Sr. Software Engineer, Platform

Irvine, CA / Los Angeles, CA / Seattle, Washington / San Francisco, CA
Technology & Development – Engineering /
Full-time /

Viant’s customers use the Demand Side Platform (DSP)to set up, run and monitor ad campaigns. The platform team owns a complex set of backend services and the frontend UI that makes up the DSP. These services are deployed in a distributed, multi-region, cloud-based infrastructure and use the latest technologies to handle the immensely complicated functionality that is part of any Demand Side Platform (DSP) such as Viant DSP. 

As a senior engineer on the Platform team, you will work on building software that solves complex problems while considering long-term strategy and direction. You will deliver simple, elegant, scalable, extensible solutions that strike the right balance between short-term and long-term considerations. You will design, develop, maintain and trouble software features with an eye on cost, scalability, performance and fault-tolerance. You will participate in design discussions, code reviews and bug triage / Root Cause Analysis (RCA) sessions.

Primarily supporting Viant’s DSP, you will collaborate with Product, other Engineering and Technical operations teams on the entire lifecycle from ideation to productization and beyond.


    • Designing, developing, testing, debugging, and deploying applications using various technologies in a hybrid cloud environment in AWS and GCE.
    • Writing SQL queries.
    • Write ETL jobs.
    • Solving complex performance problems, architectural challenges, and production issues.
    • Collaborate with product owners, fellow engineers, and operations team members.


    • Minimum B.S in computer science, mathematics, or related field.
    • 5+ years of professional experience in the software industry
    • Experience with OOP related languages like Java or Golang
    • Experience with web services or RESTful services or micro-services.
    • Experience with databases like MySQL or SQL Server or Oracle or Postgres.
    • Exposure or understanding of cloud-based, container-based, NoSQL, caching, queuing/pub-sub technologies preferred


    • Investing in our employee’s professional growth is important to us, but so is investing in their well-being. That’s why Viant was voted one of the BEST PLACES TO WORK!
    • Some our favorite employee benefits include fully paid health insurance, paid parental leave and unlimited PTO and more. View a list of our benefits here.
$130,000 - $180,000 a year
In accordance with California law, the range provided is Viant’s reasonable estimate of the compensation for this role. Final title and compensation for the position will be based on several factors including work experience and education.

Not the right position for you? Check out our other opportunities! 
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About Viant

Viant® (NASDAQ: DSP) is a leading people-based advertising technology company that enables marketers to plan, execute and measure omnichannel ad campaigns through a cloud-based platform. Viant’s self-service demand side platform (“DSP”) powers programmatic advertising across Connected TV, Linear TV, mobile, desktop, audio, gaming and digital out-of-home channels. As an organization committed to sustainability, Viant’s Adricity® carbon reduction program helps clients achieve their sustainability goals. In 2023, Viant was recognized by G2 as a Leader in the DSP category and as the Best Software in Marketing & Advertising, earned Great Place to Work® certification, and became a founding member of Ad Net Zero. Viant’s Co-Founders Tim and Chris Vanderhook were also recently named EY Entrepreneurs of the Year. 
Based in Irvine, CA, Viant has more than 334 employees in 10 offices around the U.S.  To learn more, please visit

Viant is an equal opportunity employer and makes employment decisions on the basis of merit.  Viant prohibits unlawful discrimination against employees or applicants based on race (including traits historically associated with race, such as hair texture and protective hairstyles), religion, religious creed, color, national origin, ancestry, physical disability, mental disability, medical condition, genetic information, marital status, sex, reproductive health decision making, gender, gender identity, gender expression, age, military status, veteran status, uniformed service member status, sexual orientation, transgender identity, citizenship status, pregnancy, or any other consideration made unlawful by federal, state, or local laws.  Viant also prohibits unlawful discrimination based on the perception that anyone has any of those characteristics, or is associated with a person who has or is perceived as having any of those characteristics.

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