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Demand Side Platform Jobs in California (NOW HIRING)

Viant Technology

Principal Software Engineer

Irvine, CA

$190K - $260K/yr

WHAT YOU'LL DO 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 ...

Viant Technology

Principal Software Engineer

Irvine, CA · On-site

$190K - $260K/yr

WHAT YOU'LL DO 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 ...

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How much do demand side platform jobs pay per year?

As of Aug 31, 2026, the average yearly pay for demand side platform in California is $100,134.00, according to ZipRecruiter salary data. Most workers in this role earn between $84,900.00 and $118,400.00 per year, depending on experience, location, and employer.

What is a demand side platform?

A Demand Side Platform (DSP) job typically involves managing and optimizing digital advertising campaigns using automated software. Professionals in this role work with advertisers to purchase ad inventory in real-time through programmatic bidding. Responsibilities may include campaign setup, performance analysis, audience targeting, and budget management. Strong analytical skills and familiarity with digital marketing tools are essential. This role is common in ad tech companies, agencies, and brands focused on data-driven advertising.

What are the daily responsibilities in a demand side platform role?

In a DSP role, you’ll typically be responsible for setting up, optimizing, and monitoring programmatic advertising campaigns through self-serve platforms. Daily tasks often include analyzing performance metrics, adjusting targeting parameters, allocating budgets, and troubleshooting delivery issues to maximize ROI. You may also collaborate closely with account managers, creative teams, and data analysts to ensure campaign strategies align with client goals. The role requires staying up-to-date on industry best practices and platform updates, and regularly reporting on performance to both internal and external stakeholders. This dynamic environment offers valuable experience in digital marketing and data-driven decision-making.

What are the key skills and qualifications needed to thrive in the demand side platform position?

To thrive in a Demand Side Platform (DSP) role, you need strong analytical abilities, a solid understanding of digital advertising, and experience in programmatic media buying, often supported by a degree in marketing, business, or a related field. Proficiency with DSP technologies such as The Trade Desk, Google DV360, or MediaMath, as well as familiarity with analytics tools and digital campaign management platforms, is crucial. Exceptional organizational skills, attention to detail, and effective communication help professionals excel when managing large-scale campaigns and collaborating with clients or other teams. These skills are essential for optimizing performance, ensuring campaign delivery, and achieving business objectives in a fast-paced ad tech environment.

What does a demand side platform do?

A demand side platform (DSP) is a digital advertising technology that allows advertisers to buy and manage ad inventory across multiple ad exchanges through a single interface. It automates the process of real-time bidding (RTB) to target specific audiences, optimize ad campaigns, and improve ad performance. Working with data analysis and programmatic advertising tools is essential for DSP roles.

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Infographic showing various Demand Side Platform job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $100,134 per year, or $48.1 per hour.

Principal Software Engineer

Irvine, CA

Viant Technology
Marketing • 201 - 500 employees
Learn more about Viant Technologyexternal

$190K - $260K/yr

Full-time

Medical, PTO

Re-posted 27 days ago

Job description

WHAT YOU'LL DO

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.
THE DAY-TO-DAY
  • 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
  • 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
GREAT TO HAVE
  • 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
LIFE AT VIANT

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 and some of our favorite employee benefits include fully paid health insurance, paid parental leave and unlimited PTO and more. 

Base compensation range: $190,000 - $260,000
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.

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