Java Backend Developer

1 week ago

Chennai, India Cognizant Full time

Job Title: Senior Backend Developer (Java/Spring WebFlux with Node.js)Responsibilities:- Design, develop, and maintain high-performance, reactive microservices and APIs using Java and Spring WebFlux.- Implement scalable and resilient solutions, leveraging reactive programming principles and asynchronous processing.- Collaborate with cross-functional teams, including front-end developers, product owners, and architects, to define requirements and deliver robust solutions.- Develop and maintain server-side applications and APIs using Node.js for specific use cases, such as real-time communication or rapid prototyping.- Ensure the performance, security, and quality of applications through thorough testing, code reviews, and adherence to best practices.- Troubleshoot, debug, and optimize existing systems, identifying and resolving performance bottlenecks and technical issues.- Participate in architectural discussions and contribute to the evolution of the system design.- Stay updated with emerging technologies and industry trends in reactive programming, Java, Spring ecosystem, and Node.js.Required Qualifications:- Expertise in Java and the Spring Framework, specifically Spring WebFlux for building reactive applications.- Solid understanding of reactive programming paradigms and concepts (e.g., Mono, Flux).- Experience with building and consuming RESTful APIs.- Proficiency in Node.js and its ecosystem for backend development.- Experience with databases (SQL and/or NoSQL) and ORM frameworks.- Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and containerization technologies (e.g., Docker, Kubernetes).- Strong understanding of software development lifecycle, agile methodologies, and version control systems (e.g., Git).Preferred Skills:- Experience with message brokers (e.g., Kafka, RabbitMQ).- Knowledge of security best practices and experience implementing security measures.- Experience with performance testing and optimization.- Familiarity with front-end technologies (e.g., React, Angular, Vue.js) for full-stack understanding.

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