Lead Java Backend Developer

We are hiring an experienced Java Backend Lead Developer to join a dynamic team supporting a major U.S. banking client. This role requires a hands-on engineer with deep experience in backend development, cloud-native deployment, and containerized microservices. Youll be responsible for building secure, scalable, and high-performance services within a complex, BFSI-aligned architecture. Ideal candidates are technically strong, detail-oriented, and capable of driving both development and deployment efforts in a hybrid work environment.Client : US-based Global Banking InstitutionNotice Period : 21 DaysModel : Hybrid (3 Days Onsite)Key Responsibilities :- Design, develop, and maintain enterprise-grade backend services using Java and Spring Boot.- Build secure and scalable RESTful APIs with comprehensive documentation and error handling.- Architect and contribute to microservices with strong service isolation, API gateways, and circuit breakers.- Manage data persistence with JPA/Hibernate and write optimized SQL for complex queries and transactions.- Support containerization and deployment of services using Docker and Kubernetes.- Collaborate on cloud deployments (GCP, AWS, or Azure) using managed services for compute, networking, and storage.- Lead CI/CD processes using Jenkins or GitLab CI and troubleshoot pipeline failures or deployment issues.- Coach junior team members and engage in regular code reviews, best practices enforcement, and process improvements.- Monitor and debug application issues using observability tools like ELK, Prometheus, or Splunk.- Ensure high unit test coverage and robust integration testing using JUnit, Mockito, and related frameworks.Technical Skills & Expertise : Candidates should have strong hands-on experience with the following : - Java 8/11+ with deep knowledge of object-oriented principles, functional programming (Lambdas, Streams), memory management, and exception handling.- Spring Boot and Spring Security, including configuration of beans, profiles, and JWT-based RESTful API development with understanding of HTTP methods, headers, pagination, versioning, and OpenAPI/Swagger documentation.- Microservices architecture including service discovery, stateless design, container orchestration, and fault tolerance patterns.- Multithreading and concurrency concepts with working knowledge of synchronization, ExecutorService, and debugging race conditions or deadlocks.- JPA/Hibernate for ORM mapping, transaction management, lazy loading, cascading, and native query execution.- CI/CD pipeline workflows using Jenkins or GitLab CI with knowledge of build/test/deploy stages and environment variable management.- Kubernetes deployment and management using YAML (pods, services, ConfigMaps, probes), with experience in GKE or OpenShift preferred.- Cloud platforms like AWS, GCP, or Azure for deploying Java-based backend workloads (compute, networking, storage).- Unit and integration testing using JUnit, Mockito, and optional tools like Testcontainers, targeting 60%+ code coverage.- Git-based version control with experience in rebasing, merge conflict resolution, and branching strategies (e.g., Git Flow).Nice-to-Have Skills :- Messaging systems like RabbitMQ or Kafka, with understanding of queue/topic setup, retries, and dead-letter queues.- Build tools such as Maven or Gradle, including dependency management and plugin configuration.- Exposure to OpenShift CLI or console and familiarity with OpenShift-specific deployment YAMLs.- Docker for containerizing Spring Boot applications, understanding image layers, volumes, and networking.- Observability tools such as ELK, Prometheus, or Splunk for log tracing and monitoring application health.- Familiarity with authentication standards like OAuth2 and JWT in a microservices environment.- Working knowledge of software design patterns such as Singleton, Factory, Strategy, and their practical application in large-scale systems. (ref:hirist.tech)