Viant Technology

Staff Software Engineer - Ad Serving

Posted 9 Days Ago

Be an Early Applicant

2 Locations

In-Office

160K-200K Annually

Senior level

Marketing Tech

The Role

Staff Software Engineer responsible for designing, developing, and leading high-volume, low-latency ad-serving runtime systems. The role focuses on scalability, performance, fault tolerance, distributed systems, bid optimization, self-healing architecture, and full software lifecycle ownership. Responsibilities include technical leadership, design reviews, code reviews, bug triage, root-cause analysis, cross-functional collaboration, and guiding projects involving multiple engineers.

Summary Generated by Built In

WHAT YOU’LL DO

As a Staff Software Engineer on our Runtime team, you will work directly with Viant’s ad server, managing a high-volume, low-latency application that processes billions of unique requests a day. This role offers a great opportunity to work with state-of-the-art technology as part of bid optimization, dynamic performance optimization, as well as develop a self-diagnostic and healing architecture. In this role, 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. You will have the opportunity to be the technical lead of projects that involve 2-3 other engineers.

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

THE DAY-TO-DAY

Drive the development and continuous improvement of existing projects while shaping the vision and scope of future initiatives.
Collaborate with internal teams to design, build, and refine a highly reliable, highly available, low-latency runtime platform.
Own and provide technical leadership for multiple subsystems of the runtime platform, ensuring scalability, performance, and fault tolerance.
Oversee and guide all phases of the software development lifecycle, from design to deployment, with a focus on delivering high-impact solutions.

MUST HAVE

8+ years of professional experience in the software industry.

GREAT TO HAVE

Bachelor’s degree in Computer Science, Mathematics, or a related field (Master’s degree preferred).
Proficiency in GoLang
Expertise in designing, building, and delivering high-quality, scalable, and high-performance distributed systems, including developing detailed design specifications.
Experience with relational databases (e.g., MySQL, Oracle, or SQL Server), including writing SQL.
Familiarity with cloud-based technologies, especially AWS (e.g., EC2, S3, Lambda, RDS) and GCP.
Knowledge of multithreading, concurrency, and low-latency application development.
Proven ability to identify and resolve project issues effectively and in a timely manner.
Experience in the AdTech domain is preferred.

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: $160,000 - $200,000

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.

#LI-AM1

About Viant

Viant Technology (NASDAQ: DSP) is an exclusively buy-side, AI-powered advertising platform purpose-built for CTV. Viant uniquely combines proprietary content intelligence, household-level identity resolution, and person-level attention signals to connect advertisers with real customers and drive measurable outcomes across the open internet. Through its award-winning AI solutions, Viant is building the future of autonomous advertising, where AI doesn't just assist the campaign, it delivers real results. Learn more at viantinc.com.

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.

By clicking “Apply for this Job” and providing any information, I accept the Viant California Personnel Privacy Notice.

Skills Required

8+ years of professional software industry experience
Bachelor’s degree in Computer Science, Mathematics, or a related field
Master’s degree
Proficiency in Go
Experience designing, building, and delivering scalable, high-performance distributed systems
Experience developing detailed software design specifications
Experience with relational databases such as MySQL, Oracle, or SQL Server, including writing SQL
Familiarity with AWS cloud technologies, including EC2, S3, Lambda, and RDS
Familiarity with GCP
Knowledge of multithreading, concurrency, and low-latency application development
Ability to identify and resolve project issues effectively and promptly
AdTech experience

View all jobs at Viant Technology

View Viant Technology Profile

Report Job

Am I A Good Fit?

beta

Get Personalized Job Insights.

Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company

HQ: Irvine, CA

315 Employees

Year Founded: 1999

What We Do

Viant® is a publicly traded (Nasdaq: DSP) people-based advertising software company that enables ad buyers to plan, create, execute, and measure their omnichannel digital advertising investments. Its self-service DSP for omnichannel advertising, Adelphic®, provides the ability to execute programmatic advertising campaigns across TV, mobile, desktop, audio, digital out-of-home, and is the only DSP with IPv6 support for CTV environments. Viant’s proprietary, first-party data is linked to 115 million households, over 1 billion connected devices, and is combined with access to more than 280,000 audience attributes from more than 70 people-based data partners to enable scaled and accurate audience targeting and attribution. Viant is an Inc. Best Places to Work award winner and Adelphic is featured on AdExchanger’s Programmatic Power Players list.