Autotrader

Principal Full Stack Engineer - Full or Part Time

Autotrader
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3 months ago
Manchester, United KingdomStaff+

Responsibilities

  • Design and architect scalable, maintainable, and performant distributed systems.
  • Develop responsive front-end applications and scalable back-end systems across the stack.
  • Build RESTful APIs and web services using modern front-end and back-end technologies.
  • Drive system design and architecture decisions in a visible, strategic Principal Engineer role.
  • Lead and mentor engineers, support their technical growth, and help deliver high-impact projects.
  • Contribute to development, testing, continuous delivery, and automation practices.
  • Collaborate through pair programming, code reviews, stand-ups, and knowledge sharing.

Requirements

  • Strong experience working across the full stack, including scalable back-end systems and responsive front-end applications.
  • Proficiency with Java, Spring Boot, and the Java ecosystem or JVM.
  • Experience architecting complex, distributed, scalable, maintainable, and performant systems.
  • Experience with React or Angular and TypeScript or modern JavaScript.
  • Proficiency building RESTful APIs and web services.
  • Strong knowledge of relational databases and SQL, plus experience with document-based storage such as MongoDB.
  • Experience with Kafka or other event-driven architectures.
  • A structured approach to development and testing, including Test-Driven Development, continuous delivery, and automation.
  • Proven experience leading and mentoring teams while delivering high-impact projects.

Benefits

  • Salary of £60,000–£80,000 per year plus additional annual shares worth 10% of salary; shares vest in yearly instalments over three years.
  • 28 days of holiday plus bank holidays.
  • Comprehensive private medical cover.
  • Pension scheme with standard employer contributions of 7% and employee contributions of 5%.
  • Enhanced family leave, car salary sacrifice scheme, share-save options, and wellbeing support including 24/7 online GP and dentist access.
  • Hybrid Connected Working model requiring a minimum of three days per week in the office with the team.
  • Remote-first periods during set summer and winter times, allowing work from anywhere in the UK and certain locations abroad.
  • Available as a full-time or part-time role.

Tech Stack

Autotrader

About Autotrader

1,001-5,000 employees

Autotrader operates a U.S. online marketplace that connects car buyers with dealers and private sellers, offering listings, search filters, pricing guidance, and financing tools. Its revenue comes from dealer subscriptions, advertising, and paid private-seller listings. Founded in 1997 and headquartered in Atlanta, it is part of Cox Automotive, a subsidiary of Cox Enterprises.

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