Java Backend DeveloperCognizant • lucknow, uttar pradesh, in

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Java Backend Developer

Cognizant • lucknow, uttar pradesh, in

15 days ago

Job description

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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Java Backend Developer • lucknow, uttar pradesh, in

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