https://jobs.co.uk/job/full-stack-developer-principal-senior-hays-technology--3b8ac366-3287-4c85-aac2-42611cfbaf9e RSS feed for Full Stack Developer (Principal / Senior) at Hays Technology. en-gb Thu, 09 Jul 2026 15:35:09 GMT https://jobs.co.uk/job/full-stack-developer-principal-senior-hays-technology--3b8ac366-3287-4c85-aac2-42611cfbaf9e https://jobs.co.uk/job/full-stack-developer-principal-senior-hays-technology--3b8ac366-3287-4c85-aac2-42611cfbaf9e Thu, 09 Jul 2026 11:52:03 GMT Location: Ramsbottom | Salary: 10000-500000 Annual | Type: Contract | Hays are now looking for a Full Stack Developer for one of our local retail clients:Flexible Rate - Inside IR353 days a week onsiteLocation is BuryWe''re supporting a leading global footwear retailer as they build Marketplace and Conversion Optimisation squads to deliver improvements across their digital commerce platforms. We''re looking for hands-on engineers who combine strong full stack technical expertise with product thinking, software craftsmanship and a passion for building customer-facing solutions. What you''ll be doingDesign, build and deploy scalable cloud-native applications across marketplace and ecommerce platformsDevelop customer-facing features that improve conversion, customer experience and commercial outcomesTake features from discovery through to productionLead technical delivery through hands-on engineering and codingBuild and maintain REST APIs, microservices and modern web applicationsDrive code quality, software craftsmanship and engineering best practicesMentor engineers through pairing, code reviews and day-to-day deliveryEmbed automated testing, security and quality throughout the development lifecycleImprove CI/CD pipelines, deployment processes and dev... Contract