Senior Java Backend Engineer

Job Title

Senior Java Backend Engineer

Location

Piscataway, NJ

Experience

12+ Years

Duration

Long Term

Note

~Local candidates from NJ only.

Key Responsibilities

• Design and develop scalable, high-performance backend systems
• Build and maintain RESTful APIs and microservices architecture
• Develop real-time data processing pipelines using Kafka or similar platforms
• Optimize system performance, scalability, and reliability
• Implement caching strategies and database optimizations
• Work on containerized environments (Docker/Kubernetes)

Required Skills

• 12+ years of strong experience in Java (Java 11+)
• Expertise in Spring Boot / Spring Framework
• Hands-on experience with REST APIs & Microservices
• Experience with Apache Kafka or similar streaming platforms
• Strong knowledge of multithreading, concurrency, and asynchronous programming
• Experience with relational databases (PostgreSQL / SQL Server) and SQL tuning
• Experience with distributed caching (Redis, GridGain, etc.)
• Hands-on with Docker and/or Kubernetes

Nice to Have

• Experience with columnar databases
• Strong background in performance tuning and system scalability