Java Developer(with Spark SQL)

Experience - 4 - 9 years Work Location:India - Remote, Bengaluru will be preferred. Work Timings:1:00pm to 10:00pm ISTWe 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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