Principal Software Engineer - Golang

About the Role

PubMatic is looking for engineers, who can design and implement highly scalable and low-latency DSP bidder features in our Activate platform. If you get excited building applications and architecture to handle millions of requests per second with a creative and fast-paced work environment, competitive pay, great incentives, culture of teamwork, smart and friendly colleagues and plenty of opportunity to grow in your career then you should consider applying for this position.

What You'll Do

• Strong proficiency in Go (Golang) development on Linux/UNIX platforms.
• Proficient in leveraging Generative AI-assisted development tools to improve software development productivity, code quality, and engineering efficiency.
• Hands-on experience developing and deploying applications on Kubernetes (K8s); experience with containerized environments is preferred.
• Experience working in Agile/Scrum development environments.
• Strong understanding of data structures, algorithms, operating systems, and system programming concepts, including multithreading, multiprocessing, and memory management.
• Excellent analytical, problem-solving, and debugging skills.
• Take end-to-end ownership of the software development lifecycle, including solution design, implementation, code reviews, automated testing, deployment, release management, production monitoring, troubleshooting, performance optimization, and continuous improvement.
• Design and develop clean, modular, maintainable, and scalable software following engineering best practices.
• Understand end-to-end product functionality and translate business requirements into robust technical solutions.
• Design technical solutions and contribute to architecture and design discussions for new features and enhancements.
• Hands-on experience with relational databases, preferably PostgreSQL.
• Troubleshoot, diagnose, and resolve production issues while ensuring high availability, reliability, and performance of services.
• Collaborate effectively with cross-functional teams to design, develop, and deliver high-quality software solutions.

We'd Love for You to Have

• 7-12 years in Golang under Linux/Unix platform.
• Use best practices for software development and documentation, assure designs meet requirements and deliver high-quality work.
• Demonstrated ability to self-direct and work independently.
• Demonstrate work ownership and focus to do deliver on time.
• Mentor, groom, and lead junior team members on technical front.
• Willing to go extra mile to achieve greater results.
• Work with teams to achieve desired goals.
• Demonstrate timely and excellent verbal and written communication skills.
• Willing to take Agile scrum responsibilities in absence of Scrum Master.

AI-Enabled Engineering Mindset

We value engineers who actively leverage Generative AI tools and IDEs (e.g. GitHub Copilot, ChatGPT, Claude, Cursor, Windsurf etc.) to accelerate development, improve code quality, automate repetitive tasks, and enhance documentation and debugging workflows. Engineers who demonstrate AI-first thinking using these tools to drive faster experimentation, ideation, and technical execution will thrive in our high-scale, performance-critical environment.

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!