Front End Engineer

The Trade Desk is a global technology company and the world’s leading independent platform for digital advertising, with over 3,000 employees across more than 30 offices. Our technology helps advertisers reach the right audiences across the open internet — from streaming TV and podcasts to mobile apps, news, and more. 

Advertising powers the content people love. By making it more transparent, effective, and responsible, we help support trusted journalism, quality entertainment, and creators worldwide. The world’s brands and agencies rely on us to reach their customers and grow their businesses responsibly.

The scale of our platform brings unique technical challenges — from processing massive datasets in real time to building systems that operate reliably on a global scale. When you work here, your impact is worldwide. We welcome diverse perspectives, encourage curiosity, and build teams that learn from one another. If you’re driven to solve meaningful challenges, we’d love to meet you.

Job Title: Senior Front-End Engineer

Location: 42 N. Chestnut St., Ventura, CA 93001

*Telecommuting permitted: work may be performed within normal commuting distance from The Trade Desk, Inc. office in Ventura, CA.

Job Duties: Collaborate with business stakeholders, product managers, designers, researchers, and engineering peers to gather requirements, define feature scope, identify risks, prepare software designs and estimates for the work, and determine success criteria for new or updated functionality including defining and measuring KPIs. Monitor, troubleshoot, and improve existing software features by investigating issues, optimizing performance, and implementing enhancements or corrections as needed. Prepare high-level and detailed technical design documents for new features or system changes, and participate in design reviews with cross-team stakeholders. Develop and maintain front-end and back-end software components using technologies and frameworks such as JavaScript, TypeScript, React, C#, .NET, GraphQL and SQL. Understand system architecture fundamentals through self-directed learning, including understanding the business objectives behind the code. Validate software quality by applying automated and manual testing methodologies, reviewing test strategies, and ensuring documentation meets engineering standards. Participate in the full software development lifecycle, including planning, implementation, testing, deployment, validation and ongoing support of software features. Diagnose and debug large-scale distributed systems using observability tools such as New Relic, Grafana, or similar platforms, and implement dashboards and alerts to ensure system reliability. Build, maintain, and improve CI/CD pipelines and deployment workflows using DevOps tools such as GitLab or GitHub Actions. Deploy front-end and back-end applications using cloud and containerization technologies such as Docker, Kubernetes, Vercel, or comparable platforms. Enhance and maintain web-based user interface functionality, including investigating bugs, designing improvements, and implementing changes across database, API, and UI layers. Build and maintain software systems for demand-side advertising platforms, including integrations with brands, agencies, or other programmatic media buyers. Build and maintain software systems integrated with publishers and supply-side platforms, including programmatic auction workflows and supply integrations involving inventory signals, deal parameters, creative requirements, and reporting data. Conduct interviews for junior and senior software engineering candidates, including behavioral questions and technical coding evaluations, as well as assess candidates’ qualifications and participate in hiring discussions with interview panel.