Senior Software Engineer - C/C++, Linux/ Unix, Cloud

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About the role

About the Role PubMatic is looking for engineers who can design and implement next-generation highly scalable, and low-latency ad server features at a scale of 1 trillion+ requests per day in our AD Server. If you get excited building applications and architecture to handle 100's of billions of requests per day, managing millions of requests per second with a creative and fast-paced work environment, competitive pay, great incentives, the 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 • Use best practices for software development and documentation, ensure designs meet requirements, and deliver high-quality work. • Demonstrated ability to self-direct and work independently. • Demonstrate work ownership and focus to deliver on time. • 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. We'd Love for You to Have • Four plus years of development experience in C/C++, Linux/UNIX environment. • Good to have experience with GO language. • Excellent understanding of Data Structures and Algorithms. • Excellent problem-solving skills. • Being able to use generative AI-based tools and IDE for getting work done. • Understanding of different models at basic level. • Prompt engineering basics. • Knowledge of OS and system programming (multi-threading, multi-processing, memory management). • Troubleshoot any issues with existing features, live on production. • Ability to write clean, modular, and loosely coupled code. • Ability to understand end-to-end product functionality. • Ability to do software design for assigned tasks. • Working knowledge of scripting Perl/Python/Shell. • Working experience in databases, preferably MySQL. • Work closely with senior engineers to develop the best technical design and approach for new product development. • Excellent interpersonal, written, and verbal communication skills. • Proficiency in AI-assisted coding, automation, prompt engineering, and an understanding of the strengths and limitations of LLM-generated code is a strong plus 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! 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 s

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