Staff Backend Engineer: Technical Leader for Global Scale

The Trade Desk; Greater London; On-site; GBP 110,000 - 150,000; Full time

Job summary

The Trade Desk in London is seeking a Staff Engineer to design, build, and own backend systems for a high-traffic data platform. You will act as a technical authority, review designs, and mentor teammates while shaping cross-team standards.

You will also ramp up to lead a senior engineer and eventually grow into broader team leadership as the London office scales, driving reliability and efficiency across services.

Qualifications

• Experience operating as a staff-level technical authority.
• Hands-on background building and running backend systems at scale.
• Depth with backend systems; GraphQL/REST a plus.

Responsibilities

• Design, build, and operate backend systems for a high-traffic data platform.
• Act as a technical reviewer and mentor in design/code reviews.
• Lead cross-team alignment on standards and system direction.
• Manage and grow engineering talent within London-based team.

Skills

Staff engineer

Backend systems

C#/.NET

SQL

GraphQL/REST APIs

Mentoring/leadership

Distributed systems

Job description

The Trade Desk in London is seeking a Staff Engineer to design, build, and own backend systems for a high-traffic data platform. You will act as a technical authority, review designs, and mentor teammates while shaping cross-team standards.

You will also ramp up to lead a senior engineer and eventually grow into broader team leadership as the London office scales, driving reliability and efficiency across services.