Key Responsibilities: Back-End Development: Architect, develop, and optimize scalable applications using Java and Spring Boot. Database Operations: Implement advanced query optimization for PostgreSQL and Cassandra, ensuring efficient and reliable data management. API Development: Build and secure RESTful APIs (OpenAPI) and GraphQL services, implementing security best practices with OAuth2.0, JWT, and API gateways. Microservices & Event-Driven Systems: Design resilient distributed services within a microservices architecture using Kafka or RabbitMQ. Cloud & Containers: Lead deployment strategies with Docker, Kubernetes, and AWS, ensuring scalability and high availability. Engineering Best Practices: Drive CI/CD automation and release pipelines. Ensure code quality with SonarCloud and SonarLint. Apply static analysis, automated testing, and performance benchmarking. Security & Compliance: Implement secure authentication workflows and ensure adherence to OWASP security guidelines. System Design & Performance: Develop architecture diagrams, caching strategies, and load balancing solutions. Testing & QA: Define test strategies with JUnit, Mockito, and automated frameworks to ensure reliability and stability. Requirements: Minimum 5 years of back-end engineering experience (preferably 7 years) in distributed systems, cloud environments, or microservices. Strong proficiency in Java, Spring Boot, and cloud-native development. Hands-on experience with Docker, Kubernetes, and AWS. Proven track record in system design, API security, and performance optimization. Bachelors Degree in Computer Science/Engineering (or equivalent experience). Fluent in English, with excellent communication skills. Apply now!