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Senior Java Engineer
Senior Java EngineerDigiHelic Solutions Pvt. Ltd. • Kolkata, IN
Senior Java Engineer

Senior Java Engineer

DigiHelic Solutions Pvt. Ltd. • Kolkata, IN
6 hours ago
Job description

We are Hiring !

Key Responsibilities

  • Design and develop backend services using Java and the Spring ecosystem (Spring Boot, Spring MVC, Spring Data, Spring Security).
  • Design and implement microservices with emphasis on scalability, resilience, and API contract integrity.
  • Develop and optimize RESTful APIs, backend workflows, and data-processing components.
  • Apply domain-driven design, clean architecture, and secure coding practices.
  • Work with relational databases; ensure optimal schema design and query performance.
  • Integrate services with messaging systems such as Kafka, RabbitMQ, or similar.
  • Implement CI / CD pipelines, containerization (Docker), and orchestration (Kubernetes).
  • Troubleshoot and resolve complex issues related to performance, concurrency, and scalability.
  • Analyze and address performance bottlenecks across the stack, including code, database, and infra layers.
  • Collaborate with cross-functional teams for requirements, architecture, reviews, and production support.
  • Drive code quality through reviews, technical guidance, and mentoring junior engineers.

Required Skills

  • Minimum 10 years of hands-on experience in Java (Java 8+), including deep expertise in core language fundamentals, collections, concurrency, and JVM internals.
  • Strong experience in the Spring ecosystem : Spring Boot, Spring Data, Spring Security, Spring Cloud.
  • Extensive experience with microservices architecture and distributed system patterns.
  • Proven ability to analyze and resolve performance bottlenecks using profiling tools and optimization techniques.
  • Strong proficiency with SQL and NoSQL databases, including performance tuning and query optimization.
  • Experience with event-driven architectures and message brokers (Kafka preferred).
  • Hands-on expertise with Docker, Kubernetes, and cloud platforms (preferably Azure).
  • Experience with CI / CD tooling such as Jenkins, GitLab CI, or GitHub Actions.
  • Strong understanding of system design, design patterns, and architectural best practices.
  • Soft Skills

  • Ability to lead technical design discussions and make decisions.
  • Clear, structured communication and cross-team collaboration.
  • Strong ownership mindset and focus on delivery excellence.
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    Senior Engineer Java • Kolkata, IN

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