Senior Software Engineer – Shopify/FinTech Integrations

Full Stack (Backend-leaning | TypeScript)

London / Hybrid – 1 day per week in-office

Up to £90k DOE + MacBook Pro + £600 wellbeing allowance

Visa sponsorship not available

Join a VC-backed, fast-growing startup that’s redefining how customers shop for luxury fashion online. Backed by top-tier investors and trusted by household-name retailers in the UK and globally.

Following strong growth, they’re now expanding their high-impact tech team, and are looking for ambitious engineers to help scale their systems, drive innovation, and support global retail partnerships with seamless integrations.

What You’ll Do

Build and enhance core systems that drive the customer experience Work across the stack, with a backend focus in TypeScript & AWS Lead API integration efforts, especially with Shopify Improve performance, reliability, and scalability of the platform Embrace AI tools to boost productivity and automate wherever possible

Tech Stack

: TypeScript (core), Python/Ruby (data flow) Frontend: React ; Angular, Vue, or Node.js welcome Infrastructure: AWS Databases: Neo4j (nice to have) Integrations: Shopify

About You

Strong experience with TypeScript on the backend Confident managing complex API integrations (Shopify a big plus) Comfortable with React, Python, or similar technologies Experienced in cloud-first environments (AWS) Background in startups or scale-ups Passionate about automation and leveraging AI in development

Bonus Points For:

Graph databases like Neo4j Experience with payment gateways or fraud detection systems Knowledge of MongoDB/Mongoose Familiarity with CATIA or other CAD system integrations Experience with A/B testing, analytics, and growth experiments

Why Apply?

Work with iconic global fashion brands Join a lean, ambitious, collaborative product team Shape a product used by millions of shoppers Enjoy top-tier kit (MacBook Pro) + £600 annual wellbeing budget