• Only qualified Core Java Developer candidates located near the location specified in the job description are to be considered due to the position requiring an onsite presence
• Required Experience & Knowledge
• 10+ years of relevant experience designing and developing enterprise-grade Java-based systems
• 10+ years of hands-on experience with Core Java, Java 17/21/25 LTS, Jakarta EE (J2EE), Spring Framework 7 and Spring Boot 4.x
• Experience developing RESTful services and working with medium-to-complex distributed systems
• Experience with event-driven architecture using Apache Kafka and IBM MQ
• Experience with relational databases, SQL, PL/SQL, and schema versioning tools such as Flyway or Liquibase
• Experience implementing secure, scalable and resilient enterprise applications
• Experience with Docker, Red Hat OpenShift, Kubernetes and CI/CD pipelines
• Strong understanding of the full Software Development Life Cycle (SDLC) and Agile methodologies
• Experience working with distributed teams across time zonesRequired Technical Skills
• Strong knowledge of modern Java language features, JVM internals, garbage collection tuning and performance profiling
• Proficiency in Java 25 preferred, Core Java, Jakarta EE (J2EE), Spring Framework 7 and Spring Boot 4.x
• Expertise in

REST API

design, OpenAPI/Swagger and high-performance service communication

• Strong knowledge of JPA 2/3, Hibernate 6 and HikariCP connection pooling
• Experience with Spring Security 6+, OAuth 2.0/OIDC, JWT-based authentication, RBAC and ABAC
• Knowledge of Apache Kafka partitioning, consumer groups, idempotency, transactional outbox patterns and IBM MQ
• Experience with Oracle or equivalent databases such as PostgreSQL and MySQL
• Experience with Redis, MongoDB and Elasticsearch, with awareness of vector databases such as Pgvector
• Familiarity with Spring AI, large language model (LLM) integration and retrieval-augmented generation (RAG) workflows is an advantage
• Proficiency with AI-assisted development tools such as Claude, GitHub Copilot, Devin and Cursor
• Experience with JUnit 5, Mockito, AssertJ, Cucumber/Gherkin and Testcontainers
• Knowledge of contract testing tools such as WireMock and Spring Cloud Contract
• Experience with IntelliJ IDEA or Eclipse, Git, Bitbucket, GitHub, Maven/Gradle, JIRA and SonarQube
• Experience with Docker multi-stage builds, Kubernetes deployments, ConfigMaps, Secrets, Ingress and

HPA/KEDA

autoscaling

• Experience with Jenkins, GitHub Actions, GitLab CI or ArgoCD
• Familiarity with Micrometer, Prometheus, Grafana and distributed tracing tools such as OpenTelemetry, Zipkin or JaegerPreferred Experience
• Experience with Java 25 LTS
• Exposure to Spring AI, LLM integrations, RAG workflows and vector databases
• Experience with advanced Kubernetes autoscaling using

HPA/KEDA

• Familiarity with modern AI-assisted software engineering tools and practicesRequired Soft Skills
• Strong analytical and problem-solving skills
• Ability to learn new tools, frameworks and technologies quickly
• Ability to collaborate effectively with distributed and cross-time-zone teams
• Strong understanding of enterprise design standards, architectural patterns and development best practicesResponsibilities
• Design, develop and maintain enterprise-grade Java-based backend applications
• Build scalable RESTful services using Core Java, Spring Framework and Spring Boot
• Develop and maintain event-driven integrations using Apache Kafka and IBM MQ
• Design and optimize database schemas, SQL queries and PL/SQL procedures
• Implement secure authentication and authorization using Spring Security and modern security standards
• Apply resilience patterns, caching strategies and performance optimization techniques
• Develop automated unit, integration and contract tests to ensure software quality
• Use AI-assisted development tools to improve coding productivity, code review and development workflows
• Build, deploy and maintain containerized applications using Docker, OpenShift and Kubernetes
• Implement and maintain CI/CD pipelines and application observability
• Participate in Agile ceremonies, sprint planning, code reviews and iterative delivery
• Collaborate with cross-functional teams to deliver reliable and maintainable software solutionsAdditional Details
• Assignment duration of 1 year with potential conversion to a permanent role
• Candidates must successfully complete the Java Senior Karat assessment before submission unless they have passed the same assessment within the last 6 months
• Only those lawfully authorized to work in the designated country associated with the position will be considered.
• Please note that all Position start dates and duration are estimates and may be reduced or lengthened based upon a client's business needs and requirements.

•