Overview

Senior Engineering Manager @ RELAYRelay is fundamentally reshaping how goods move in an online era.

Backed by Europe’s largest-ever logistics Series A ($35M), 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.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 LeadersRob 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.

Relay’s MissionRelay exists 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.In this future:Delivery feels invisible—free shipping is the default, and logistical friction disappears from consumers’ minds.

Retailers of all sizes thrive online, whether selling a £5 item or a £500 one, as delivery becomes universally efficient and cost-effective.

Just as the internet eliminates friction from communication, Relay removes friction from the movement of goods, enabling broader participation and creating new opportunities for merchants and consumers alike.Tech Stack HighlightsPython, 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 OpportunityAs 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.

Who Thrives at Relay?Relayers share core traits, captured in our guiding principles, "The Relay Edge":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.

Compensation and BenefitsGenerous equity, richer than 99% of European startups , with annual top-ups to share Relay’s success.

Private health and 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).

Fast and Focused Hiring ProcessTalent Acquisition Interview - 30 min | [Remote]

Hiring Manager Interview - 60 min | [Remote]

Technical and Execution focus - 2 hours | [Remote/Onsite]

Values and Impact Interview - 1 hour | [Onsite]

Decision and offer within 48 hours . Our process mirrors our pace of work.

Relay is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

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