Senior Software Engineer - Java API developer

PubMatic·Pune, IN·Posted 23 July 2026

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About the role

About the Role We are seeking a highly skilled Senior Java API developer with experience in building high-performing, scalable, enterprise-grade backend systems in the digital advertising domain. In this role, you will design, develop, and optimize backend services powering Mobile Ad SDK systems and AI-driven products such as recommendation engines, monetization optimization platforms, and intelligent ad delivery systems. This role will be responsible for productionizing machine learning models, building high-performance APIs, and enabling intelligent decision systems at scale What You'll Do: Design and develop scalable, secure, and high-performance RESTful APIs using Java (Java 11+) and Spring Boot. Own end-to-end solution design, planning, execution, and release of backend features. Build and maintain backend services supporting AI-driven initiatives (recommendation systems, predictive analytics). Productionize and integrate ML models into backend systems, enabling real-time intelligent decisioning. Develop efficient data models and optimize database queries (MySQL/PostgreSQL) for performance and reliability. Ensure API security using OAuth2, JWT, and role-based access controls.…

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