Staff Backend Engineer — Scale, Reliability & AI

The Trade Desk, Inc.; London; On-site; NOK 1,521,000 - 2,282,000; Full time

Job summary

The Trade Desk London office is seeking a Staff software engineer to own and shape backend systems for a high-traffic data platform. You will architect, implement, and operate services at scale while mentoring engineers and guiding cross-team coordination.

You’ll work on GraphQL and REST APIs, distributed systems, and data-driven features that power global advertising. This role emphasizes leadership, ownership, and technical excellence in a fast-paced environment.

Qualifications

• Experience as a Staff engineer or equivalent senior IC with backend focus.
• Proven track record building and operating backend systems at scale.
• Experience designing or building GraphQL and REST APIs.

Responsibilities

• Design, build, and operate backend systems for high-traffic data platform.
• Mentor engineers and drive engineering best practices.
• Lead technical direction and cross-team collaboration.
• Represent technical needs in planning and governance.

Skills

Staff engineer

Backend systems

Distributed systems

GraphQL APIs

REST APIs

C#/.NET

SQL

Mentoring

Leadership

Tools

Git

Job description

The Trade Desk London office is seeking a Staff software engineer to own and shape backend systems for a high-traffic data platform. You will architect, implement, and operate services at scale while mentoring engineers and guiding cross-team coordination.

You’ll work on GraphQL and REST APIs, distributed systems, and data-driven features that power global advertising. This role emphasizes leadership, ownership, and technical excellence in a fast-paced environment.