Senior Software Engineer, Performance Advertising Platforms

What You'll Do:

• Design, build, and optimize
  low-latency, fault-tolerant real-time systems
  for ad serving, bidding, and performance optimization.

• Develop
  high-throughput data pipelines
  for click, conversion, and attribution events using Kafka, Spark, or Flink.

• Implement
  real-time bidding algorithms
  , pacing, budget management, and supply path optimizations.

• Work with
  deal curation and audience targeting components
  , integrating with forecasting and attribution services.

• Develop backend services and APIs for activation, reporting, and optimization workflows.

• Collaborate with
  ML engineers
  to productionize models (e.g., bid shading, contextual bandits, reach forecasting).

• Integrate with major programmatic protocols (OpenRTB, VAST, CTV-specific standards).

• Ensure
  data quality, governance, and privacy compliance
  across the performance advertising stack.

• Perform code reviews, latency tuning, and troubleshoot distributed system issues at scale.

• Drive innovation by evaluating and implementing
  new ad tech tools, auction strategies, and optimization frameworks
  .

Who You Are:

• Possess 4+ years of experience
  in software engineering with a focus on
  ad tech / performance advertising systems
  .

• Strong programming skills in
  Java
  or
  Scala
  (Python a plus).

• Hands-on experience with
  real-time streaming frameworks
  (Kafka Streams, Flink, Spark Streaming) and
  distributed systems
  .

• Familiarity with
  programmatic advertising protocols
  (OpenRTB, VAST) and campaign delivery workflows.

• Proficiency in
  SQL
  and experience with large-scale analytics platforms (Snowflake, BigQuery, or similar).

• Practical experience in
  low-latency system design
  and performance tuning.

• Exposure to
  attribution modeling, incrementality measurement, and performance KPIs
  (CPA, ROAS, CTR, CVR).

• Understanding of
  cloud platforms
  (AWS, GCP, Azure) and container orchestration (Docker, Kubernetes).

• Strong foundation in
  data structures, algorithms, and distributed architecture
  .

• Experience working closely with
  product managers, data scientists, and analytics teams
  in ad tech.

• Proven ability to
  own projects end-to-end
  and deliver high-quality, scalable solutions.

Additional Information

Return to Office: PubMatic employees throughout the globe 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, paid leave programs, paid holidays, healthcare, dental and vision insurance, disability and life insurance, commuter benefits, physical and financial wellness programs, unlimited DTO in the US (that we actually require you to use!), reimbursement for mobile and fully stocked pantries plus in-office catered lunches 5 days per week.

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.

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