Zensar Technologies—AES - DE - FS - Java

Job description

Description: We are looking for a highly skilled Senior Backend Developer to design, develop, and maintain scalable, secure, and high-performance backend systems. The ideal candidate will have extensive experience in Java, Microservices Architecture, API Design & Development, AWS Cloud Services, and Kafka-based event-driven solutions. This role requires a hands-on engineer who can drive technical design decisions, contribute to architecture discussions, mentor junior developers, and collaborate closely with product, frontend, and DevOps teams to deliver robust enterprise-grade applications. Requirements: - 8+ years of hands-on software development experience. - Strong expertise in Java (Java 11/17+). - Extensive experience with Spring Boot, Spring MVC, Spring Security, and related frameworks. - Strong understanding of Microservices Architecture and design patterns. - Proven experience in API Design and Development. - Hands-on experience with AWS Cloud Services. - Strong knowledge of Apache Kafka and event-driven architectures. - Experience with SQL and NoSQL databases. - Experience with CI/CD pipelines and DevOps practices. - Strong understanding of system scalability, performance tuning, and security best practices. - Proficiency with GitHub and modern source control workflows. Responsibilities: Key Responsibilities API Design & Development - Design and develop scalable, secure, and maintainable RESTful APIs. - Define API standards, governance, versioning, and best practices. - Collaborate with stakeholders to translate business requirements into technical API solutions. - Develop API contracts using OpenAPI/Swagger specifications. - Optimize API performance, reliability, and security. Backend Development - Design and implement backend services using Java and Spring Boot. - Build and maintain microservices-based architectures. - Develop reusable, testable, and efficient code following industry best practices. - Perform code reviews and ensure high coding standards. Cloud & Distributed Systems - Design and deploy cloud-native applications on AWS. - Work with AWS services such as ECS/EKS, Lambda, API Gateway, RDS, S3, CloudWatch, and IAM. - Implement scalable and resilient distributed systems. Event-Driven Architecture - Design and develop Kafka-based integration solutions. - Build event-driven microservices for asynchronous processing. - Monitor and optimize Kafka producers, consumers, and topics. Collaboration & Leadership - Mentor junior developers and provide technical guidance. - Participate in architecture reviews and technical decision-making. - Work closely with Product Owners, Architects, QA, and DevOps teams. - Drive continuous improvement initiatives and adoption of engineering best practices.