• Design, build, and ship full-stack features using modern frameworks (e.g., React/Next.js) • Develop and maintain scalable backend services and APIs (e.g., Python-based frameworks) • Work with relational databases (e.g., Postgres) to model, store, and query data • Deploy and manage applications in cloud and serverless environments • Monitor, debug, and improve application performance and reliability using modern tooling • Analyze user behavior and product metrics to inform product decisions • Implement authentication and user management flows using third-party services • Collaborate closely with a small team on architecture, product direction, and technical tradeoffs • Contribute to rapid iteration cycles while maintaining strong engineering standards • Leverage AI tools to accelerate development, testing, and problem-solving

Job Title: Lead Senior Software Engineer Location: 10770 NE 8th St., Suite 700, Bellevue, WA 98004 *Telecommuting permitted: work may be performed within normal commuting distance from The Trade Desk, Inc. office in Bellevue, WA. Job Duties: Design, maintain, and optimize GitLab CI/CD pipelines to ensure fast, reliable, and scalable build and deployment processes. Build and maintain internal tools (CLIs, dashboards, bots) that automate workflows and improve developer productivity. Implement monitoring and alerting systems for build health, test reliability, and performance regressions using tools like Prometheus or Grafana. Maintain and improve local development environments and onboarding processes to ensure consistency and ease of use. Create and maintain internal documentation and lead training sessions to educate developers on tools, systems, and workflows. Partner with engineering, SRE, and security teams to gather feedback and continuously improve developer experience and tooling. Research, evaluate, and pilot new technologies and workflows that enhance developer productivity and code quality. Manage junior engineers on technical work, give regular feedback and perform semi-annual reviews. Salary: $212,202 - $274,700/year Job Requirements: Bachelor's degree (U.S. or foreign equivalent) in Computer Science, Computer Engineering or related field and six (6) years of experience in the job offered or related role. Must have four (4) years of experience with one or more of the following programming languages: C#, Java, C, C++, Python, SQL. Must have four (4) years of experience with: design patterns and software architecture design patterns; and building micro-services. Must have three (3) years of experience managing self-hosted GitLab and GitLab runners. Must have two (2) years of experience with: Kubernetes; cloud computing; and managing multiple CI systems and migrating CI to Gitlab. Must have one (1) year of experience mentoring junior software engineers. #LI-DNI #DNI CO, CA, IL, NY, WA, and Washington DC residents only: In accordance with CO, CA, IL, NY, WA, and Washington DC law, the range provided is The Trade Desk's reasonable estimate of the base compensation for this role. The actual amount may differ based on non-discriminatory factors such as experience, knowledge, skills, abilities, and location. All employees may be eligible to become The Trade Desk shareholders through eligibility for stock-based compensation grants, which are awarded to employees based on company and individual performance. The Trade Desk also offers other compensation depending on the role such as variable compensation-based incentives and commissions. Plus, expected benefits for this role include comprehensive healthcare (medical, dental, and vision) with premiums paid in full for employees and dependents, retirement benefits such as a 401k plan and company match, short and long-term disability coverage, basic life insurance, well-being benefits, reimbursement for certain tuition expenses, parental leave, sick time of 1 hour per 30 hours worked, vacation time for full-time employees up to 120 hours thru the first year and 160 hours thereafter, and around 13 paid holidays per year. Employees can also purchase The Trade Desk stock at a discount through The Trade Desk’s Employee Stock Purchase Plan. The Trade Desk also offers a competitive benefits package. Click here to learn more. Note: Interns are not eligible for variable incentive awards such as stock-based compensation, retirement plan, vacation, tuition reimbursement or parental leave At the Trade Desk, Base Salary is one part of our competitive total compensation and benefits package and is determined using a salary range. The base salary range for this role is $212,202—$274,700 USD As an Equal Opportunity Employer, The Trade Desk is committed to creating an inclusive hiring experience where everyone has the opportunity to thrive. Please reach out to us at accommodations@​thetradedesk.​com to request an accommodation or discuss any accessibility needs you may require to access our Company Website or navigate any part of the hiring process. When you contact us, please include your preferred contact details and specify the nature of your accommodation request or questions. Any information you share will be handled confidentially and will not impact our hiring decisions.

• Design and implement fault-tolerant and robust cloud infrastructures in AWS. • Design and implement CI/CD for a multi-account, multi-service environment. • Build tools for engineers that make them more efficient and simplify the development process. • Collaborate with other engineers and stakeholders to share knowledge and build expertise • Write clean, high-quality code and tests to keep our system fast, reliable, and monitorable. • Lead and participate in development life cycle activities like design, coding, testing and production release. • Contribute to our evolving engineering standards, tooling, and processes. • Mentor other engineers and deeply review code.

• Own and lead the technical direction of Harvey in Word, our flagship Office Add-in product, alongside our other Microsoft Office integrations. • Build the AI-native editing experience: agentic document rewrites, real-time redlining, and playbook automation that transforms how lawyers work • Design and build sophisticated integrations with Microsoft Word using the OfficeJS API, including document manipulation, playbook reviews, and AI-assisted drafting • Architect scalable, maintainable solutions that handle the constraints and quirks of the Office Add-in environment across platforms (Windows, Mac, Web) • Build polished, high-performance interfaces with crisp interactions and resilient error handling • Collaborate with product, design, and backend teams to shape APIs and UX for AI-powered features like streaming results and tool-calling workflows • Navigate Office Add-in requirement sets, versioning, and cross-platform compatibility to ensure broad, reliable support • Contribute to Harvey in Outlook and shape the next generation of agentic AI interfaces across the Microsoft suite • Mentor engineers, drive technical decisions, and raise the bar on quality and developer experience