Javascript Developer
Posted 3 days ago by TRIA
£67 Per hour
Outside
Remote
United Kingdom
Summary: The role is for an experienced Node.js contractor tasked with replatforming and modernizing an AI-driven data platform. The contractor will analyze and refactor an existing Python application into a secure, production-ready Node.js solution. Key responsibilities include ensuring the platform's security and robustness while integrating with various data sources. The position is fully remote and offers a competitive daily rate outside of IR35 regulations.
Key Responsibilities:
- Analyze the current Python-based application and rebuild/refactor it into a scalable Node.js platform.
- Ensure the rebuilt platform is secure, robust, and capable of passing penetration/security testing.
- Integrate the application with multiple external data sources including APIs, RSS feeds, and websites.
- Design and integrate databases for data processing and storage.
- Develop a front-end interface for data display and interaction.
- Make pragmatic architectural decisions and work independently.
Key Skills:
- 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.
Salary (Rate): £500.00/day
City: undetermined
Country: United Kingdom
Working Arrangements: remote
IR35 Status: outside IR35
Seniority Level: undetermined
Industry: IT
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.