JavaScript Contractor, Backend TypeScript, Node + AWS | Disruptive Start-up, B2C | Rate £550-675 Outside IR35 | 6-months | London, Hybrid or UK remote
Posted Today by Owen Thomas | Pending B Corp™
£675 Per day
Outside
Hybrid
United Kingdom
Summary: The role is for a JavaScript Contractor specializing in Backend development using TypeScript and Node.js, with a focus on building a B2C platform for a disruptive start-up. The position offers flexibility with hybrid or remote working arrangements and requires strong experience in backend technologies and cloud platforms. The contractor will collaborate closely with the founding team to develop scalable and secure backend systems. This is a 6-month contract with a competitive daily rate outside IR35.
Key Responsibilities:
- Build and evolve scalable backend systems and APIs that power web and mobile experiences.
- Design efficient and reliable data processing pipelines.
- Maintain secure and high-performing infrastructure ready for growth.
- Tune databases and select cost-effective storage solutions.
- Ensure strong automated test coverage for reliability.
- Collaborate with frontend and mobile teams for seamless API integrations.
- Set up monitoring, logging, and alerting systems.
- Shape technical direction through architectural input and best practices.
- Review code and support the growth of other engineers.
- Explore and introduce new tools or frameworks to improve the tech stack.
- Work with product and design teams to develop production-ready features.
- Refine development workflows for faster and more reliable shipping.
Key Skills:
- Experienced backend engineer with a track record of delivering production-ready systems.
- Fluent in modern programming languages such as TypeScript, Python, C#, Java, or Go.
- Comfortable with major cloud platforms (AWS, GCP, etc.).
- Extensive experience with relational and NoSQL databases.
- Strong emphasis on automated testing as part of development.
- Knowledge of RESTful APIs, microservices, and Docker-based deployments.
- Ability to create fast, reliable, and scalable systems.
- Hands-on experience with CI/CD pipelines and test automation.
- Strong problem-solving skills and ability to communicate solutions clearly.
- Thrives in agile, fast-moving environments and contributes beyond core role.
Salary (Rate): £675 daily
City: London
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: outside IR35
Seniority Level: undetermined
Industry: IT
Opportunity: We’re supporting an innovative, fast-moving founding team. They’re building an innovative B2C platform with lots of partnerships already signed up! They are looking for a Backend Engineer with strong experience with mainly Typescript/NodeJS, and other Backend Golang or C# languages are a plus - with a startup mindset. This can be a remote role, giving you autonomy while you design, develop, and maintain the robust backend services and infrastructure that power their platform. 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 Contractor, Backend TypeScript, Node + AWS | Disruptive Start-up, B2C | Rate £550-675 Outside IR35 | 6-months | London, Hybrid or UK remote
- Build and evolve scalable backend systems and APIs that power our web and mobile experiences.
- Design data processing pipelines that are efficient, reliable, and easy to maintain.
- Keep our infrastructure secure, high-performing, and ready to handle growth.
- Tune databases and choose storage solutions that keep things fast and cost-effective.
- Maintain strong automated test coverage to ensure reliability.
- Collaborate with frontend and mobile teams to create seamless, well-documented API integrations.
- Set up monitoring, logging, and alerting so we spot issues before our users do.
- Shape the technical direction of the product through architectural input and best practice setting.
- Review code, share knowledge, and support the growth of other engineers.
- Explore and introduce new tools or frameworks that can improve our stack.
- Work closely with product and design to turn ideas into smooth, production-ready features.
- Continuously refine our development workflows to make shipping faster and more reliable.
Core Skills for the JavaScript Contractor, Backend TypeScript, Node + AWS | Disruptive Start-up, B2C | Rate £550-675 Outside IR35 | 6-months | London, Hybrid or UK remote
- You’re an experienced backend engineer with a track record of delivering production-ready systems.
- You’re fluent in at least one modern programming language such as TypeScript, Python, C#, Java, or Go.
- You’re comfortable working with a major cloud platform (AWS, GCP, or similar).
- You’ve worked extensively with both relational and NoSQL databases.
- You treat automated testing as a non-negotiable part of development.
- You know your way around RESTful APIs, microservices, and Docker-based deployments.
- You understand how to make systems fast, reliable, and scalable and you have the strategies to do it.
- You have hands-on experience with CI/CD pipelines and test automation.
- You can untangle complex problems and explain your solutions clearly to technical and non-technical teammates.
- You thrive in agile, fast-moving environments and enjoy contributing beyond your core role.
Location: London Hybrid preference, Remote (Work from anywhere in the UK)
Type: Contract, full-time
Rate: Up to GBP675 per day Outside IR35
Start: ASAP