Java Developer with AWS Experience

At Staffworxs, we don't just connect talent — we power transformation. Headquartered in Frisco, TX, with teams in Bengaluru and Hyderabad, we combine global reach with deep expertise. Our Digital & Data Analytics practice drives growth and innovation for some of the world's top brands, who continue to retain us as their trusted partner. If you're ready to make an impact, you're in the right place.


Job Details:

Role: Java Developer with AWS Experience
Location: Berkley Heights NJ (5 days onsite)
Duration: long term Contract

Job Description :-
Design, develop, and optimize backend services for card payments and transaction systems, ensuring low latency, fault tolerance, and multi-region resiliency.

• Build high-throughput APIs and microservices using modern Java frameworks (Spring Boot, Reactor).
• Collaborate closely with product, architecture, and SRE teams to evolve Vision Next / VisionPLUS services for cloud-native, real-time scalability.
• Use AWS services (ECS, Lambda, RDS, ) to architect resilient, secure, and observable applications.
• Write efficient algorithms for transaction routing, settlement, reconciliation, or fraud-detection modules.
• Contribute to system design sessions and architecture decisions, applying deep reasoning to scalability trade-offs, consistency models, and data partitioning.
• Evaluate and optimize application throughput, concurrency handling, and API lifecycle management across multi-region clusters.
• Implement DevOps and CI/CD automation for build, test, and deployment pipelines (GitHub Actions, Jenkins, or CodePipeline).
• Mentor junior engineers, conduct code reviews, and drive engineering excellence through reusable design patterns.

Required Qualifications:-
Bachelor's or Master's degree in Computer Science or related field.

• 7+ years of backend engineering experience in payments, fintech, or high-transaction enterprise systems.
• Strong proficiency with Java / Spring Boot, data structures, algorithms, and system-level design principles.
• Solid understanding of AWS core services and architectural best practices for scalable distributed systems.
• Experience with multi-region, active-active, or near-real-time architectures for payment or settlement systems.
• Deep debugging, profiling, and performance optimization skills in concurrent, distributed environments.
• Strong analytical reasoning and data-driven problem-solving mindset.

Staffworxs is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive workplace for all employees, regardless of race, color, religion, gender, sexual orientation, national origin, age, disability, or veteran status.