Software Engineer; Back End

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, and to develop a self‑diagnostic and healing architecture. In this role, you will deliver simple, elegant, scalable, and extensible solutions that balance short‑term and long‑term considerations.

You will design, develop, maintain, and troubleshoot software features with an eye on cost, scalability, performance, and fault‑tolerance, participate in design discussions, code reviews, and bug triage / Root Cause Analysis sessions, and have the opportunity to be the technical lead of projects involving 2–3 other engineers.

• 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.

• 8+ years of professional experience in the software industry.

• 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) and 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 promptly.
• Experience in the AdTech domain is preferred.

We invest in our employees’ professional growth and well‑being. Our benefits include fully paid health insurance, paid parental leave, unlimited PTO, and more.

Base compensation range: $150,000 – $205,000. In accordance with California law, the range is our reasonable estimate; final title and compensation will depend on experience and education.

Viant is an equal‑opportunity employer and prohibits unlawful discrimination based on race, religion, 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 or is perceived as having any of those characteristics, or is associated with a person who has or is perceived as having those characteristics.

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