HighFalutin LLC

Hello all, Hope you are doing well. Please have a look at the JD below for the position of SeniorJava Developer for one of our clients, if you have a relevant profile please share it with me. Job Title: Senior Java Developer Job Location: Charlotte, NC - Hybrid Interview is F2F. Must Have: Finance / Payments Domain Microservices. Kafka MongoDB Spring Boot Job Description: We are seeking a highly experienced Senior Java Developer with strong expertise in Spring Boot, Microservices, Kafka, and MongoDB, ideally with a background in Payments or Financial Services. The ideal candidate will be responsible for designing and developing scalable, secure, and high-performance applications that support mission-critical payment processing systems. You will collaborate with cross-functional teams including Architecture, QA, DevOps, Business Analysts, and Product Owners to deliver enterprise-grade solutions that comply with financial industry standards. Key Responsibilities Design, develop, and maintain Java-based microservices using Spring Boot with a strong focus on modularity, scalability, and performance. Build event-driven distributed systems using Kafka, including topics, partitions, consumer groups, and streaming pipelines. Work with MongoDB to design schemas, implement queries, optimize performance, and ensure data integrity. Develop secure and fault-tolerant components for payment processing, including transaction workflows, settlements, reconciliation, and real-time validations. Integrate microservices with internal and external payment gateways, APIs, and third-party financial systems. Participate in architecture discussions, code reviews, and contribute to best practices, standards, and design patterns. Troubleshoot production issues and provide Level-3 support for high-availability systems. Ensure compliance with financial regulations, security standards, and audit requirements. Required Skills and Experience 10 years of hands-on experience in Core Java, OOPs, multithreading, collections, and concurrency. Strong experience with Spring Boot, Spring Cloud, Spring Security, and REST API development. Deep understanding of Microservices Architecture, service discovery, load balancing, API gateways, and resilience patterns (Circuit Breaker, Retry, Bulkhead). Hands-on experience with Kafka (producers, consumers, schema registry, Kafka Streams). Strong experience with MongoDB (schema design, indexes, aggregation framework, performance tuning). Experience in developing applications within payments, banking, or financial services domain. Familiarity with secure coding practices, PCI-DSS guidelines, OAuth 2.0/JWT, encryption, and tokenization. Knowledge of CI/CD pipelines, Git, Jenkins, Docker, Kubernetes (good to have). Experience working in Agile environments with cross-functional teams. Nice to Have Experience with cloud platforms (AWS, GCP, or Azure). Exposure to Redis, ELK, OpenShift, GraphQL, or gRPC. Experience with high-throughput, low-latency system design. Microservices, MongoDB, Java