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The Trade Desk Logo

Software Engineer II - Custom Solutions

The Trade Desk

$103,200 - $189,200
Dec 9, 2025
Bellevue, WA, US • San Jose, CA, US
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At The Trade Desk, 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.

Requirements

  • Experience designing and building scalable distributed systems across client-facing applications, backend services, and data workflows
  • Proven ability to define architecture and technical choices for end-to-end systems
  • Proficiency in one or more programming languages such as Python, Java, C, or Scala
  • Understanding of data modeling concepts and experience with relational and cloud data warehouses (e.g., Snowflake, Vertica)
  • Some familiarity with big data technologies (e.g., Apache Spark, Kafka) and best practices for building resilient, high-performance systems
  • Track record of delivering projects with small/medium levels of technical ambiguity
  • 4+ years of software development experience, with experience building production systems at scale

Responsibilities

  • 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
  • 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

Other

  • Our culture is much deeper than just having fun together (though we do that well, too). We take pride in our engineers being trust-builders, generous givers, scrappy problem solvers, and gritty pursuers of excellence.
  • Good communication skills for alignment on technical decisions and standard practices across R&D teams
  • What we care about is that you can learn quickly and find solutions to complex problems using the optimum tools for the job. What you know is less important than how well you learn and innovate.
  • CO, CA, IL, NY, WA, and Washington DC residents only:
  • As an Equal Opportunity Employer, The Trade Desk is committed to creating an inclusive hiring experience where everyone has the opportunity to thrive.