Senior Software Engineer - Data & Statistics

Senior Software Engineer - Custom Solutions

We design and build custom solutions that extend our platform’s capabilities, with a focus on quality, reusability, and customer success. From client-facing applications and backend services to data science models, workflow automation, reports, and large-scale data workflows, we deliver end-to-end systems that drive advanced campaign optimization, actionable analytics, and robust data operations at global scale.

What We Do

We are a small, high impact team that strategically enables advertisers to unlock advanced capabilities, we solve unique partner needs, shape technical patterns that benefit the wider platform. Whether it’s enabling advanced bidding strategies, streamlining data pipelines, or creating bespoke reporting experiences, we build with quality and scale in mind.

We value a culture of collaboration, innovation, and learning. Here, engineers invent and simplify as they extend platform capabilities, striking the right balance between reusability and customization while partnering closely with clients and cross-functional teams.

What you’ll do :

This role is ideal for someone passionate about building innovative, data-driven solutions in the programmatic advertising space. You thrive in a high-scale, data-intensive environment where client needs are diverse, and you will play a key role in designing reusable patterns and standardized components that accelerate future solution delivery.

• Drive architecture and design for end-to-end systems within Custom Solutions, influencing platform patterns and best practices across teams
• Develop custom APIs and backend services that integrate seamlessly with the core platform
• Optimize data storage, retrieval, and API performance for global-scale programmatic workloads
• Apply best practices in software engineering across the stack for scalability, maintainability, and resilience
• Create and maintain data processing workflows and automation solutions to support large-scale advertiser operations
• Collaborate with data scientists to integrate productionized models and algorithms into full-stack systems for advanced bidding and analytics
• Implement monitoring, logging, and observability across frontend and backend systems to maintain reliability and performance
• Design and build client-facing applications with responsive, intuitive UIs using frontend frameworks
• Identify opportunities to standardize patterns to accelerate future solution delivery

Who you are :

Our culture is much deeper than just having fun together. We take pride in our engineers being trust-builders, generous givers, scrappy problem solvers, and gritty pursuers of excellence. You do not have to meet all the requirements below, but we believe that people who meet most of them will have a higher likelihood of succeeding in this role :

As an Equal Opportunity Employer, The Trade Desk is committed to making our job application process accessible to everyone and to providing reasonable accommodations for applicants with disabilities. If you have a disability or medical condition and require an accommodation for any part of the application or hiring process, please contact us.

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