Software Engineer II - Custom Solutions

The Trade Desk • Bellevue, WA

59d

About The Position

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.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. 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. If you're excited about enabling advertisers through tailored innovation and scalable platform extensions, we'd love to hear from youIn addition to the core responsibilities as Software Engineer, you will specifically:

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
• Good communication skills for alignment on technical decisions and standard practices across R&D teams
• 4+ years of software development experience, with experience building production systems at scale
• Bachelor's or Master's degree in Computer Science, Engineering, or equivalent experience

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
• Identify opportunities to standardize patterns to accelerate future solution delivery

Benefits

• 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
• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Industry: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
• Number of Employees: 1,001-5,000 employees