Java Full Stack Developer

Java Full Stack Developer

NYC, NY (Hybrid)

Sincera in house project

• 12+ years of experience in full stack development with strong proficiency across both frontend and backend technologies

• Strong proficiency in React with deep understanding of core concepts including component lifecycle, hooks, context API, state management, and modern frontend tooling

• Should have work experience in Nodejs, React, Type script skill set

• Solid experience with TypeScript including type systems, generics, interfaces, and advanced patterns

• Strong proficiency in Java with hands-on experience building production applications using NodeJs

• Good understanding in Spring boot framework

• In-depth experience with API design and integration — building RESTful APIs, integrating with multiple external systems, handling authentication protocols (OAuth, API keys, JWT), and managing data transformation across systems

• Experience building and maintaining microservices architectures with well-defined service contracts, inter-service communication, and API documentation

• Strong experience with SQL Server including complex queries, stored procedures, and performance optimization

• Hands-on experience leveraging AI agents (e.g., Claude Code, Cursor) in day-to-day development for coding, testing, and documentation

• Understanding of software design patterns, SOLID principles, and clean architecture practices