PubMatic

Principal Software Engineer - PubMatic AgenticOS (Buy Side Bidding Platform)

PubMatic
Apply
21 days ago
Redwood City, CA, USAStaff+
H1B sponsor

Responsibilities

  • Architect, design, and build high-throughput, ultra-low-latency real-time bidding systems for buy-side advertising platforms.
  • Lead bidder services handling millions of queries per second using Golang, C, and C++.
  • Develop campaign pacing, budget management, delivery optimization, auction participation, bid shading, and supply path optimization systems.
  • Build real-time and near-real-time data pipelines for impressions, clicks, conversions, and attribution.
  • Collaborate with ML engineers to productionize bid optimization, contextual bandit, reach forecasting, and incrementality models.
  • Integrate and maintain OpenRTB, VAST, and CTV programmatic advertising standards.
  • Drive architecture for scalability, fault tolerance, data consistency, and latency optimization.
  • Perform production profiling, latency tuning, and distributed-systems debugging.
  • Mentor engineers, establish coding and design standards, lead technical reviews, and influence technical direction.

Requirements

  • At least eight years of software engineering experience with significant ad tech, performance advertising, or DSP bidder experience.
  • Strong hands-on Golang experience building low-latency, high-scale backend systems.
  • Experience designing and operating real-time bidding platforms, bidders, or ad-serving systems.
  • Deep understanding of campaign pacing, budget allocation, and performance optimization algorithms.
  • Experience with Kafka, Flink, or Spark Streaming and distributed systems.
  • Familiarity with OpenRTB, VAST, and programmatic advertising workflows.
  • Knowledge of SQL, PostgreSQL, and large-scale analytics platforms such as Snowflake or BigQuery.
  • Experience with AWS, GCP, or Azure and containerized environments using Docker and Kubernetes.
  • Strong foundations in data structures, algorithms, and distributed-system design.
  • Ability to own systems end-to-end, influence architecture, collaborate cross-functionally, and mentor engineers.
  • Bachelor’s degree in engineering, such as Computer Science or Information Technology, or an equivalent degree from a recognized institution.

Benefits

  • Hybrid work schedule with three days in the office and two days working remotely.
  • Paid leave programs and paid holidays.
  • Healthcare, dental, vision, disability, and life insurance.
  • Commuter benefits, physical and financial wellness programs, and unlimited DTO in the US.
  • Mobile reimbursement, fully stocked pantries, and in-office catered lunches five days per week.

Categories

PubMatic

About PubMatic

1,001-5,000 employees

PubMatic builds a sell-side programmatic advertising platform that helps digital publishers and commerce media networks monetize display, mobile, video, and in‑app inventory by connecting them with DSPs and buyers. Its business model centers on fees from real-time ad auctions and related services, including RTB, yield optimization, and AI-driven decisioning. Founded in 2006, the company is headquartered in Redwood City, California, and is listed on NASDAQ under the ticker PUBM.

Contact me