Staff Software Engineer - Ad Serving

VIANT TECHNOLOGY; Los Angeles (CA); On-site; USD 160,000 - 200,000; Full time

Benefits offered by this job

Fully paid health insurance

Paid parental leave

Unlimited PTO

Job summary

Viant Technology is seeking a Staff Software Engineer for its Runtime team in Los Angeles, CA. You will lead the development and optimization of a high-volume ad server, delivering scalable, fault-tolerant software while guiding 2–3 engineers on projects.

The role emphasizes design reviews, RCA, and cross-team collaboration within Viant’s DSP ecosystem and cloud stack.

Qualifications

• 8+ years of professional software experience.
• Proficiency in GoLang and distributed systems design.
• Experience with relational databases and writing SQL.
• Knowledge of cloud technologies (AWS, GCP) and low-latency apps.

Responsibilities

• Drive development and continuous improvement of runtime projects.
• Provide technical leadership for multiple subsystems.
• Oversee SDLC from design to deployment with high impact delivery.
• Collaborate with product and other teams across lifecycle stages.

Skills

GoLang

MySQL

Oracle

SQL Server

AWS

GCP

Multithreading

Concurrency

Low-latency

AdTech

Education

Bachelor’s degree in Computer Science, Mathematics, or related field

Master’s degree preferred

Tools

MySQL

Oracle

SQL Server

AWS

GCP

Job description

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 inGoLang
• 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,orSQL Server), including writing SQL.
• Familiarity with cloud-based technologies, especiallyAWS(e.g., EC2, S3, Lambda, RDS) and GCP.
• Knowledge ofmultithreading,concurrency, andlow-latencyapplication development.
• Proven ability to identify and resolve project issues effectively and in a timely manner.
• Experience in theAdTechdomain 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.

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.

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file.

As set forth in Viant Technology’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service‑connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.