Senior Software Engineer

Harper • london, england, United-Kingdom • Posted May 24, 2026

Location london, england

Job Type Full-time

Category IT & Technology

Posted May 24, 2026

Overview We are Harper, a fast-growing Series A startup at the intersection of eCommerce and Fintech.  Our mission is to keep personal service at the heart of the digital shopping experience by enabling elevated Try Before You Buy experiences for some of the world’s leading fashion retailers. We’re looking for a Senior Software Engineer to shape the future of Harper’s technology. This is a hands-on role focused on building and improving our core systems to ensure reliability, scalability, and a seamless experience for customers and brand partners. You’ll work closely with our CTO and product team to develop new features, improve system performance, and solve complex technical challenges. You should be comfortable working across the stack, writing clean, maintainable code, and taking ownership of your work. 
Who We’re Looking For We’re looking for a collaborative and experienced engineer to join us on our journey. 
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