Sr. Full Stack Engineer

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 makes 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.

As a senior engineer on the Platform team, you will build software that solves complex problems while considering long‑term strategy and direction. 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 troubleshoot 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.

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

• Collaborate with product managers, designers, and other engineers to develop and deliver end‑to‑end features across the stack — from responsive UIs in Angular/React to scalable backend services in Java and Go.
• Build and maintain APIs and backend microservices deployed in cloud environments (AWS and GCP), ensuring reliability, performance, and security.
• Write clean, maintainable, and testable code following best practices in modern software development, including automated testing and CI/CD pipelines.
• Write optimized SQL queries to support application functionality, reporting, ETL and analytics needs.
• Participate in regular code reviews, design discussions, and agile ceremonies (stand‑ups, sprint planning, retrospectives).
• Collaborate closely with Dev Ops/Cloud Engineering to ensure smooth deployments, infrastructure as code, and high system availability.
• Proactively identify areas of improvement in the codebase and contribute to technical roadmaps and refactoring initiatives.

• Minimum B.S in computer science, mathematics, or related field.
• 5+ years of professional experience in the software industry.
• Experience with OOP related languages like Java or Golang.
• Experience with client‑side technologies / frameworks like HTML, JavaScript, AJAX, jQuery, Angular, React, etc.
• Experience with web services or RESTful services or micro‑services.
• Experience with databases like MySQL or SQL Server or Oracle or Postgres.
• Exposure or understanding of cloud‑based, container‑based, No
  
  SQL, caching, queuing/pub‑sub technologies preferred.

• 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!
• Some of our favorite employee benefits include fully paid health insurance, paid parental leave and unlimited PTO and more. View a list of our benefits here.

$130,000 - $180,000

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.

Seniority level:
Mid‑Senior level.

Employment type:

Full‑time. Industries:
Advertising Services.

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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