Principal Software Engineer

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 make 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. You will serve as the technical lead working with a team of engineers to oversee the design and implementation of these interconnected services, ensuring that the system evolves to keep pace with the speed, scale and agility that modern day systems are expected to support. You will have the opportunity to mentor team members and contribute towards the success of Viant’s products. Primarily supporting Viant DSP, you will collaborate with Product, Engineering and Technical operations teams on spec creation and providing production support.


    • Determine a long-term technical vision and scope of future projects, while continuously developing and reviewing existing projects. 
    • Lead end-to-end product development efforts for Viant DSP’s suite of products.
    • Own & contribute to major features & areas of the products.
    • Work closely with cross-functional teams internally as well as customers externally to understand pain points, underserved needs, and identify opportunities.
    • Mentor engineers who thrive working in an innovative, user-focused, fast paced environment.
    • Drive initiatives to reduce operational load, and build operationally sustainable products.


    • Must have experience in the AdTech domain OR possess strong proficiency in the Go programming language.
    • 12+ years of professional experience in the software industry.
    • Experience with web services, microservices, or other SOA
    • Relational database experience, such as MySQL, Postgres, or Oracle, and experience with complex SQL


    • Bachelor’s degree in Mathematics, Computer Science or related field.
    • Solid understanding of data structures and algorithms.
    • Knowledge of modern programming languages, especially Java and Go.
    • Knowledge of cloud based technologies, especially AWS, Azure or GCP.
    • Hands on experience designing, building and delivering high quality scalable, operationally sustainable software.
    • Ad tech industry experience is a plus.
    • NoSQL experience is a plus


    • 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.
$200,000 - $260,000 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

For over 25 years, Viant® (NASDAQ: DSP) has been at the forefront of technology innovation for advertisers. As a premier enterprise-grade Demand Side Platform, Viant excels in delivering omnichannel digital advertising, driving growth through connected television (CTV), advanced identity solutions, and AI-driven Autonomous Advertising. Through the Adtricity® sustainability program, Viant champions a more sustainable future for digital advertising. Headquartered in Irvine, CA, Viant has received accolades from G2 as the Best Software in Marketing & Advertising, Great Place to Work® certification, and the Business Intelligence Group’s Innovation award for AI advancements. Learn more at

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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