Senior Software Engineer

Relay Tech
London
Workplace: HybridFull timeFunction: Software EngineeringSkills: ["Problem-solving","Communication","Collaboration","Ownership"]

Senior Software Engineer at a fast-growing logistics tech startup leading end-to-end software work—from routing algorithms to real-time optimization and intuitive operational tools. You’ll collaborate with engineers, data scientists and product leaders in a highly autonomous environment, shipping production-quality code weekly (often daily) and influencing Relay’s growth through robust, scalable systems built with Python, Rust and TypeScript on GCP.

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FursaFursa
Relay Tech
Relay Tech
7 months ago

Senior Software Engineer

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Source: Company careers pageValidated by: Fursa AI
Last checked: 1 hour agoStatus: Live

Job Summary

Senior Software Engineer at a fast-growing logistics tech startup leading end-to-end software work—from routing algorithms to real-time optimization and intuitive operational tools. You’ll collaborate with engineers, data scientists and product leaders in a highly autonomous environment, shipping production-quality code weekly (often daily) and influencing Relay’s growth through robust, scalable systems built with Python, Rust and TypeScript on GCP.
Location: London
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering

Key Responsibilities

  • •Own end-to-end, high-impact problems—from routing algorithms to real-time optimization services and intuitive operational tools.
  • •Collaborate with senior engineers, data scientists and product leaders in a highly autonomous, impact-driven environment.
  • •Regularly ship production-quality code on a weekly (often daily) cadence, delivering measurable impact on Relay’s growth.
  • •Develop and improve product experiences powering fast-growing e-commerce platforms for millions of users.
  • •Contribute to a culture of first-principles thinking, rigorous experimentation and fast feedback loops.

Pay and Benefits

Equity and Bonus:Equity
Perks:EquityHealth InsuranceDentalHolidaysParental LeaveGym MembershipCycle ToRemote Work

Key Requirements

  • •Proficiency in Python, Rust or TypeScript with ability to build distributed systems and services
  • •Experience with Flutter for cross-platform apps is a plus
  • •Familiarity with cloud-native architectures on GCP (BigQuery, Cloud Run)
  • •Strong understanding of ML modelling and large language model (LLM) inference in production
  • •Comfort working in a fast-paced startup environment and collaborating with data scientists and product leaders
Experience:LogisticsE-commerceStartup
Skills:Problem-solvingCommunicationCollaborationOwnership
Tech Stack:PythonRustTypeScriptFlutterGCPBigQueryCloud RunMLLLMRoboticsIoT

Company Brief

Relay Tech
Relay Technologies (relaytech.co) is an API-first, tech-enabled delivery network that optimizes e-commerce deliveries using AI-driven routing, real-time tracking and a distributed courier network to lower costs and emissions for retailers.
Industry: Last Mile Delivery
Company Size: Medium (51 to 250 employees)
Growth: Growth Stage Startup
Valuation: USD 100M to 250M
Funding: Series A
Headquarters: London, United Kingdom
Founded: 2022
WebsiteLinkedIn