Senior Engineering Manager - Product Engineering

CompanyRelay Technologies

LocationLondon, England, United Kingdom

Posted At1/23/2026

UK Visa Sponsorship Analytics

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Occupation Type

Production managers and directors in manufacturing

Occupation Code Skill LevelHigher Skilled

Sponsorship Salary Threshold

£55,000 (£28.21 per hour)

Occupation rate applies

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Description

Relay is fundamentally reshaping how goods move in an online era. Backed by Europe’s largest-ever logistics Series A ($35M), led by deep-tech investors Plural (whose portfolio spans fusion energy and space exploration), Relay is scaling faster than 99.98% of venture-backed startups. We're assembling the most talent-dense team the logistics industry has ever seen

Relay’s Mission is to free commerce from friction. Today, high delivery costs act as a hidden tax on e-commerce, quietly shaping what can be sold online and limiting who can participate. We envision a world where more goods move more freely between more people, making the online shopping experience seamless and accessible to everyone.

THE TEAM

~90 people, 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 single parcel we handle
An intellectually vibrant culture of first‑principles thinking, tight feedback loops and relentless experimentation

Work Alongside Industry Leaders

Rob Ladbrook - Director of Engineering

Deliveroo’s first‑ever Principal Engineer. Rob has designed and operated low‑latency, fault‑tolerant systems for global marketplaces (Deliveroo, Skyscanner). His platforms handle hundreds of millions of real‑time transactions at four‑nines uptime, and he is known for rigorous engineering standards and mentorship that accelerates team mastery.

Diego Protas – Director of Platform Engineering

Diego, an expert in distributed systems and hardware architecture, is merging physical computing with enterprise-scale infrastructure. Previously directing teams of 170+ engineers at Mercado Libre and orchestrating large-scale ML-based inference at Meta. At Relay, Diego’s infectious enthusiasm and hands-on leadership are redefining the boundaries of speed and reliability

Tech Stack Highlights

Python, Rust and TypeScript - we keep things simple but use the right tool for the job
Cross-platform Flutter apps with a deep focus on user experience

Cloud-native on GCP with extensive use of BigQuery and Cloud Run

Extensive use of ML modelling and LLM inference - no gimmicks here, this is our daily routine

Emerging tech integrations, including robotics and IoT-powered operations

The Opportunity

As a Senior Engineering Manager, you will lead and inspire by mentoring engineers and tech leads while fostering a culture of ownership, psychological safety, and continuous learning, unlocking and accelerating our engineering talent with strategic direction. You will get your hands dirty by immersing yourself in the code, as our engineering leadership is deeply technical, and you will be expected to move the needle through technical collaboration and direct contributions when necessary. You will raise the bar by championing best practices in developer velocity, code quality, observability, incident response, user analytics, and product engagement, ensuring that excellence becomes the default. Additionally, you will scale the team by attracting, hiring, and retaining top talent, running a fair, data‑driven performance process, and building clear growth paths.

Who Will Thrive in this role?

You see no job in engineering (and a few outside it) you wouldn’t dive into when it drives impact.
You operate with high agency and proud ownership.
You have deep empathy for the humans behind the code: couriers, retailers, operatives, colleagues and consumers.
You thrive in fast‑paced, ambiguous settings and bring structure where it’s missing.
You communicate with clarity and intent, listen actively and collaborate deliberately.

Fast and Focused Hiring Process

Talent Acquisition Interview - 30 min | [Remote]
Hiring Manager Interview - 60 min | [Remote]
Technical & Execution focus - 2 hours | [Remote/Onsite]
Values & Impact Interview - 1 hour | [Onsite]
Decision and offer within 48 hours. Our process mirrors our pace of work.

Compensation, Benefits & Workplace

Generous equity, richer than 99% of European startups, with annual top-ups to share Relay’s success.
Private health & dental coverage, so comprehensive you’d need to be a partner at a Magic Circle law firm to match it.
25 days of holidays

Enhanced parental leave.

Hardware of your choice.

Extensive perks (gym subsidies, cycle-to-work, Friday office lunch, covered Uber home and dinner for late nights, and more).

Located in Shoreditch, our office set-up enables the kind of in-person interactions that drive impact. We work 4 days on-site, with 1 day remote.

Who Thrives at Relay?

Aim with Precision: You define problems clearly and measure your impact meticulously.
Play to Win: You chase bold bets, tackle the hard stuff, and view constraints as fuel, not friction.
1% Better Every Day: You believe that small, consistent improvements lead to exponential growth. You move quickly, deliver results, and learn from every experience.
All In, All the Time: You show up and step up. You take ownership from start to finish and do what it takes to deliver when it counts.
People-Powered Greatness: You invest in your teammates. You give and receive feedback with care and candour. You build trust through high standards and shared success.
Grow the Whole Pie: You seek out win-win solutions for merchants, couriers, and our customers, because when they thrive, so do we.

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

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