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Senior Mobile Engineer at Relay | London

RelayLondon - Hybrid
Hybrid Full-time

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Experience Level

Senior

Qualifications

Qualifications: Proven experience in mobile application development, particularly with Flutter. Strong programming skills in Python, Rust, or TypeScript. Familiarity with cloud services, especially Google Cloud Platform, and a passion for leveraging machine learning technologies. You should possess a collaborative mindset and be eager to work in a dynamic, fast-paced environment.

About the job

Join Relay, where we are revolutionizing the logistics landscape in the digital age. With the backing of Europe’s largest logistics Series A funding ($35M), spearheaded by forward-thinking investors like Plural, we are scaling at an unprecedented rate, outpacing 99.98% of other venture-backed startups. Our mission is to build an exceptionally talented team that will redefine the logistics industry.

Our Vision: To eliminate barriers in commerce. High delivery costs currently act as a hidden burden on e-commerce, restricting what can be sold online and who can access it. We aspire to create an ecosystem where goods flow freely among people, ensuring a seamless shopping experience for everyone.

About Our Team
• Comprising approximately 110 professionals, over 50% of whom specialize in engineering, product, and data
45+ advanced degrees in fields like computer science, mathematics, and operations research
• Thousands of data points meticulously managed for each parcel that we handle
• An intellectually stimulating culture driven by first-principles thinking, quick feedback loops, and continuous experimentation.

Work with Industry Innovators

Diego Protas – Director of Engineering

Diego possesses expertise in distributed systems and hardware architecture, integrating physical computing with large-scale enterprise infrastructure. His previous experience includes leading teams of over 170 engineers at Mercado Libre and executing extensive ML-based inference at Meta. At Relay, Diego infuses enthusiasm and hands-on guidance to set new standards in speed and reliability.

Technology Stack Overview

  • Cross-platform applications built with Flutter, emphasizing user experience

  • Utilizing Python, Rust, and TypeScript - we prioritize simplicity while employing the best tools available

  • Cloud-native infrastructure on GCP featuring extensive use of BigQuery and Cloud Run

  • Regular implementation of ML modeling and LLM inference - this is integral to our operations

  • Innovative tech integrations, including robotics and IoT-driven operations

Your Responsibilities

  • Engage across the full technology stack, from mobile applications to data infrastructure

About Relay

Relay is at the forefront of transforming logistics for the modern world. With a significant investment backing and an ambitious vision, we are dedicated to crafting a more efficient and accessible e-commerce landscape.

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