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.
- You’ve worked in/with startups and understand the pace and ownership that comes with that.
- You’re not expected to know all our tech, but you’ll be confident and proficient in your core areas from the following (Typescript, Node, MongoDB, React, Angular, airflow, python, ECS, Cloudformation, Event Driven Architecture, AthenaDB, JSON Schema, Docker)
- You take ownership of your work and communicate clearly.
- You’re curious about AI tooling and excited to help the team learn and grow in this space.
- You have experience with A/B testing, analytics tools, and growth-focused product development.
- You understand performance optimisation, event driven architecture, API integrations, and how to improve user experience.
- You’re comfortable working autonomously and driving projects from idea to delivery.
- You can analyse data and use it to inform decisions.
- Experience with AWS is a plus.
- Familiarity with e-commerce platforms like Shopify, Centra or BigCommerce is a plus.
Who We Are
- We’re a small, ambitious product team of experienced technologists.
- We care deeply about the products we build and take full ownership of them.
- We experiment regularly and iterate quickly.
- We build and evolve new products that make a difference to our customers, our team, and the business.
- We care about scale. Our business is growing rapidly and we use modern, best-practice approaches to stay ahead.
- We believe in collaborative design and architecture, and empower each other to lead.
- We’re embracing AI development tools and are looking for measurable gains from using them.
Package
- Competitive salary
- 32 days holiday (take public holidays whenever you like) with a 3-day carryover policy
- Macbook Pro
- Hybrid working
- Regular team socials
- £600 annual wellbeing allowance
Interview Process
- 30 minute intro video call – we’ll get to know you and tell you more about Harper and the role.
- 90 minute culture and tech fit interview – we’ll dive into your experience and motivations.
- Offer
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