Sr Full Stack - Java API + React - New York

Photon•New York, NY

8h•$40,000 - $140,000•Onsite

About The Position

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.

Requirements

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.
Experience with Git, Maven/Gradle, and Agile development methodologies.

Nice To Haves

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.

Responsibilities

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.