Java Microservices Developer

Job TitleMandatory Qualifications: 1. Level III- More than seven years of experience working on complex projects with two or more years in a leadership role as a Developer. Seven plus years of professional Java development experience with strong proficiency in Java 21 (records, sealed classes, pattern matching, virtual threads). One to three years of experience designing and building microservices architectures—service decomposition, API gateway patterns, service discovery, and distributed configuration; deploying and operating microservices on AWS (EC2, ECS/EKS, RDS, S3, SQS, Lambda). Seven years of experience with Spring Boot and the Spring ecosystem (Spring MVC, Spring Data, Spring Security, Spring Cloud); Spring Batch for large-scale batch processing; solid understanding of Hibernate/JPA for ORM and database interaction; experience with PostgreSQL or similar relational databases; building and consuming RESTful APIs with proper versioning and contract-first design; experience with inter-service communication patterns (REST, messaging queues, event-driven). Desirable Qualifications: 1. Experience with government or public sector projects. Familiarity with CI/CD tools (Jenkins, GitHub Actions, or similar) for microservices deployment pipelines; distributed system concerns: fault tolerance, circuit breakers, retries, and observability. Hands-on experience with microservices patterns such as saga, CQRS, event sourcing, and API composition; service mesh technologies and API gateway solutions (AWS API Gateway, Spring Cloud Gateway). Experience with Git version control and collaborative development workflows; strong understanding of software design patterns, SOLID principles, and clean code practices. Experience with containerization (Docker) and orchestration (Kubernetes/ECS) for microservices deployment. Knowledge of message-driven architecture (SQS, SNS, Kafka) for asynchronous inter-service communication; database-per-service patterns and database migration tools (Flyway, Liquibase etc). Experience with centralized logging and distributed tracing across microservices (CloudWatch, Splunk, Datadog, Zipkin, OpenTelemetry). Knowledge of infrastructure-as-code (Terraform, CloudFormation); OAuth2/OpenID Connect for securing microservices.