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

Pune💼 Full-time🗓 2026-04-30 → 2026-09-26

Core

Design and implement next-generation, highly scalable, and low-latency ad server features handling 1 trillion+ requests per day.

Role type

Senior Software Engineer (C/C++, Linux/Unix, Cloud)

Builds

High-scale ad server infrastructure for digital advertising platforms

Domain

Digital Advertising / High-Performance Systems

Deliverable

production ML models | product features

Required skills

C/C++, Linux/Unix system programming, Data Structures and Algorithms, Multi-threading, Multi-processing, Memory management, Database design (MySQL), Software architecture design, Troubleshooting production issues, Scripting (Perl/Python/Shell)

Preferred skills

Go language, Generative AI tools usage, Prompt engineering, AI-assisted coding, End-to-end product understanding

Technologies

C/C++, Linux, Unix, MySQL, GitHub Copilot, ChatGPT, Claude, Cursor, Windsurf, Perl, Python, Shell

Responsibilities

Design and implement scalable ad server features, Troubleshoot live production issues, Write clean and modular code, Collaborate with teams on technical design, Leverage AI tools to accelerate development

Seniority

Senior, hands-on IC

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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.