Senior Software Engineer ( Java & ReactJs)

Senior Software Engineer

Location: Dubai, UAE (Client Site)

Salary: AED 10,000 – AED 13,000 / month

Benefits: Work visa, air tickets, medical insurance, gratuity, paid time off

Experience: 5–8 years of relevant experience

Reference: FZ-AE-527

Cinergie Digital is hiring a Senior Software Engineer to build full-stack applications with Java/Spring Boot microservices and React front ends, deployed cloud-native on AWS. The role covers UI, secure APIs, event-driven integration, deployment, and production support.

Key Responsibilities

• Build and maintain Spring Boot microservices: REST APIs, business services, data access, and security.

• Develop responsive React/TypeScript UIs with reusable components and Redux/Context API state.

• Deploy and run services on AWS (EC2, ECS/EKS, Lambda, API Gateway, S3, RDS, DynamoDB, IAM) via Docker and CI/CD.

• Implement event-driven messaging with Apache Kafka and AWS SNS/SQS.

• Write production-ready code with unit and integration tests (JUnit, Mockito, frontend frameworks).

• Troubleshoot production issues, ensuring reliability, performance, and cross-browser compatibility.

• Join Agile ceremonies and code reviews; use AI tools (e.g. GitHub Copilot) within security standards.

Required Technical Skills

• Core Java: OOP, multithreading, concurrency, collections, JVM fundamentals.

• Spring Boot, Spring MVC, Spring Security, microservices, and secure REST API design.

• Hands-on AWS: EC2, ECS/EKS, Lambda, API Gateway, S3, RDS, DynamoDB, IAM, SNS, SQS; Docker.

• React.js (Hooks, Redux, Context API), TypeScript, JavaScript (ES6+), HTML5, CSS3.

• SQL data modelling and query tuning on MySQL, PostgreSQL, or Oracle.

• Git, CI/CD pipelines, and JWT-based authentication/authorisation.

Candidate Profile

• 5–8 years in full-stack engineering, with Java/Spring Boot as the primary backend.

• Proven production delivery on AWS, not only sandbox builds.

• Owns features end to end, from UI through API, data, and deployment.