Java Backend Engineer (GraphQL) (6+ years)

Java Backend Engineer

Key Responsibilities:

• Design, develop, and maintain

  robust, scalable, and secure backend services

  using Java (Spring Boot) and GraphQL.
• Implement and maintain

  GraphQL APIs

  , ensuring efficient data fetching and schema design.
• Work extensively with

  MongoDB

  for schema design, data modeling, and query optimization.
• Collaborate with

  frontend engineers, product managers, and DevOps teams

  to deliver end-to-end solutions.
• Develop and maintain

  RESTful and GraphQL APIs

  to support web and mobile applications.
• Optimize application performance and ensure high availability, scalability, and fault tolerance.
• Participate in

  code reviews, unit testing, and integration testing

  to ensure code quality and reliability.
• Mentor junior engineers and contribute to

  best practices and coding standards

  .
• Troubleshoot, debug, and resolve production issues in a timely manner.
• Stay updated with emerging technologies and incorporate them where relevant.

Required Skills and Qualifications:

• 6+ years of professional experience

  as a Backend Engineer with strong proficiency in

  Java (Spring Boot)

  .
• Proven expertise in

  GraphQL

  , including schema design, resolvers, and performance optimization.
• Strong experience with

  MongoDB

  , including indexing, aggregation pipelines, and data modeling.
• Proficient in developing

  RESTful and GraphQL APIs

  for large-scale applications.
• Familiarity with

  microservices architecture

  and

  containerization (Docker/Kubernetes)

  .
• Good understanding of

  CI/CD pipelines

  , version control (Git), and agile methodologies.
• Experience with

  unit testing frameworks

  like JUnit, Mockito, etc.
• Strong problem-solving skills and the ability to work independently and in a team.
• Excellent communication skills, both verbal and written.

Preferred Qualifications:

• Experience with

  cloud platforms

  such as AWS, Azure, or GCP.
• Familiarity with

  API Gateway, Kafka, or other messaging systems

  .
• Knowledge of

  security best practices

  (OAuth2, JWT, encryption).
• Experience with

  performance monitoring tools

  (e.g., Prometheus, Grafana, New Relic).