JavaScript Developer, Contractor, Full-stack | NodeJS, TypeScript, React, AWS | Disruptive FinTech Payments Start-up, B2C | Rate £550-650/day (Outside) | 6-months | UK remote or London onsite

JavaScript Developer, Contractor, Full-stack | NodeJS, TypeScript, React, AWS | Disruptive FinTech Payments Start-up, B2C | Rate £550-650/day (Outside) | 6-months | UK remote or London onsite

Opportunity:

We’re supporting an innovative, fast-moving founding team. They’re building an innovative B2C platform with lots of partnerships already signed up! Very exciting opportunity to take a lot of responsibility and work in a small team with proven founders and engineers - on a disruptive and data-heavy B2C application.

You’ll work closely with the founding team to build scalable, secure, and high-performance systems that deliver an exceptional user experience.

What You’ll Be Doing as a JavaScript Developer, Contractor, Full-stack | NodeJS, TypeScript, React, AWS | Disruptive Start-up, B2C | Rate £500-550/day (Outside) | 6-months | UK remote or London Hybrid

• Develop, maintain, and optimize robust backend services and APIs that power our mobile and web platforms
• Design and implement low-latency event processing pipelines
• Ensure backend infrastructure is reliable, scalable, and secure
• Enhance database efficiency and refine data storage strategies
• Maintain comprehensive multi-layered test coverage
• Collaborate closely with frontend and mobile teams to define and deliver API contracts
• Set up and manage effective monitoring, logging, and alerting systems
• Influence architectural decisions and help establish engineering best practices
• Conduct code reviews and provide mentorship to junior developers
• Explore and integrate new technologies to expand platform capabilities
• Work with product and design teams to convert requirements into scalable technical solutions
• Continuously refine development workflows and improve system performance

What You’ll Need as a JavaScript Developer, Contractor, Full-stack | NodeJS, TypeScript, React, AWS | Disruptive Start-up, B2C | Rate £500-550/day (Outside) | 6-months | UK remote or London Hybrid

• 6+ years commercial experience in Backend technologies, with majority focused on NodeJS.
• Proven track record of start-up experience, working for cool innovative consumer b2c brands where you've taken ownership.
• Confidence working on huge datasets and complex API work
• Great communication skills and attitude to get your hands dirty across the stack and business challenges.
• Nice to have: Full stack experience, with TypeScript

JavaScript Developer, Contractor, Full-stack | NodeJS, TypeScript, React, AWS | Disruptive Start-up, B2C | Rate £500-550/day (Outside) | 6-months | UK remote or London Hybridd

• Location: Remote
• Type: Contract, full-time
• Rate: circa £600/day
• Start: ASAP