Java Developer with AWS & Payments Cards Domain | Berkeley Heights, NJ (5 Days Onsite) | W2 Contract

Role: Java Developer with AWS & Payments Cards Domain Experience

Locations: Berkeley Heights, NJ (5 Days Onsite)

Duration: Long term

Employment Type: W2 Contract

Job Description:

Mandatory Skills: Java Microservices, Microservices, Spring Boot, Data structures algorithms and system level design principles, AWS. Payments System

Key Responsibilities

• Design develop and optimize backend services for card payments and transaction systems ensuring low latency fault tolerance and multiregional resiliency.
• Build high through put APIs and microservices using modern Java frameworks Spring Boot Reactor
• Collaborate closely with product architecture and SRE teams to evolve Vision Next Vision PLUS 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 CICD automation for build test and deployment pipelines GitHub Actions Jenkins or Code Pipeline.
• Mentor junior engineers conduct code reviews and drive engineering excellence through reusable design patterns.

Required Qualifications

• Strong proficiency with Java Spring Boot data structures algorithms andsystem level design principles.
• Solid understanding of AWS core services and architectural best practices for scalable distributed systems.
• Experience with multi region 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.

Preferred Qualifications

• Expertise in Python programming for backend development and automation.
• Experience with Vision Next or Vision PLUS modules CMS ASM or TRAMS or other card processor platforms.
• Familiarity with payment rails Visa Mastercard RTP ACH and transaction lifecycle management.
• Knowledge of Kafka Redis or Aerospike for event driven processing and caching.
• Exposure to container orchestration ECS EKS or Kubernetes and observability platforms Grafana Datadog or Open Telemetry.
• Understanding of PCIDSS data encryption and regulated financial data operations.

About Next Gen Software Solutions LLC:

Next Gen Software Solutions is a trusted provider of IT Staffing and consulting services dedicated to empowering businesses with cutting-edge technology solutions and exceptional talent. We specialize in delivering tailored IT consulting services, innovative software solutions, and connecting businesses with highly skilled IT professionals. Founded and led by a dedicated U.S. Army solider, Next Gen Software Solutions is deeply rooted in the core values of integrity, discipline, commitment, and experience-principles that guide every aspect of our operations.

Equal Employment Opportunity Statement:

Next Gen Software Solutions LLC is an Equal Opportunity Employer. We are committed to fostering an inclusive and diverse workplace where all employees and applicants are treated respect and dignity. We do not discriminate based on race, colour, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, genetic information, veteran status, or any other legally protected characteristic under applicable federal, state, or local laws.