Full-Stack Engineer London

Squad Labs builds technology that empowers the brands we believe in. Our flagship product, ROO, is a digital wardrobe network that connects luxury fashion brands with their customers through resale, authentication, and ownership infrastructure.

You'll be our foundational engineer, working across the full stack to build and scale ROO's platform — from the brand-facing dashboard to consumer-facing features and the infrastructure that connects them. You'll have outsized ownership and influence over our technical direction.

What You'll Do

• Build and ship features across our web platform (React/Next.js, Node.js, TypeScript)
• Design and maintain APIs, database schemas, and backend services
• Integrate blockchain-based authentication and ownership verification systems
• Develop and deploy AI/ML features including image recognition, pricing models, and automated listing generation
• Own technical decisions and help define our engineering culture from the ground up

Requirements

• 4+ years of full-stack development experience with modern web technologies
• Strong proficiency in TypeScript, React/Next.js, and Node.js
• Experience with relational and non-relational databases
• Ability to work autonomously and ship quickly in an early-stage environment
• Based in London

Nice to Have

• Experience building or working with ML/AI systems (model training, inference pipelines, or applied ML features)
• Background in blockchain, Web3, or token-based systems
• Experience in e-commerce, marketplace, or fashion/luxury tech

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