Java Developer(with Spark SQL)

4 weeks ago

Bengaluru, Karnataka, India Affine Full time

Experience - 4 - 9 years

Work Location: India - Remote, Bengaluru will be preferred.

Work Timings: 1:00pm to 10:00pm IST

We are seeking experienced Java Developers with strong Spark SQL skills to join a fast-paced project for a global travel technology client. The role focuses on building API integrations to connect with external data vendors and creating high-performance Spark jobs to process and land raw data into target systems.

You will work closely with distributed teams, including US-based stakeholders, and must be able to deliver quality output in a short timeframe.

Key Responsibilities:

  • Design, develop, and optimize Java-based backend services (Spring Boot / Microservices) for API integrations.
  • Develop and maintain Spark SQL queries and data processing pipelines for large-scale data ingestion.
  • Build Spark batch and streaming jobs to land raw data from multiple vendor APIs into data lakes or warehouses.
  • Implement robust error handling, logging, and monitoring for data pipelines.
  • Collaborate with cross-functional teams across geographies to define integration requirements and deliverables.
  • Troubleshoot and optimize Spark SQL for performance and cost efficiency.
  • Participate in Agile ceremonies, daily standups, and client discussions.

Required Skills:

  • 4 to 8 years of relevant experience.
  • Core Java (Java 8 or above) with proven API development experience.
  • Apache Spark (Core, SQL, DataFrame APIs) for large-scale data processing.
  • Spark SQL – strong ability to write and optimize queries for complex joins, aggregations, and transformations.
  • Experience with API integration (RESTful APIs, authentication, payload handling, and rate limiting).
  • Hands-on with data ingestion frameworks and ETL concepts.
  • Experience with MySQL or other RDBMS for relational data management.
  • Proficiency in Git for version control.
  • Strong debugging, performance tuning, and problem-solving skills.
  • Ability to work with minimal supervision in a short-term, delivery-focused engagement.

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