Relay
Senior Software Engineer
2mo ago
EuropeSeniordistributed systemshardware architectureml
Senior Software Engineer role focused on logistics technology and scaling engineering teams.
Responsibilities
- As a Software Engineer at Relay, you'll:
- Own challenging, impactful problems end-to-end, from routing algorithms to real-time optimisation services and intuitive operational tools.
- Collaborate closely with top engineers, data scientists, and product leaders in a highly autonomous and impact-driven environment.
- Regularly ship production-quality code weekly—and often daily—seeing your work directly impact Relay’s growth.
- Create incredible product experiences powering the fastest-growing e-commerce platforms, including Vinted, TikTok, and Temu, impacting millions of users worldwide.
Conditions
- 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 .
- 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.
- Hardware of your choice .
- Extensive perks (gym subsidies, cycle-to-work, Friday office lunch, covered Uber home and dinner for late nights, and more).
How to apply
- Talent Acquisition Interview - 30 min
- API Integration Interview - 1 hour
- Technical Interview - 2 hours
- Operating Principles & Impact - 1 hour
- Decision and offer within 48 hours ; our process mirrors our pace of work, typically completed in a week.
Other
- 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 • ~110 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
- Diego, an expert in distributed systems and hardware architecture, 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.
- 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
- 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.