Java Backend Payment Merchant

We are seeking a Java Backend Resource having 8+ years of professional experience in backend application development, cloud engineering, and enterprise system integration with strong expertise in building, deploying, and supporting API driven applications. The candidate must have deep hands on experience with Java Backend, K8 Micro Services, Redis, Memcache, Cloud services, and CI/CD pipelines, along with the ability to design scalable, secure, and resilient cloud solutions. This role requires close collaboration with cross functional teams, adherence to DevOps and Agile practices, and ownership of service quality and delivery., * Microservices Development: Design, develop, and maintain high-throughput backend services and RESTful / event-driven APIs (Kafka) using Java 17+ and Spring Boot.

• Cloud-Native Deployment: Deploy and manage applications in Kubernetes (K8s) environments, ensuring scalability and high availability.
• Caching & Optimization: Implement caching strategies using Redis or Memcached to minimize database load and optimize performance.
• Event-Driven Systems: Work with messaging systems (e.g., Kafka) to create asynchronous, event-driven architectures.
• Database Management: Maintain database schemas and write optimized queries for SQL (PostgreSQL, MySQL) and NoSQL (Cassandra, MongoDB) databases.
• CI/CD & DevOps: Collaborate on CI/CD pipelines (ArgoCD, Jenkins, Artifactory, DevSecOps) and monitor services using observability tools

• Functional Domain: Good understanding of Payment and Merchant platform areas like Omnichannel Payment Acceptance, Security and Compliance, Financial Management (real time reporting, transaction tracking), Cloud-based Point-of-Sale (POS),
• Language: Expertise in Java and Spring Boot framework.
• Architecture: Strong experience building, testing, and troubleshooting Microservices.
• Infrastructure: Hands-on experience with Docker and Kubernetes (K8s), Containerized application deployment concepts, Configuration, scaling, and environment management awareness
• Caching Technologies: Experience managing data storage/caching with Redis or Memcached.
• Database: Proficient in SQL and NoSQL database design.
• Tooling: Familiarity with Git, Maven/Gradle, and CI/CD tools like (ArgoCD, Jenkins, Artifactory, DevSecOps), Source control, branching strategies, merge requests, CI/CD pipeline configuration and automated deployments, Environment-based deployments and rollback strategies
• Experience with AWS, Azure, or GCP services.
• Knowledge of monitoring tools such as Prometheus, Grafana, or ELK stack.
• Understanding of distributed tracing and logging.
• Cloud concepts like fundamentals, App Configuration / App Settings, Key Vault, Cache, Service Bus (queues/topics), Event driven architecture, Blob Storage, cloud security, scalability, and resiliency patterns

• Microservice Development

• Microservice design and implementation
• Middleware, filters, exception handling, and logging
• Authentication and authorization (JWT/OAuth concepts)
• Performance optimization and secure coding practices
• Agile and Collaboration Tools: Sprint planning, work item tracking, and agile delivery, Technical documentation and knowledge sharing

Soft Skills

• Strong problem-solving and analytical skills
• Clear communication with technical and non technical stakeholders
• Ownership mindset and production grade engineering discipline
• Ability to work independently and within cross functional teams

• $121,200-181,800 per year

Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Te…