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Senior Software Engineer - Java API developer

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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. 
  • Build for scale—design systems capable of handling high concurrency, large data volumes, and low-latency requirements. 
  • Implement observability best practices including logging, monitoring, tracing, and alerting. 
  • Participate in code reviews, design discussions, and technical decision-making to ensure engineering excellence. 
  • Collaborate cross-functionally with Analytics, Product, SDK, UI, Ad server, DevOps, and QA teams to deliver AI-powered features. 
  • Leverage generative AI tools and advanced prompt engineering techniques to enhance productivity and code quality.

We’d Love for You to Have