Senior Java Software Engineer

Vistasglobal โ€” Qatar ยท Posted ~2 days ago

Senior Full-time

Skills

Java 17/21 Spring Boot 3.x RESTful APIs Microservices Architecture Oracle Database SQL Spring Data JPA JPA Specifications JUnit 5 Mockito Integration Testing Git Maven Kubernetes OpenShift Microsoft Azure CI/CD Agile Production Support Java 17 Java 21 REST Microservices Oracle

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Summary

A senior engineering opportunity focused on designing and delivering secure, scalable enterprise microservices and REST APIs. You will work across development, testing, cloud deployment, observability, production support, and performance optimization, using modern Java, Spring, container platforms, relational databases, and CI/CD practices.

Highlights

Owns the full software lifecycle from solution design through development, deployment, production support, and performance optimization. Work on scalable enterprise microservices, modern cloud-native deployments, automated testing, and resilient systems within collaborative Agile teams.

Description

Job Summary We are seeking an experienced Senior Java Developer to design, develop, and support enterprise-grade microservices for digital banking and enterprise applications. The ideal candidate will have strong expertise in Java 17/21, Spring Boot 3.x, RESTful APIs, Microservices Architecture, Oracle Database, CI/CD, and containerized deployments. The role involves end-to-end ownership of application components, including solution design, development, testing, deployment, production support, and performance optimization while working in Agile delivery teams. Key Responsibilities Software Design & Development Design, develop, and maintain enterprise-grade Java applications.Build scalable, secure, and high-performance microservices.Design RESTful APIs and service contracts.Implement business logic using Spring Boot 3.x.Develop reusable, maintainable, and production-ready code.Ensure coding standards and best practices are followed.Microservices Development Design microservice architecture.Define service boundaries.Develop inter-service communication mechanisms.Implement resilience, fault tolerance, and error handling.Develop API endpoints and service integrations.Implement observability, logging, and monitoring.Database Development Develop applications using Oracle Database.Design and optimize SQL queries.Implement data persistence using Spring Data JPA.Develop JPA Specifications.Perform SQL performance tuning.Optimize database access and transactions.API Development Design and develop REST APIs.Define API contracts.Integrate with internal and external systems.Support API versioning and lifecycle management.Ensure API security and performance.Testing & Quality Assurance Develop Unit Tests using JUnit 5.Write Mockito-based test cases.Develop Integration Tests.Achieve required code coverage.Perform defect analysis and bug fixing.Support User Acceptance Testing (UAT).CI/CD & DevOps Manage source code using Git.Support CI/CD pipelines.Build applications using Maven.Manage Maven multi-module projects.Deploy applications to:KubernetesOpenShiftMicrosoft AzureSupport automated deployments.Production Support Investigate production incidents.Debug application, integration, and database issues.Support release management.Perform root cause analysis.Ensure application stability and availability.Code Quality & Documentation Participate in peer code reviews.Maintain technical documentation.Document APIs and services.Ensure compliance with development standards.Maintain governed dependency management.Collaboration Work closely with:Solution ArchitectsBusiness AnalystsQA EngineersDevOps EngineersProduct OwnersInfrastructure TeamsParticipate in Agile ceremonies.Support sprint planning and backlog refinement.Education Bachelor's Degree in:Computer ScienceInformation TechnologySoftware EngineeringComputer EngineeringOr equivalent qualificationRequired Experience Minimum 9+ years of Java development experience.Strong hands-on experience with Java 17/21 (Java 25 exposure is an advantage).Experience building enterprise microservices.Experience in Agile software delivery.Experience supporting enterprise production environments.