Senior Java Microservices Engineer Payments

Senior Java Microservices Engineer Payments Location: Hyderabad Experience: 6+ Years Employment Type: Full-Time Job Summary We are seeking an experienced Senior Java Microservices Engineer with strong expertise in Java, Microservices, AWS, distributed systems, and payment technologies. The ideal candidate will have deep hands-on experience designing and developing scalable backend systems using Java and Spring Boot, along with strong knowledge of AWS cloud services and modern microservices architectures. A strong understanding of the payments domain, particularly ACH, RTP, Zelle, SWIFT, and Federal Reserve (FED) payment systems, is highly important for this role. The candidate will be responsible for designing and delivering highly available, secure, resilient, and scalable payment solutions while working closely with architects, product teams, security, DevOps, and other engineering teams. Key Responsibilities Java & Microservices Development Design, develop, and maintain scalable backend applications using Java and Spring Boot.Build and enhance cloud-native microservices supporting high-volume payment processing.Develop secure and resilient RESTful APIs and service integrations.Apply strong object-oriented design, design patterns, clean coding practices, and SOLID principles.Develop highly maintainable, testable, and production-ready code.Participate in code reviews and provide technical guidance to other engineers.Troubleshoot complex application and production issues.Continuously improve application performance, scalability, and maintainability.Payments Domain Design and develop solutions supporting payment processing and financial transaction workflows.Demonstrate strong understanding of payment rails and financial messaging, including:ACHRTP (Real-Time Payments)ZelleSWIFTFederal Reserve / FED payment systemsUnderstand payment transaction lifecycles, processing flows, settlement, clearing, routing, and exception handling.Work with payment-related business requirements and translate them into scalable technical solutions.Understand transaction status, acknowledgements, reversals, retries, reconciliation, and error-handling scenarios.Design systems capable of processing high-volume and time-sensitive financial transactions.Ensure payment applications meet appropriate reliability, security, and compliance expectations.System Design & Distributed Systems Design highly scalable, resilient, and fault-tolerant distributed systems.Lead technical design discussions for complex business and payment-processing requirements.Apply distributed systems principles to address:ScalabilityAvailabilityReliabilityFault toleranceData consistencyConcurrencyIdempotencyDistributed transactionsDesign appropriate service boundaries and microservice architectures.Evaluate synchronous versus asynchronous communication patterns.Design event-driven solutions where appropriate.Develop strategies for handling failures, retries, timeouts, circuit breakers, and partial system outages.Analyze system bottlenecks and identify opportunities for performance optimization.AWS Cloud Design, deploy, and support cloud-native applications using AWS.Work with AWS services such as:EC2ECS/EKSLambdaS3RDSDynamoDBAPI GatewaySQS/SNSCloudWatchIAMDesign secure and highly available AWS architectures.Implement appropriate AWS networking, security, monitoring, and deployment patterns.Optimize cloud applications for performance, scalability, reliability, and cost.Troubleshoot application and infrastructure issues in AWS environments.Security & Compliance Design applications following security-by-design principles.Implement secure authentication and authorization mechanisms.Apply appropriate encryption and data protection practices.Work with AWS IAM, roles, policies, secrets, and least-privilege access.Protect sensitive financial and customer information.Ensure APIs and microservices follow enterprise security standards.Collaborate with security and compliance teams to address application risks.Understand security and compliance considerations applicable to financial services and payment applications.Support audit, risk assessment, vulnerability remediation, and compliance activities.Reliability & Resilience Design systems with high availability and strong operational resilience.Implement fault-tolerant application and infrastructure patterns.Develop appropriate retry, timeout, circuit-breaker, and fallback mechanisms.Design for disaster recovery and business continuity requirements.Implement monitoring, logging, alerting, and observability.Analyze production incidents and conduct root cause analysis.Drive continuous improvements to system reliability and operational performance.API & Integration Design and develop RESTful APIs for internal and external integrations.Integrate microservices with payment platforms and enterprise systems.Work with synchronous and asynchronous integration patterns.Handle JSON/XML and other financial data formats .