Redwood City, CA
501-1,000 employees
PubMatic (Nasdaq: PUBM) is an independent technology company maximizing customer value by delivering digital advertising’s supply chain of the future.

Principal Software Engineer - Big Data, Java, Hadoop

Principal Software Engineer - Big Data, Java, Hadoop

Company Description

“PubMatic delivers superior revenue to publishers by being an SSP of choice for agencies and advertisers. PubMatic’s cloud infrastructure platform for digital advertising empowers app developers and publishers to increase monetization while enabling media buyers to drive return on investment by reaching and engaging their target audiences in    brand-safe, premium environments across ad formats and devices. Since 2006, PubMatic has been expanding its owned and operated global infrastructure and continues to cultivate programmatic innovation. With a   globally distributed workforce and no corporate headquarters, PubMatic operates 16 offices and eight data centers across North America, Europe, and Asia Pacific.”

Job Description

PubMatic is hiring a Principal Software Engineer  to join our growing team in Redwood City.

In this role, you will be directly involved with building groundbreaking new technologies to leapfrog competition within our competitive, fast-paced online advertising industry.

The Principal Software engineer will be working on PubMatic data Platform. This platform processes 1.65 Peta Bytes of uncompressed data daily and over all manages more than 100 Peta Bytes of data in the cluster.

We are looking for self-motivated developers who enjoy working in dynamic, agile development environments as an individual contributor in the team.


  • 5 to 12  years of product development experience in Java
  • 2+ years of experience in Hadoop (HSDFS) and Spark
  • Excellent problem solving and analytical skills
  • Excellent interpersonal, written, and verbal communication skills
  • Working experience with building a highly scalable application using Core Java and Data structures
  • Working experience in a Linux/UNIX environment is mandatory
  • Familiarity with version control systems Git and build tools like Maven
  • Experience in troubleshooting production applications
  • BE/BTech/BS/BCS/MCS/MCA in Computers or equivalent

Primary (Mandatory) Skills: 

  • Core Java, Hadoop, Spark, Big Data
  • Excellent problem solving and analytical skills.  

Good to have

  • Scala, Kafka, Kubernetes, Docker.  

Duties and Responsibilities:

  • He / She will be responsible for architect, design and develop software modules in various parts of the system architecture
  • Come up with ideas and execute them to scale the platform in a stable way
  • Understand system architecture and design
  • To develop portable, high performance, and bug-free code
  • Convert the business stories into technical solutions
  • Cultivate sustained innovation to deliver exceptional products to customers
  • Ensure timely and top-quality product delivery
  • Ensure that the end product is fully and correctly defined and documented
  • Ensure implementation/continuous improvement of formal processes to support product development activities
  • Drive the architecture/design decisions needed to achieve cost-effective and high-performance results
  • Conduct feasibility analysis, produce functional and design specifications of proposed new features
  • Provide helpful and productive code reviews for peers and junior members of the team.
  • Troubleshoot complex issues discovered in-house as well as in customer environments

Additional Information

Coronavirus notice: PubMatic is actively working to ensure candidate and employee safety. Currently, all hiring and onboarding processes at PubMatic will be carried out remotely (working from home/WFH) through virtual meetings until further notice.

Benefits: Our benefits package includes the best of what leading organizations provide, such as stock options, paternity/maternity leave, plus many extra perks. As well, when we’re back in the office, we all benefit from a kitchen loaded with healthy snacks and drinks and catered lunches twice a week, 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 status.


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