Skip to main content
Posted 12 February, 2026

Senior Developer Experience Security Engineer

Motorway Online Ltd
London, London EC1A, United Kingdom Full Time
Reference: 180826579

About Motorway Motorway is the UK's fastest-growing used car marketplace - our award winning, online-only platform connects private car sellers with...

About Motorway

Motorway is the UK's fastest-growing used car marketplace - our award winning, online-only platform connects private car sellers with over 7,500 verified dealers nationwide, who compete to offer the best price. Founded in 2017, our technology makes the process refreshingly easy, earning us an 'Excellent' Trustpilot rating with over 70,000 reviews. We're not just building a platform; we're changing how people sell cars.

Backed by leading investors like Index Ventures and ICONIQ Growth, and following a successful $190 million funding round, we're on a mission to transform the used car market.

About the roleMotorway 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, 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.We will continue to build and evolve secure, standardised platform capabilities that reduce cognitive load and help teams ship faster with confidence.

This role will act as a bridge between the Developer Experience team and Security Operations team, ensuring security strategy is embedded into platform abstractions, tooling, and defaults.This role will act as a bridge between the Developer Experience team and Security Operations team, ensuring security strategy is embedded into platform abstractions, tooling, and defaults.

As a Security Developer Experience Security 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, making the secure path the easiest path

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.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 s(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) 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
  • A competitive salary
  • BUPA health insurance
  • Discounted gym membership through BUPA
  • OnHand volunteering membership and one paid volunteering day per year
  • Hybrid working
  • Pension scheme
  • Motorway car leasing scheme - lease a zero-emissions electric vehicle at a significant discount
  • Enhanced parental leave - We offer enhanced maternity pay (26 weeks of full pay) and enhanced paternity pay (4 weeks of full pay) to eligible employees.
  • Workplace nursery scheme
  • Regular social events
  • Cycle to work scheme
Equal opportunities statement

We are committed to equality of opportunity for all employees. We work to provide a supportive and inclusive environment where people can maximise their full potential. We believe our workforce should reflect a variety of backgrounds, talents, perspectives and experiences. Our strong commitment to a culture of inclusion is evident through our constant focus on recruiting, developing and advancing individuals based on their skills and talents.

We welcome applications from all individuals regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief and marriage and civil partnerships.

This listing expired on 14 Mar. Applications are no longer accepted.

Below are some other jobs we think you might be interested in.

  • Senior Security Engineer
    • Taylor James Resourcing
    • London, ENG, GB
    Job Description Senior Security Engineer, reporting to the IT Security Officer, you will work as part of a 3-person IT Security team. As the Senior...
    01 Jun
  • Senior Security Cloud Engineer
    • Health Hero
    • London, ENG, GB
    Job Description Senior Cloud Security Engineer (London or Bristol) We are HealthHero, Europe’s largest digital clinic. Join us at a pivotal moment as we...
    01 Jun
  • Senior Cyber Security Engineer
    • VIQU IT Recruitment
    • London, ENG, GB
    Job Description Senior Cyber Security EngineerGlasgow or London | Hybrid | 12-Month Fixed-Term ContractCompetitive Salary + Benefits| No Sponsorship...
    01 Jun
  • Senior Cyber Security Engineer
    • Adecco
    • London, ENG, GB
    Job Description Join Our Team as a Senior Cyber Security Engineer! £500/Day, Inside Scope Are you ready to take your cyber security expertise to the...
    03 Jun
  • Service Engineer - Security Systems
    • H&K Fire Engineering
    • London, ENG, GB
    Job Description Summary of Role We are looking for a highly experienced and competent Security Systems Service Engineer. You will be servicing security...
    01 Jun
  • Security Systems Project Engineer
    • H&K Fire Engineering
    • London, ENG, GB
    Job Description Location: Covering London & South East Summary of role We are looking for a highly skilled Project Engineer to join our team and oversee...
    06 Jun
  • Service Engineer - Security Systems
    • H&K Fire Engineering
    • Tower of London, ENG, GB
    Job Description Summary of RoleWe are looking for a highly experienced and competent Security Systems Service Engineer. You will be servicing security...
    01 Jun
  • Fire & Security Service Engineer
    • Complete Security Recruitment Ltd
    • London, ENG, GB
    Job Description A Basic Salary Paying Up To £48k Basic Training & Development 33 Days Total Holiday THE ROLE — WHAT YOU'LL ACTUALLY DO This isn't a...
    01 Jun
  • Physical Security Lead
    • Experis
    • City of London, ENG, GB
    Job Description Physical Security Assurance Lead 📍 London | 💼 Contract (12 months initial) | 🔐 SC Clearance Required 💷 £450 –£550 per day (Inside...
    01 Jun
  • Physical Security Lead
    • Experis
    • London, ENG, GB
    Job Description Physical Security Assurance Lead 📍 London | 💼 Contract (12 months initial) | 🔐 SC Clearance Required 💷 £450 –£550 per day (Inside...
    01 Jun
  • Senior Imperva DAM / Linux Security Engineer
    • Salt
    • London, ENG, GB
    Job DescriptionSenior Imperva DAM / Linux Security Engineer 6 Month Contract We are looking for a hands on Security Engineer to support and enhance a...
    04 Jun
  • Senior Backend Engineer with Content delivery experience
    • Randstad Technologies
    • London, ENG, GB
    Job Description Job title: Senior Backend Engineer with Content delivery experience Location: Remote Duration: 06 months contract About the Position...
    01 Jun
  • Senior Fire and Security Installation Engineer
    • Ranger Services Holdings Limited
    • Shirley, ENG, GB
    Job Description Senior Fire & Security Installation Engineer Ignis Fire & Security Birmingham,Part of the fast-growing Ranger Group About Ignis Fire &...
    06 Jun
  • Senior Development Manager
    • Capstone Recruitment UK
    • London, ENG, GB
    Job Description Job Title: Senior Development Manager Location: London Package: £100,000 - 115,000 basic salary plus bonus & benefits Capstone...
    06 Jun
  • Senior Development Manager
    • Vistry Group
    • London, ENG, GB
    Job Description In a Nutshell We have an exciting opportunity for a Senior Development Manager to join our team within Vistry South London, at our...
    06 Jun
  • Senior Development Manager
    • Capstone Recruitment UK
    • City of London, ENG, GB
    Job Description Job Title: Senior Development Manager Location: London Package: £100,000 - 115,000 basic salary plus bonus & benefits Capstone...
    06 Jun
  • Intapp Senior Developer
    • Ashurst
    • London, ENG, GB
    Job Description The Opportunity In this role, you'll be part of a dynamic team focused on developing and maintaining the company's Intapp suite of...
    06 Jun
  • Cyber Security - Senior SOAR Engineer (Financial Service)
    • Robert Walters
    • London, ENG, GB
    Job Description We are seeking an experienced Senior SOAR Engineer to join the Cyber Security function of a leading investment bank. This is a key...
    01 Jun
  • Senior Cyber Security & Network Engineer
    • Sanderson
    • Epsom, ENG, GB
    Job Description Role: Senior Cyber Security & Network Engineer Salary: £70,000Location: EpsomFlexible working: Hybrid We're partnering with a business...
    01 Jun
  • Senior Engineering Supervisor
    • RSD Engineering
    • London, ENG, GB
    Job Description Senior Engineering Supervisor North London (Edmonton) £55,000£58,000 | MondayFriday (07:0016:30) The Role Youll lead a team of...
    01 Jun