---
title: 'Senior Developer Experience Security Engineer at Motorway'
canonical: 'https://feeny.ai/job/senior-developer-experience-security-engineer-motorway-london-81fe0evj21k7'
type: 'job'
last_seen: '2026-09-07'
---

# Senior Developer Experience Security Engineer at Motorway

- **Company:** Motorway
- **Location:** London, United Kingdom
- **Employment:** full-time
- **Work type:** hybrid
- **Posted:** 2026-08-26
- **Last confirmed live:** 2026-09-07
- **Apply:** https://jobs.ashbyhq.com/motorway/0244cefb-8d53-4de5-bf66-f9aff518128b

## Job description

## ABOUT MOTORWAY

Motorway is the UK's largest online car-selling platform. We connect private sellers directly with over 8,000 dealers nationwide. Our online platform helps sellers achieve great prices for their cars while giving dealers fast, reliable access to the stock they want for their dealerships. Founded in 2017, our award-winning, technology-led approach has redefined the experience of selling a car. Motorway is backed by some of the world’s leading technology investors, having raised £143 million in Series C funding.

This is a unique opportunity to join a fast-growing scale-up at a crucial phase of growth and help change an industry for the better.

## About the role

Motorway is rapidly growing its technology team and business, and we are looking for a Developer Experience Security Engineer to help enable a secure, scalable, and frictionless developer experience across Motorway.. We have recently built and rolled out a new container platform on top of AWS Fargate, and are currently enhancing our observability, reliability, and developer-focused tooling. We will continue to build and evolve secure, standardised platform capabilities that reduce cognitive load and help teams ship faster with confidence.

As a Developer Experience Security Engineer, you will ensure that security is built into how engineers build, deploy, and operate software, making the secure path the easiest path you will ensure that security is built into how engineers build, deploy, and operate software.

The role will involve:

- Design, implement, and maintain secure-by-default platform capabilities (e.g. IAM patterns, network primitives, secrets management, runtime protections, encryption) that are easy for product teams to adopt.
- Build automated security checks, guardrails, and visibility that continuously assess risk and reduce the need for manual security audits.
- Collaborate with engineering to embed secure software development practices into CI/CD pipelines, templates, and shared tooling (Shift left and Secure by design principles).
- Reduce manual work (toil) for the technology and Security Operations Team using automation (e.g. scripting, workflows, tooling).
- Ensure platform-level security telemetry, logging, and monitoring are consistent, high-quality, and provided as a standard capability for all teams.
- Define and implement platform-wide security use cases (e.g. SIEM detections, alerts, and signals) that scale across teams without bespoke configuration
- Work as part of a virtual SOC with the Security Operations Team to support in security incident response.
- Stay up-to-date with the latest security trends and best practices.
- Enable secure engineering practices through documentation, examples, platform defaults, and targeted training where appropriate.
- Help translate security policies and standards into practical, enforceable platform patterns and guardrails..

## Requirements

WE ENCOURAGE YOU TO APPLY, EVEN IF YOU MIGHT NOT MEET ALL THE REQUIREMENTS. YOU’LL BE DIRECTLY REPORTING TO AN ENGINEERING MANAGER, WHO WILL HELP MENTOR AND GUIDE YOU IN YOUR CAREER.

- Proven experience as a Platform engineer, Developer Experience engineer, or similar role focused on enabling other engineers.
- Proven experience working with Containers and serverless with Infrastructure as code.
- Good knowledge of AWS cloud security best practices and tooling
- Technical knowledge of best practice security for networks, systems, web applications, APIs and databases.
- Good understanding of secure software development practices.
- Familiarity with security tools and technologies, such as SIEM, IDS/IPS, WAF and vulnerability scanners.
- Knowledge of common adversarial Tactics, Techniques and Procedures (Mitre Att&ck TTPs).
- Knowledge of security standards and frameworks (e.g. ISO27001, NIST CSF, AWS FSBP) is beneficial.
- Relevant security certifications (e.g. GCLD, Security+, AWS/GCP Security Certifications) are a plus.
- Excellent problem-solving and analytical skills.
- Strong communication and collaboration abilities

## BENEFITS

We've got your back, in life's biggest moments and the everyday ones too.

- Competitive salary
- Equity scheme - we all share in Motorway’s success
- 25 days holiday
- Flexible working (2 days a week in our London office, with socials and snacks galore)
- Private medical insurance via BUPA
- Life assurance
- Pension scheme (we contribute 5%)
- Enhanced family leave (e.g. 26 weeks full pay for maternity or adoption)
- 24/7 Employee Assistance Programme
- EV leasing scheme
- Cycle to work scheme
- Nursery salary sacrifice scheme
- 1 paid volunteering day a year

## About Motorway

## Company Overview
- **One-liner**: Motorway is the UK’s leading online marketplace that connects private car sellers directly with a national network of verified dealers, using a daily auction system to deliver the best price fast.
- **Entity Type**: Private (Series C / Venture Capital-Backed)
- **Headquarters**: London, England, United Kingdom (Fitzrovia office) with a second office in Brighton.
- **Founded**: 2017
- **Founders**: Tom Leathes (CEO) and Harry Jones

## Core Business
- **Primary industry/industries**: Automotive marketplace, used car sales, online vehicle auctions, fintech (Motorway Pay).
- **Target customers**: Two-sided marketplace serving consumers (private sellers) and B2B buyers (over 8,000 verified car dealers).
- **Mission or purpose statement**: To build a better car market by making car selling simpler, faster, and fairer for everyone.

## Products & Services
- **Motorway (Consumer Platform)**: A fully online service where private car owners get a free instant valuation, profile their car using a mobile app, and list it in a daily auction where 8,000+ verified dealers bid. The highest offer is presented to the seller. Includes home collection, same-day payment via **Motorway Pay**, and automatic settlement of outstanding finance.
- **Motorway for Dealers**: A B2B platform allowing dealers to buy privately-owned used vehicles directly from sellers, bypassing traditional wholesale middlemen.
- **Motorway Remarketing (Enterprise Service)**: A new B2B line launched in 2025/2026 giving dealers direct access to end-of-finance vehicles from fleet and finance partners (e.g., Mobilize Financial Services).

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed.
- **Key Metric**: Total funding raised is **$308.75M** (approx. £250M+).
- **Notable Investors/Partners**: Backed by world-class investors including **Index Ventures**, **BMW i Ventures**, **Latitude**, **Unbound**, and **Trinity Capital** (which provided a £25M credit facility in May 2026).
- **Growth Signals**:
    - Over **1 million cars sold** through the platform.
    - Rated **’Excellent’** with **100,000+ Trustpilot reviews**.
    - **84% of sellers** get more than market price for their car (independently validated).
    - Expanded into the **fleet remarketing** space in 2025/2026.
    - Team has grown to approximately **400 employees** across London and Brighton.

## Competitive Advantages
- **True Two-Sided Network Effect**: A large base of private sellers attracts more dealers, which in turn drives better prices for sellers (84% beat market price), creating a powerful flywheel.
- **Tech-First Experience**: Fully online, app-based valuation and listing process removes the friction of physical inspections and haggling.
- **Motorway Pay**: An in-house payment system that enables instant, secure bank transfers on the doorstep, eliminating payment risk for both parties.
- **Trust and Transparency**: No upfront fees (fee only charged on successful sale), combined with verified dealer network and high ratings.

## Strategic Focus
- **Deepening the enterprise & fleet channel**: The launch of the remarketing service shows a move to capture more B2B supply.
- **Scaling dealer services**: Expanding offerings for dealers beyond just auction access (e.g., financing, logistics).
- **Data & AI investment**: Actively hiring a **Principal Generative AI Engineer** and **Senior Marketing Data Analyst**, indicating a focus on leveraging AI to improve matching, pricing, and operational efficiency.
- **UK market dominance**: With $308M in funding, Motorway is well-capitalized to consolidate its position as the UK’s leading digital used car marketplace.

## Why Work Here
- **Culture & Values**: Described as a community that cares about much more than cars. Core values include “Create new roads” (innovation), “Take the wheel” (ownership), and “Be humble” (ego-free teamwork). Features employee-led D&I, LGBTQ+, and Women’s committees.
- **Hybrid Work**: London office operates on a **hybrid schedule**. Employees can also **work from Europe for up to 4 weeks a year**.
- **Dog-Friendly**: Dogs welcome in the London office on Mondays and Fridays.
- **Perks & Benefits**:
    - Financial: Employee stock option scheme, generous pension, save 40% on a new electric car.
    - Wellness: Comprehensive BUPA private health insurance, 24/7 Employee Assistance Program.
    - Family: Generous maternity/paternity leave, nursery fee coverage.
    - Office Life: Communal lunches, themed breakfasts, sea views in Brighton, and regular social events.
- **Engineering Culture**: With ~400 people and a focus on data and AI, the engineering and product teams are central to the business. Current openings include a Principal Generative AI Engineer and Executive Assistant to the CPO, signaling a high-priority product organisation.

## Sources
1. [motorway.co.uk](https://motorway.co.uk/about)
2. [careers.motorway.co.uk](https://careers.motorway.co.uk/)
3. [cbinsights.com](https://www.cbinsights.com/company/motorway)
4. [uk.linkedin.com](https://uk.linkedin.com/company/motorway-online-ltd.)

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