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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr Full Stack - Java API + React - New York - **Company:** PHOTON, LLC - **Location:** New York, NY, United States - **Experience:** Expert - **Salary:** $40,000.0 - $140,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Spring Security, Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Application Performance Management, HTML5, User Authentication, Microsoft Azure, Cascading Style Sheets (CSS), Code Review, Continuous Integration, Relational Databases, DevOps, Github, Gradle, Design of User Interfaces, Java Persistence API, Junit, PostgreSQL, Apache Maven, Enterprise Messaging Systems, MongoDB, MySQL, NoSQL, OAuth, Oracle (Applications), Performance Tuning, RabbitMQ, E2e Testing, Openid Connect, Mockito, Blockchain, Prometheus, Swagger, JSON Web Token, Responsive Web Design, Software Deployment, Software Engineering, TypeScript, Openapi, Enterprise Software Applications, Spring-mvc, ReactJS, Grafana, Spring-boot, Backend, Git, Event Driven Architecture, Containerization, Gitlab-ci, Kubernetes, Information Technology, Performance Monitor, Apache Kafka, Build Tools, Graphql, Front End Software Development, React Redux, React Testing Library, Restful APIs, Es2015, Software Version Control, Devsecops, Docker, Elk Stack, Jenkins, Web Api, Microservices - **Published:** July 26, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=725ff76cc824813b ## About the Role * Bachelor's degree in Computer Science, Engineering, or a related field. * 5-8+ years of experience in full-stack application development. * Strong proficiency in Java (11/17) and Spring Boot. * Extensive experience designing and developing RESTful APIs and microservices. * Strong hands-on experience with React.js and modern JavaScript (ES6+) or TypeScript. * Experience with Redux, Context API, or other state management libraries. * Strong knowledge of HTML5, CSS3, responsive design, and UI development best practices. * Experience with relational databases such as PostgreSQL, MySQL, or Oracle. * Familiarity with NoSQL databases such as MongoDB is a plus. * Experience with Git, Maven/Gradle, and Agile development methodologies. Preferred Qualifications * Experience with cloud platforms such as AWS, Azure, or GCP. * Familiarity with Docker, Kubernetes, and containerized deployments. * Experience with CI/CD tools such as Jenkins, GitHub Actions, GitLab CI, or Azure DevOps. * Knowledge of messaging platforms such as Kafka or RabbitMQ. * Experience with GraphQL is a plus. * Familiarity with authentication and authorization using OAuth2, JWT, and OpenID Connect. * Exposure to performance monitoring and observability tools such as Grafana, Prometheus, or ELK Stack. Technical Skills * Backend: Java 11/17, Spring Boot, Spring MVC, Spring Security, Spring Data JPA * Frontend: React.js, JavaScript (ES6+), TypeScript, Redux, HTML5, CSS3 * API Technologies: REST, OpenAPI/Swagger, GraphQL (optional) * Databases: PostgreSQL, MySQL, Oracle, MongoDB * Messaging: Apache Kafka, RabbitMQ * Testing: JUnit, Mockito, React Testing Library, Jest, REST Assured * Build Tools: Maven, Gradle * CI/CD: Jenkins, GitHub Actions, GitLab CI, Azure DevOps * Containers: Docker, Kubernetes * Version Control: Git Nice-to-Have * Experience in fintech, healthcare, blockchain, or enterprise SaaS applications. * Understanding of microservices architecture and event-driven systems. * Experience with performance tuning, security best practices, and accessibility standards. * AWS, Azure, Java, or React certifications. ## Description We are seeking a Senior Full Stack Developer with strong expertise in Java backend development and React frontend development. The ideal candidate will be responsible for designing, developing, and maintaining scalable, secure, and high-performance web applications using modern technologies and best practices. This role requires close collaboration with product managers, UX designers, QA, and DevOps teams to deliver enterprise-grade solutions., * Design, develop, and maintain full-stack web applications using Java, Spring Boot, and React. * Build scalable RESTful APIs and microservices for enterprise applications. * Develop responsive, reusable, and user-friendly interfaces using React, JavaScript/TypeScript, HTML5, and CSS3. * Collaborate with product, UX/UI, QA, and DevOps teams throughout the software development lifecycle. * Integrate frontend applications with backend APIs and third-party services. * Optimize application performance, scalability, security, and responsiveness. * Write clean, maintainable, and well-documented code following coding standards and best practices. * Develop unit, integration, and end-to-end tests to ensure application quality. * Participate in code reviews, architecture discussions, and technical design sessions. * Troubleshoot production issues and support application deployments. * Contribute to CI/CD automation and DevSecOps practices. ## 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 Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [The Best JavaScript Framework to Learn](https://www.wearedevelopers.com/magazine/229-the-best-javascript-framework-to-learn)