Sr. Java backend developer

20 hours ago

Hyderabad, Telangana, India Techno Kryon Full time ₹ 1,20,000 - ₹ 17,00,000 per year

Location: Hyderabad, kondapur, telangana

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We are looking for an experienced Java Backend Developer with 6 - 9 years of hands-on experience, including strong proficiency in Spring WebFlux and MongoDB. The ideal candidate will contribute to building reactive, high-performance, and scalable backend systems to support our growing application needs.

Key Responsibilities:

  • Design and develop reactive microservices using Spring WebFlux
  • Implement RESTful APIs and integrate with front-end and external systems
  • Work with MongoDB for data modeling, indexing, and aggregation pipelines
  • Ensure non-blocking, asynchronous communication across services
  • Collaborate closely with product managers, architects, and DevOps engineers
  • Write unit and integration tests using JUnit and Mockito
  • Participate in design reviews and code walkthroughs
  • Identify and resolve performance bottlenecks and memory issues
  • Ensure backend services are secure, scalable, and maintainable

Required Skills & Experience:

  • 6 - 9 years of Java backend development experience
  • Strong hands-on experience with Spring Boot and Spring WebFlux
  • Solid experience working with MongoDB (collections, schema design, aggregation)
  • Understanding of reactive programming principles and patterns
  • Familiarity with asynchronous data flow and Project Reactor
  • Experience building and consuming REST APIs
  • Familiarity with Docker, Git, and basic CI/CD pipelines
  • Good knowledge of unit testing, error handling, and exception management
  • Strong debugging, analytical, and problem-solving skills

Preferred Qualifications:

  • Exposure to cloud platforms (AWS/GCP/Azure)
  • Experience with Kafka, RabbitMQ, or other message brokers
  • Knowledge of Kubernetes or container orchestration tools
  • Prior experience in Agile development environments
  • Understanding of OAuth2/JWT security models

Soft Skills:

  • Excellent communication and collaboration skills
  • Self-driven and proactive with a problem-solving mindset
  • Ability to quickly learn new technologies and adapt to changing requirements

Job Types: Full-time, Permanent

Pay: ₹1,200, ₹1,700,000.00 per year

Work Location: In person

Speak with the employer

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