf. * Git. * Agile., Full Stack Developer with Optimizely Any visa works The most important requirement is experience working with Optimizely as a CMS, working with it in the frontend Fullstack E… + 1 day ago ## Description * Design, develop, and support Java-based enterprise applications. * Build and maintain RESTful APIs and microservices using Spring Boot. * Develop modern UI solutions using Angular. * Implement containerized applications using Docker in cloud-native environments. * Work with Kafka and MQ for event-driven architectures. * Collaborate with cross-functional teams to deliver high-quality software solutions. * Optimize application performance, scalability, and security. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [How to Create New RxJS Operators](https://www.wearedevelopers.com/videos/683-how-to-create-new-rxjs-operators) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Quarkus. A Bliss for developers](https://www.wearedevelopers.com/videos/385-quarkus-a-bliss-for-developers) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Test-Driven Development: It's easier than you think!](https://www.wearedevelopers.com/videos/1598-test-driven-development-it-s-easier-than-you-think) ## Related Articles - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)