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# Senior Fullstack Developer (Backend First)

- **Company:** Justpark-have
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** PHP (Programming Language), Artificial Intelligence, Software Quality, Code Review, Octopus Deploy, Software Engineering, Backend
- **Published:** September 19, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/senior-fullstack-developer-backend-first/47665931

## About the Role

junior engineers through pairing, reviews and design discussionsPartner with product and design to refine scope and surface trade-offsContribute to on-call and improve the reliability of what the team ownsRequirements5+ years of professional software engineering experienceStrong skills in at least one of our backend languages (PHP, Go) as well as a high level of competency in TypeScript.Comfortable owning features from idea to production with minimal hand-holdingSolid grounding in software design, testing and operational excellenceDemonstrated ability to collaborate with PMs and designers on ambiguous problemsPragmatic, customer-obsessed and a strong written communicatorComfortable with AI toolingRecharge your batteriesGenerous holiday policy: 25 days + bank holidays + managers have the ability to grant up to 5 extra days for high performance (total of 38 days a year)Free lunch on all office days via Feedr with the option to choose your preferred meal or cuisine everydayFree
snacks & drinks on all office daysInvestment in you and your wellbeingPrivate Medical Insurance with VitalityLife assurance through YuLife£25 credit to use for eye tests a yearFree O2 concert tickets through our partnership with the O2Simplifying journeys so you can breathe easier£50 parking credit per month to use via JustParkCycle-to-work salary sacrifice schemeEV salary sacrifice car scheme via Octopus EnergyWe look out for your familyEnhanced parental leave with 6-months enhanced maternity leave and 4 weeks of fully-paid paternity leaveHelp finding great childcare, with funded hours via Koru KidsLook after the penniesCompetitive pension offering with standard and salary sacrifice pension optionsSuccess is best when it's sharedQuarterly away days with the whole UK team - we all go off-site each quarter to celebrate our achievementsQuarterly team social budget to recharge and bond with your teamLots of social activities and celebrations on our gorgeous rooftop in
King's Cross #J-18808-Ljbffr

## Description

product features across JustPark's stack, working closely with product, design and other engineers to deliver value tocustomers. You'll design, build and ship features end-to-end across web, mobile or backend as needed, own meaningful pieces of the product surface and the systems that back them, and raise the bar on code quality, testing and engineering hygiene in your team. The role works with engineers in code reviews and design discussions, and partners with product and design to refine scope and surface trade-offs. You'll contribute to on-call rotations and improve the reliability of what your team owns. Our team is moving quickly with AI adoption and you'll have the opportunity to learn how to get the most of AI powered tooling.ResponsibilitiesDesign, build and ship features end-to-end across web, mobile, and backend as neededOwn meaningful pieces of the product surface and the systems that back themRaise the bar on code quality, testing and engineering hygiene in the teamMentor more


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