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- Tasks: Develop innovative mobile solutions and tackle real-world challenges in logistics.
- Company: Join Relay, a fast-scaling startup revolutionising e-commerce logistics.
- Benefits: Competitive salary, flexible work options, and opportunities for professional growth.
- Why this job: Make a tangible impact on the future of online shopping and delivery.
- Qualifications: Strong mobile development skills and a passion for problem-solving.
- Other info: Dynamic team culture with rapid career advancement and mentorship from industry leaders.
The predicted salary is between 48000 - 84000 £ per year.
Relay is fundamentally reshaping how goods move in an online era. Relay is scaling faster than 99.98% of venture-backed startups and is 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 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:
- Diego Protas – Director of Engineering, an expert in distributed systems and hardware architecture, merging physical computing with enterprise-scale infrastructure.
Tech Stack Highlights:
- Cross-platform Flutter apps with a deep focus on user experience
- Python, Rust and TypeScript - we keep things simple but use the right tool for the job
- 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
What You’ll Do:
- Work across the full stack of technology, from mobile all the way down through data infrastructure.
- Take end-to-end ownership over thorny real-world problems, like using machine vision to automatically assess proof of delivery photos.
- Collaborate with team members across the company.
- Regularly spend time in the field learning how the technology you build impacts our couriers and parcel recipients.
Fast and Focused Hiring Process:
- Talent Acquisition Interview - 30 min
- Build a 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, our process mirrors our pace of work, typically completed in a week.
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.
Senior Mobile Engineer in London employer: Relay Technologies
Contact Detail:
Relay Technologies Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Mobile Engineer in London
✨Tip Number 1
Get to know Relay's mission and values inside out. When you understand what drives the company, you can tailor your conversations to show how your skills and experiences align with their goals. This will make you stand out as a candidate who truly gets it!
✨Tip Number 2
Practice your technical skills before the interviews. Relay is looking for someone who can tackle real-world problems, so be ready to demonstrate your expertise in mobile engineering and problem-solving during the technical interviews. We recommend building a small project or two to showcase your abilities.
✨Tip Number 3
Don’t underestimate the power of networking! Reach out to current employees on LinkedIn or through our website. Ask them about their experiences at Relay and share your enthusiasm for the role. A personal connection can go a long way in making you memorable.
✨Tip Number 4
Be prepared to discuss how you can contribute to Relay’s culture of experimentation and feedback. Think of examples from your past where you’ve embraced challenges and learned from them. This shows that you’re not just a tech whiz but also a team player who fits right into their vibrant culture.
We think you need these skills to ace Senior Mobile Engineer in London
Some tips for your application 🫡
Show Your Passion: When you're writing your application, let your enthusiasm for the role shine through! We want to see that you’re genuinely excited about the opportunity to work at Relay and how you can contribute to our mission of freeing commerce from friction.
Tailor Your CV: Make sure your CV is tailored to the Senior Mobile Engineer position. Highlight relevant experience with mobile technologies, especially Flutter, and any projects that showcase your problem-solving skills. We love seeing how your background aligns with our tech stack!
Craft a Compelling Cover Letter: Your cover letter is your chance to tell us why you’re the perfect fit for Relay. Share specific examples of your past work, particularly those that demonstrate your ability to tackle complex challenges and collaborate effectively with teams. Keep it concise but impactful!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the quickest way for us to receive your application and get the ball rolling. Plus, it shows us that you’re proactive and ready to jump into the Relay culture!
How to prepare for a job interview at Relay Technologies
✨Know Your Tech Stack
Familiarise yourself with Relay's tech stack, especially Flutter, Python, Rust, and TypeScript. Be ready to discuss how you've used these technologies in past projects and how they can be applied to solve real-world problems at Relay.
✨Showcase Problem-Solving Skills
Prepare to demonstrate your problem-solving abilities by discussing specific challenges you've faced in previous roles. Think about how you tackled thorny issues and what impact your solutions had, as Relay values end-to-end ownership of complex problems.
✨Emphasise Collaboration
Relay thrives on teamwork, so be prepared to share examples of how you've collaborated with others. Highlight instances where you invested in your teammates and how you’ve given and received feedback to foster a positive working environment.
✨Align with Their Mission
Understand Relay's mission to free commerce from friction and be ready to discuss how your personal values align with this goal. Show enthusiasm for making the online shopping experience seamless and accessible, as this will resonate well with the interviewers.
