job specification

Senior Node.js Software Engineer (Contract) – Remote (UK Time Zone) – €250/day

Contract: 6+ months

Rate: €250/day (B2B)

Location: Fully remote, must work to UK time zone

Start: ASAP

We're hiring a Senior Node.js Software Engineer to join a greenfield, startup-style product team building a next-generation financial services platform. You'll be part of a fast-moving engineering squad operating like an independent startup within an established, well-funded organisation.

If you thrive in collaborative, iterative environments and enjoy solving complex technical challenges with modern tooling, this is a great fit.

What you'll be doing

• Designing, developing, testing, and deploying complex serverless and microservice-based applications.
• Creating clean, scalable Node.js/TypeScript solutions with an API-first mindset.
• Leading and contributing to technical design reviews.
• Owning high-quality delivery through unit/integration testing and CI/CD best practices.
• Working with AWS serverless tooling (Lambda, ECS, CDK, SAM, Serverless Framework).
• Troubleshooting application issues and optimising performance.
• Collaborating closely with other engineers, product, and delivery teams in an agile environment.

Tech you'll work with

• Node.js + TypeScript
• AWS serverless (Lambda, ECS, CDK, SAM, Serverless Framework)
• API-first microservices architecture
• Jest (unit & integration testing)
• RESTful APIs, JSON
• CI/CD (GitHub/GitLab/Azure DevOps, SonarQube)
• Terraform (or willingness to learn)
• Kafka / event-driven architecture (or willingness to learn)

What we're looking for

• Strong commercial experience with Node.js and TypeScript.
• Solid hands-on background in serverless or container-based microservices.
• Experience in designing and reviewing complex software modules.
• Strong testing mindset (Jest or similar).
• Comfortable in agile, fast-paced delivery environments.
• Curious, collaborative, and proactive — someone with a startup mindset.

If you're looking for an impactful contract role with modern tech and a genuinely exciting mission, we'd love to hear from you.

Apply now or reach out directly for more details.