Senior Java & Spring Boot Engineer — Microservices, AWS

Gain America Inc.; Jersey City (NJ); Hybrid; USD 110,000 - 160,000; Full time

Job summary

Gain America Inc. in Jersey City, NJ is seeking a Java / Spring Boot Engineer for contract and contract-to-hire engagements with enterprise clients.

You will design and scale distributed back-end services in Java for mission-critical platforms in financial services and beyond. The role emphasizes building resilient microservices with Spring Boot, designing event-driven pipelines with Kafka, deploying to AWS with containerized workloads, and improving performance, reliability, and observability

Qualifications

• 5+ years of hands-on Java development.
• Deep Spring / Spring Boot and microservices experience.
• Working knowledge of AWS and container orchestration.
• Experience with Kafka or comparable streaming platforms.

Responsibilities

• Build resilient microservices with Spring Boot and REST APIs.
• Design event-driven pipelines with Kafka and asynchronous messaging.
• Deploy and operate services on AWS with containerized workloads.
• Optimize performance, reliability, and observability of production systems.

Skills

Java

Spring Boot

Microservices

AWS

Kafka

REST APIs

Job description

Gain America Inc. in Jersey City, NJ is seeking a Java / Spring Boot Engineer for contract and contract-to-hire engagements with enterprise clients.

You will design and scale distributed back-end services in Java for mission-critical platforms in financial services and beyond. The role emphasizes building resilient microservices with Spring Boot, designing event-driven pipelines with Kafka, deploying to AWS with containerized workloads, and improving performance, reliability, and observability