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Mirai Talent

Frontend Developer

Remote

London, United kingdom

£ 50 /hour

Freelance

23-12-2025

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Skills

Python JavaScript HTML CSS PostgreSQL Version Control Databases git Front-end Development Numpy Flask FastAPI

Job Specifications

Front-End Developer (Contract)

Outside IR35 | 3 months | Fully remote (UK-based) | Immediate start

We’re working with an established AgriTech startup in a strong period of growth and demand, looking for an experienced Front-End–leaning Developer to support an internal product team and a long-standing contractor engineering squad.

This is an immediate Outside IR35 contract, ideal for someone who enjoys coming in, making an impact from day one, and helping level up a product during a busy and exciting phase.

The Role

You’ll play a key role in the upgrade of an internal portal, with a strong focus on:

Front-end/UI improvements and user experience enhancements
Supporting API upgrades and integrations
Working closely with engineers to deliver clean, scalable solutions quickly

While the bias is firmly towards front end, you’ll also be comfortable dipping into the back end where needed.

What You’ll Be Doing

Leading and contributing to internal portal UI upgrades
Improving usability, performance and overall UX
Building and consuming APIs to support new functionality
Collaborating with engineers across product and platform
Delivering pragmatic, production-ready code in a fast-moving environment

Skills & Experience

Essential

Strong Front-End development experience (with some back-end capability)
Extensive Python experience, including FastAPI, Flask, NumPy
Experience working with relational databases, particularly PostgreSQL
Solid understanding of UI/UX principles and portal-based applications
HTML, CSS and Javascript
Git and modern version control workflows

Nice to have

Experience with RasterIO
Previous work within AgriTech, geospatial or data-heavy product

What's in it for you?

Outside IR35
Fully remote (UK-based)
Join a startup with real momentum and purpose
Work alongside a high-quality, established engineering team
Make a visible, positive impact from day one

I

f this sounds like your kind of contract, let’s talk!

About the Company

Mirai is passionately committed to driving proactive change in DE&I (diversity, equity, and inclusion) within the technology & data industries. Established with the mission to empower data leaders, we ensure that they have the right individuals to build elite, diverse teams. Our specialisation lies in scaling high-performing teams that thrive on inclusivity and represent a wide array of backgrounds and perspectives. We offer talent solutions for both permanent and contract positions and are dedicated to delivering excep... Know more