Sr. Full Stack Engineer

WHAT YOU’LL DO Viant’s customers use our Demand Side Platform (DSP) to plan, execute, and monitor digital advertising campaigns. The Platform team owns the user experience and supporting systems that power this product. As a Senior Engineer with a frontend focus, you will lead the development of complex, data-driven user interfaces in Angular or React, with a strong emphasis on state management, data flow, and performance at scale. You’ll work with large datasets and real-time campaign data, ensuring that the UI remains responsive, consistent, and accurate. You will collaborate across Product, Design, and Engineering to build intuitive experiences, while also working with backend systems and data layers to ensure efficient data access and correctness. THE DAY-TO-DAY Design, develop, and maintain scalable Angular applications using TypeScript Architect and implement robust state management solutions Model and manage complex client-side data flows, ensuring consistency across views and interactions Build data-intensive UI features such as dashboards, reporting tools, and campaign management workflows Write and optimize SQL queries to support application functionality, reporting, and debugging of data-related issues Partner with backend engineers to ensure efficient API design and data contracts Analyze and troubleshoot data discrepancies across frontend, APIs, and database layers Optimize frontend performance, especially around large datasets and real-time updates Build reusable UI components and shared frontend libraries Write unit and end-to-end tests for both UI behavior and state logic Participate in code reviews, design discussions, and agile ceremonies QUALIFICATIONS AND REQUIREMENTS 5+ years of professional software engineering experience with a strong frontend focus Deep experience with Angular and TypeScript Strong expertise in state management patterns Experience building data-heavy, interactive applications (e.g., dashboards, analytics tools) Solid understanding of asynchronous data flows, event-driven architectures, and client-side data modeling Proficiency in writing and optimizing SQL queries for application support, reporting, or debugging Experience working with RESTful APIs and understanding backend data models Strong debugging skills across frontend, API, and database layers Familiarity with testing frameworks (Jest, Cypress, etc.) Solid foundation in HTML, CSS, and responsive design NICE TO HAVE: Experience with backend technologies such as Java or Go Familiarity with cloud environments (AWS, GCP) and distributed systems Experience with data visualization tools or libraries Exposure to ETL processes or analytics pipelines 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 ! Some our favorite employee benefits include fully paid health insurance , paid parental leave and unlimited PTO and more. View a list of our benefits here . Base compensation range: $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. Not the right position for you? Check out our other opportunities! Viant Careers #LI-KW1 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. By clicking “Apply for this Job” and providing any information, I accept the Viant California Personnel Privacy Notice.

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