jobapplier

Backend Engineer - SRE

Lenskart

Skills

Required

  • OOP
  • Exception Handling
  • Multithreading
  • Java 8+
  • Spring Boot
  • Spring MVC
  • Spring Security
  • Spring Data JPA
  • Hibernate
  • REST APIs
  • MySQL
  • PostgreSQL
  • Oracle
  • ELK / Grafana / Prometheus

Preferred

  • Docker
  • Kubernetes
  • Jenkins
  • AWS / Azure / GCP
  • Java
  • RESTful APIs
  • NoSQL databases
  • JUnit
  • Git

We are looking for a skilled Java Backend Developer to design, develop, test, and maintain scalable, secure, and high-performance backend applications. The ideal candidate should have strong experience in Java, Spring Boot, REST APIs, microservices architecture, database management, and cloud or deployment technologies.

Responsibilities

  • Design, develop, and maintain backend services using Java and Spring Boot.
  • Build and integrate RESTful APIs and microservices.
  • Write clean, reusable, maintainable, and efficient code.
  • Work with relational and NoSQL databases to design schemas and optimize queries.
  • Implement authentication, authorization, and application security.
  • Identify and resolve performance bottlenecks, bugs, and production issues.
  • Write unit and integration tests using JUnit, Mockito, or similar frameworks.
  • Collaborate with Product Managers, Business Analysts, QA Engineers, DevOps Engineers, and frontend developers.
  • Participate in code reviews, technical design discussions, and Agile/Scrum ceremonies.
  • Use Git and CI/CD pipelines to manage code changes and deployments.
  • Monitor application performance, troubleshoot issues, and support production releases.
  • Follow coding standards, secure development practices, and engineering best practices.

Requirements

  • Core Java, OOP, Collections, Exception Handling, Multithreading, Java 8+ features.
  • Spring Boot, Spring MVC, Spring Security, Spring Data JPA, Hibernate.
  • REST APIs, JSON, HTTP methods, API versioning, Swagger/OpenAPI.
  • Microservices, design patterns, distributed systems fundamentals.
  • MySQL, PostgreSQL, Oracle, or similar relational databases; SQL query optimization.
  • Logging, metrics, and troubleshooting using tools such as ELK, Grafana, or Prometheus.
  • Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
  • Strong analytical, problem-solving, and debugging skills.
  • Understanding of data structures, algorithms, and software engineering principles.
  • Good communication and collaboration skills.
  • Experience working in Agile development environments.

Preferred

  • Docker, Kubernetes, Jenkins, AWS/Azure/GCP, depending on the project.

Messaging

Kafka or RabbitMQ, where applicable.

Testing

JUnit, Mockito, integration testing.

Build Tools

Maven or Gradle.

Version Control

Git, GitHub, GitLab, or Bitbucket.