Senior Fullstack Engineer — Backend-First, End-to-End

JustPark; Greater London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Free lunch

Free snacks & drinks

Private Medical Insurance

Life assurance

Parking credit £50/month

Job summary

JustPark is seeking a Senior Fullstack Developer in the UK to ship high-impact features across web, mobile and backend. You will design, build and ship end-to-end solutions, own key parts of the product and collaborate with product and design to refine scope.

You will mentor junior engineers, participate in design discussions, and contribute to on-call rotations while embracing AI-powered tooling to improve code quality and reliability.

Qualifications

• 5+ years of professional software engineering experience.
• Strong skills in at least one backend language (PHP, Go) and TypeScript.
• Ability to own features from idea to production with minimal guidance.

Responsibilities

• Design, build and ship features end-to-end across web, mobile and backend.
• Own meaningful pieces of the product surface and the systems backing them.
• Raise the bar on code quality, testing and engineering hygiene in the team.
• Mentor more junior engineers through pairing, reviews and design discussions.
• Partner with product and design to refine scope and surface trade-offs.
• Contribute to on-call and improve reliability of the team’s work.

Skills

5+ yrs exp

Backend: PHP/Go

TypeScript

AI tooling

Collaborate with PMs

Tools

Git

CI/CD

Job description

JustPark is seeking a Senior Fullstack Developer in the UK to ship high-impact features across web, mobile and backend. You will design, build and ship end-to-end solutions, own key parts of the product and collaborate with product and design to refine scope.

You will mentor junior engineers, participate in design discussions, and contribute to on-call rotations while embracing AI-powered tooling to improve code quality and reliability.