Full Stack Java Developer

Company Description Kepler 22 LLC delivers specialized IT staffing and recruiting solutions that help organizations address complex technology talent needs. The company provides comprehensive IT talent services, including contract staffing, direct placement, and staff augmentation across application development, infrastructure, and business process outsourcing. Kepler 22 connects professionals with diverse consulting and permanent roles, offering personalized guidance and support for long-term career growth. With a focus on transparency, accountability, and measurable results, the firm works to align top technical talent with business goals. Kepler 22 is committed to building strong, sustainable teams that drive innovation and business success for both clients and professionals.

Role Description This is a full-time, on-site Full Stack Java Developer role based in New York, NY. The Full Stack Java Developer will design, develop, and maintain end-to-end web applications, working across both front-end and back-end layers. Responsibilities include implementing robust Java-based services and APIs, building responsive user interfaces, and integrating front-end components with server-side logic. The role involves collaborating with product owners, designers, and other engineers to refine requirements, estimate work, and deliver high-quality features on schedule. The developer will write clean, testable code, participate in code reviews, troubleshoot production issues, and contribute to performance optimization and security best practices.

Qualifications

• Strong software development foundation, including experience with Java and Full-Stack Development, and familiarity with Software Development life cycle practices (0-3) years
• Hands-on Back-End Web Development experience, including building RESTful services, working with databases, and integrating third-party APIs.
• Front-End Development skills, including responsive UI implementation and proficiency with HTML, JavaScript, and Cascading Style Sheets (CSS).
• Proven ability to work across the full stack, from database and server-side logic to user interface, ensuring seamless integration and performance.
• Experience with version control systems (e.g., Git) and collaborative development workflows.
• Familiarity with modern frameworks or libraries on both the front end and back end (e.g., React, Angular, Spring, Spring Boot) is highly beneficial.
• Knowledge of testing practices (unit, integration, and end-to-end testing) and CI/CD pipelines is a plus.
• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Strong problem-solving skills, clear communication, and ability to collaborate effectively in a team-oriented environment.