Node.js Contractor – AI Tool Replatforming
Remote | Outside IR35 | £450–500/day
We are looking for an experienced Node.js contractor to help replatform and modernise an internally developed AI-driven data platform.
The existing tool was rapidly developed by a member of the technical team using AI-assisted development tools and is currently running locally on a laptop environment. We now need an experienced engineer to rewrite/refactor the application into a secure, production-ready Node.js solution suitable for deployment within our server infrastructure.
The Role
You will take ownership of analysing the current Python-based application and rebuilding/refactoring it into a scalable and maintainable Node.js platform.
The application:
* Pulls data from multiple external sources including:
* RSS feeds
* Websites
* APIs
* Processes and stores data within a database
* Includes a front-end interface for displaying and interacting with the data
A key part of the engagement will be ensuring the rebuilt platform is secure, robust, and capable of passing penetration/security testing.
Required Skills & Experience
* Strong commercial experience with Node.js
* Experience refactoring or rewriting existing applications
* Solid understanding of secure software engineering practices
* Experience building applications that integrate with APIs, web scraping, and data feeds
* Database design and integration experience
* Front-end development capability (React/Vue/modern JS frameworks beneficial)
* Experience deploying applications into production server environments
* Understanding of authentication, security hardening, and application resilience
* Ability to work independently and make pragmatic architectural decisions
Desirable
* Previous experience working with AI/LLM-powered applications
* Python experience to help interpret the existing codebase
* Experience preparing systems for penetration testing/compliance review
* DevOps/cloud infrastructure experience
Contract Details
* Contract: Outside IR35
* Rate: £450–500 per day
* Location: Fully remote
* Start: ASAP
* Duration: Initially 10-12 weeks but potential for extension
We’re looking for someone pragmatic, technically strong, and comfortable taking an early-stage internal tool and turning it into a secure, production-grade platform.