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.
- 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
- 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
- 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
- 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.
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.
Skills Required
- 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
- Proficiency in writing and optimizing SQL queries
- Experience working with RESTful APIs
- Strong debugging skills across frontend, API, and database layers
- Familiarity with testing frameworks like Jest, Cypress
- Solid foundation in HTML, CSS, and responsive design
What We Do
Viant® is a publicly traded (Nasdaq: DSP) people-based advertising software company that enables ad buyers to plan, create, execute, and measure their omnichannel digital advertising investments. Its self-service DSP for omnichannel advertising, Adelphic®, provides the ability to execute programmatic advertising campaigns across TV, mobile, desktop, audio, digital out-of-home, and is the only DSP with IPv6 support for CTV environments. Viant’s proprietary, first-party data is linked to 115 million households, over 1 billion connected devices, and is combined with access to more than 280,000 audience attributes from more than 70 people-based data partners to enable scaled and accurate audience targeting and attribution. Viant is an Inc. Best Places to Work award winner and Adelphic is featured on AdExchanger’s Programmatic Power Players list.
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