Staff Software Engineer - Ad Serving

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 Serve r), 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: $140,000 - $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.

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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.

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