Overview

Relay is reshaping how goods move in an online era. Relay is scaling rapidly with significant venture backing and an emphasis on a talent-dense team in engineering, product and data. Relay’s mission is to free commerce from friction by enabling more goods to move more freely between more people, making online shopping seamless and accessible to everyone.

Team and Culture

• ~90 people, with more than half in engineering, product and data
• 45+ advanced degrees across computer science, mathematics and operations research
• Thousands of data points captured, calculated, analysed and predicted for every parcel handled
• Culture of first-principles thinking, tight feedback loops and relentless experimentation

Leadership

Rob Ladbrook – Director of Engineering. Formerly Deliveroo’s first IC promoted to Principal Engineer, renowned for building ultra-low-latency, fault-tolerant systems at global scale. Leads innovation at Relay to redefine what’s possible.

Technology Stack Highlights

• Cross-platform Flutter apps focused on user experience
• Python, Rust and TypeScript
• Cloud-native on GCP with BigQuery and Cloud Run
• ML modelling and LLM inference as part of daily routines
• Emerging tech integrations including robotics and IoT-powered operations

What You’ll Do

• Work across the full stack from mobile to data infrastructure
• Take end-to-end ownership over complex real-world problems (e.g., machine vision to assess proof-of-delivery photos)
• Collaborate with team members across the company
• Spend time in the field to understand how your technology impacts couriers and parcel recipients

Hiring Process

• Talent Acquisition Interview – 30 min
• UI Component Interview – 1 hour
• Design and Mobile Fundamentals Interview + AI Programming (Build an App) – 2 hours
• Operating Principles & Impact – 1 hour
• Decision and offer within 48 hours; typically completed in about a week

Who Thrives at Relay

• Aim with Precision: define problems clearly and measure impact
• Play to Win: tackle hard problems and view constraints as fuel
• 1% Better Every Day: small, consistent improvements lead to growth
• All In, All the Time: take ownership from start to finish
• People-Powered Greatness: invest in teammates and build trust through feedback
• Grow the Whole Pie: seek win-win solutions for merchants, couriers and customers

If these resonate and you have strong technical fundamentals with entrepreneurial drive, let’s connect.

Compensation, Benefits & Workplace

• Generous equity, with annual top-ups to share Relay’s success
• Private health and dental coverage
• 25 days of holidays
• Enhanced parental leave
• Hardware of your choice
• Extensive perks (gym subsidies, cycle-to-work, Friday office lunch, Uber back and dinner for late nights, and more)
• Located in Shoreditch; on-site work 4 days a week with 1 day remote

Relay is an equal-opportunity employer committed to diversity, inclusion, and fostering a workplace where everyone thrives.