AppOps Engineer Vision Next (VN)

Rate: $120K

Role: AppOps Engineer Vision Next (VN)

Location: Berkeley Heights NJ (5days onsite)

Key Responsibilities

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

Bachelors or Masters 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 architecturesfor 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 VisionPLUS 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 OpenTelemetry).

Understanding of PCI-DSS data encryption and regulated financial data operations.