Hire a Senior React Developer in London — UK-Vetted, IR35-Compliant

From £5,000/moZero IR35 Risk3-Stage Vetting30-Day Rolling

Last updated: June 20258 min read

Quick Answer

ClickMasters provides vetted React Developers for businesses in London and across London. Our React Developers are ClickMasters employees — not contractors — meaning zero IR35 liability for your business. No Status Determination Statement required. No HMRC risk. Rates from £5,000/mo/month for mid-level through £8,000/mo/month for technical lead. UK right-to-work verified for every engineer. 3-stage technical vetting. 30-day rolling contracts. 2-week replacement guarantee.

Why Hire Through ClickMasters?

Every developer we place is an employee of ClickMasters — not a contractor. That distinction changes everything.

Zero IR35 liability: Our engineers are ClickMasters employees. You engage us as a company — one monthly invoice, no SDS, no HMRC exposure.

3-stage technical vetting: Live coding (React component architecture), hooks deep-dive, performance optimisation challenge, accessibility (WCAG 2.1...

UK right-to-work verified: Share Code check or passport verification completed before any placement.

2-week replacement guarantee: Not working out within 30 days? We replace at no extra charge.

On-site availability: On-site or hybrid available anywhere in Greater London. Hybrid arrangements (2–3 days) are the most common.

30-day rolling contracts: No 6-month minimum commitments. Scale your team up or down monthly.

London Developer Rates — 2025 Pricing

All rates are monthly, per developer. No hidden fees. No IR35 surcharges.

Engagement
Mid-Level
Senior
Tech Lead
Monthly Rate
£5,000/mo
£5,000/mo
£5,000/mo
IR35 Position
N/A — Employees
N/A — Employees
N/A — Employees
Contract
30-day rolling
30-day rolling
30-day rolling
Replacement
2 weeks
2 weeks
2 weeks

All developers are ClickMasters employees. Zero IR35 liability for your business.

Every Developer. Three Stages. No Exceptions.

We don't just check CVs. Every developer goes through our rigorous 3-stage process before they're presented to you.

1

Technical Assessment (2–3 hours)

hours) Every React Developer completes a 2–3 hour technical assessment designed by ClickMasters senior engineers. The assessment is practical — not algorithmic puzzles. It covers: Live coding (React component architecture), hooks deep-dive, performance optimisation challenge, accessibility (WCAG 2.1) review. Only candidates who pass all sections proceed to Stage 2.

2

Reference & Background Check

Two professional references verified from previous technical managers or clients. UK right-to-work verification (Share Code check or certified passport copy). Senior roles: direct conversation with previous technical manager to discuss working style, strengths, and development areas.

3

Communication & Culture Screen

minute call with ClickMasters Head of Engineering covering: communication style (critical for remote/hybrid collaboration), collaborative approach, feedback receptiveness, UK professional norms. React Developers who can't communicate well technically are not placed — regardless of technical ability.

Frequently Asked Questions

Everything you need to know about hiring in London.

For roles we have on our bench in London or remote-UK: typically 1–2 weeks from initial conversation to start date. For specialist React Developer roles requiring targeted recruitment: 2–4 weeks. We will give you an honest timeline estimate on first call — we don't oversell availability.

Yes — On-site or hybrid available anywhere in Greater London. Most London developers comfortable with Zone 1–3 commutes. Remote-first culture strong post-2020. Most of our London placements are hybrid (2–3 days on-site). Fully on-site is possible for roles requiring daily physical presence.

Hire in Other Cities

Same vetting. Same quality. Different location.

Hire a Developer in London

30-minute team-planning call. Tell us the role, we give you timeline, rates, and IR35 clarity.

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