Staff Frontend Developer - Outside IR35 Contract
Posted Today by Burns Sheehan
£800 Per day
Outside
Hybrid
London Area, United Kingdom
Summary: The role of Staff Frontend Software Engineer involves contributing to the development of software for autonomous robotics within a BioTech scale-up. The position requires a hands-on approach in a senior team, focusing on UI architecture and performance while influencing technical decisions. The engineer will leverage expertise in JavaScript and React to build and enhance products rapidly. This contract role is hybrid, based in Central London, and offers a competitive daily rate.
Key Responsibilities:
- Own critical parts of the UI and its architecture, ensuring performance, usability, and resilience.
- Provide strong insights on frontend patterns, API design, and integration with backend technologies.
- Contribute as a hands-on developer in a small, senior team.
- Shape technical direction and influence decisions within the team.
Key Skills:
- Proven expertise in JavaScript and React, including modern practices and shadcn experience.
- Experience building products from scratch or pivoting products quickly, preferably in startup/scaleup environments.
- Ability to track the latest trends and experiment with new tools to enhance product quality.
Salary (Rate): £800 daily
City: London
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: outside IR35
Seniority Level: Senior
Industry: IT
Contract | Staff Frontend Software Engineer | £600-£800/day Outside IR35
React Software Engineer £600-£800/day Initial 6 Month Duration Outside IR35 Hybrid - Central London (3 days a week)
We are partnered with a well-funded scale up in the BioTech sector who are developing software to support autonomous robotics. They are building cutting edge, fully customisable, autonomous technology to support critical workflows, enhancing efficiency, reducing errors and reducing workload.
They are seeking a Staff Frontend Engineer to be a hands-on contributor in a small, senior team, while also shaping technical direction and influencing decisions. The company moves fast, thinks globally, and is obsessed with building something that lasts.
What will you be doing:
- Own critical parts of the UI and its architecture, ensuring performance, usability, and resilience.
- Bring strong views on frontend patterns, API design, and how the frontend and backend fit together (they currently use Python, REST, GraphQL, microservices).
What They Are Looking For:
- Proven expertise in JavaScript and React, including modern practices and shadcn experience.
- A track record of building products from scratch or pivoting products at speed, ideally in startup/scaleup contexts.
- A mindset for tracking the latest trends and experimenting with new tools to raise the bar.
Contract | Staff Frontend Software Engineer | £600-£800/day Outside IR35