Senior/Software Engineer - Java

Location: Pune, IN

Department: Engineering

About the Role 
 
We are seeking a Senior/Software Engineer with proven experience in building high-performing, scalable, enterprise-grade applications in the digital advertising domain. In this role, you will design, develop, and optimize backend systems that power large-scale ad delivery, targeting, and reporting. You will also have the opportunity to leverage AI and Generative AI technologies to create intelligent solutions that enhance ad generation, optimization, and personalization, driving measurable impact in digital advertising. 
 
What You'll Do: 

• Create and present design reviews independently, translating feature requirements into robust technical designs. 
• End-to-end ownership of solution design, planning, execution, and release for feature requirements.  
• Develop and maintain scalable backend services using Java, Spring Boot, RabbitMQ, Elasticsearch, and related frameworks. 
• Implement efficient data models and optimize database queries for high performance and reliability using MySQL. 
• Participate in code reviews, design discussions, and technical decision-making to maintain coding standards and ensure cross-team consistency. 
• Build for scale — ensure systems can seamlessly handle increasing data volume, concurrency, and transaction load.  
• Ensure observability by implementing and maintaining comprehensive logging, metrics, tracing, and alerting to monitor system health and performance using tools like Filebeat, the ELK stack, and related technologies. 

 We'd Love for You to Have: 

• 2 to 5 years of experience in Java and Linux/UNIX environments.
• Experience and/or knowledge of Java 11 or higher.
• Proficiency in SQL and relational databases, including complex queries, performance optimization, schema design, indexing, and stored procedures.
• Strong knowledge of Data Structures and OOPS concepts.
• Strong understanding of CI/CD concepts, including pipeline creation, automation, integration, and deployment workflows.
• Hands-on experience with Core Java and J2EE technologies (Java, Spring, Spring Boot, Hibernate/MyBatis).
• Knowledge and practical experience with scripting languages, preferably Python.
• Experience in REST Web Service development.
• Proficiency in using generative AI-based tools and IDEs to boost productivity and code quality.
• Detailed knowledge of different AI models and advanced prompt engineering techniques, with the ability to apply them effectively in software development
• Experience in JUnit and unit testing best practices.
• Experience working on high-performance and scalable systems (preferred).
• Good knowledge of Unix OS (preferred).
• Hands-on experience with tools/technologies like Kubernetes, Jenkins, Maven, GIT, and Docker.
• Familiarity with UI technologies such as HTML, JavaScript, and CSS.
• Familiarity with Test Driven Development (TDD), refactoring, code reviews, continuous integration/delivery, and Agile development practices.
• Understanding of advanced AI concepts, including RAG, agentic AI, and model fine-tuning.
• Use best practices of Agile-based software development and documentation, ensure designs meet requirements, and deliver high-quality work.
• Demonstrated ability to be self-driven and work independently. 

Qualifications:

• Should have a Bachelor’s degree in engineering (CS / IT) or equivalent degree from well-known Institutes / Universities.

Additional Information:

Return to Office: PubMatic employees throughout the global have returned to our offices via a hybrid work schedule (3 days “in office” and 2 days “working remotely”) that is intended to maximize collaboration, innovation, and productivity among teams and across functions.

Benefits: Our benefits package includes the best of what leading organizations provide, such as paternity/maternity leave, healthcare insurance, broadband reimbursement. As well, when we’re back in the office, we all benefit from a kitchen loaded with healthy snacks and drinks and catered lunches and much more!

Diversity and Inclusion: PubMatic is proud to be an equal opportunity employer; we don’t just value diversity, we promote and celebrate it. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

About PubMatic

PubMatic is one of the world’s leading scaled digital advertising platforms, offering more transparent advertising solutions to publishers, media buyers, commerce companies and data owners, allowing them to harness the power and potential of the open internet to drive better business outcomes.

Founded in 2006 with the vision that data-driven decisioning would be the future of digital advertising, we enable content creators to run a more profitable advertising business, which in turn allows them to invest back into the multi-screen and multi-format content that consumers demand.