Consultant-Java Developer

About Us

Affine is a leading global AI and analytics company that has earned the trust of major organizations across industries for transforming businesses through data-driven insights and cutting-edge Generative AI technologies.
Founded in 2011, Affine has become a trusted partner for major organizations across various industries, delivering bespoke data solutions and products. Our team excels in strategic consulting, advanced analytics, data engineering and governance, MLOps, and AI-powered solutions, with a strong emphasis on Generative AI applications that foster ingenuity and pioneer advancements.We offer comprehensive data visualization and adoption advisory services, ensuring that our clients not only keep pace but lead in their respective fields. For more insights into our Generative AI capabilities and other services, please visit our website https://affine.ai.We offer exciting career opportunities for professionals seeking to make a significant impact. As an Affine employee, you'll be part of a dynamic and inclusive work environment that values collaboration, creativity, and continuous learning.  At Affine, we foster a culture of collaboration, you also work alongside some of the brightest minds in the industry, solve complex challenges, and make a lasting impact on the world.

We are seeking experienced Java Developers with strong 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 SQL queries and data processing pipelines for large-scale data ingestion.
• Build 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 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.
• Good to have experience in Apache Spark (Core, SQL, DataFrame APIs) for large-scale data processing.
• 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.

Nice to Have:

Experience with Apache Kafka for real-time streaming integrations.

• Familiarity with AWS data services (S3, EMR, Glue).
• Exposure to NoSQL databases like Cassandra or MongoDB.
• Prior work in the travel, hospitality, or e-commerce domain.

Work Location: