Sr. Full Stack Engineer

Overview

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 functionality that is part of Viant DSP.

As a senior engineer on the Platform team, you will work on building 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 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. 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.

The Day-to-Day

• 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 DevOps / 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.

Qualifications and Requirements

Life at Viant

$130,000 - $180,000 a year

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 Inc. (NASDAQ : DSP) is a leader in CTV and AI-powered programmatic advertising, dedicated to driving innovation in digital marketing. Viant’s omnichannel platform built for CTV allows marketers to plan, execute and measure their campaigns with unmatched precision and efficiency. With the launch of ViantAI, Viant is building the future of fully autonomous advertising solutions, empowering advertisers to achieve their boldest goals. Viant was recently awarded Best AI-Powered Advertising Solution and Best Demand-Side Platform by MarTech Breakthrough, Great Place to Work certification and received the Business Intelligence Group’s AI Excellence Award. Viant is an equal opportunity employer and makes employment decisions on the basis of merit. Viant prohibits unlawful discrimination as described in its policy. Viant also prohibits unlawful discrimination based on various characteristics as described in its policy.

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, religion, color, national origin, ancestry, physical or mental disability, medical condition, genetic information, marital status, sex, gender, age, military status, sexual orientation, or any other characteristic protected by law. Viant also prohibits unlawful discrimination based on perception of those characteristics.

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