Senior Full-Stack Engineer – Remote UK, High Impact

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Company: OnBuy
Apply for the Senior Full-Stack Engineer – Remote UK, High Impact
Location: London
Job Description:

OnBuy in Greater London is seeking a Senior Full Stack Engineer to build and scale their core commerce platform. The role entails end-to-end engineering ownership responsible for developing high-quality solutions that bolster customer experience and seller performance. Candidates should have strong full-stack experience, proven backend expertise with PHP, and robust JavaScript skills. This is a UK remote contract position offering a day rate between £550 and £650, for a duration of 4 months.#J-18808-Ljbffr…

Posted: May 20th, 2026