Principal React Front-End Engineer

Summary: A Principal React Front End Engineer is sought for a fully remote 12-month fixed-term contract to lead technical initiatives for customer-facing web platforms within a prominent UK healthcare organization. The role requires a senior engineer with extensive React knowledge, architectural insight, and the ability to influence teams effectively. The engineer will oversee Front End strategy and ensure the application of modern technologies as the organization expands internationally. This position emphasizes mentorship, performance improvement, and alignment with business objectives.

Key Responsibilities:

• Set technical direction for large-scale React applications, ensuring long-term scalability and maintainability.
• Act as a hands-on technical leader, mentoring engineers and raising Front End engineering standards.
• Drive improvements in performance, resilience, accessibility, and developer experience across teams.
• Partner closely with architects, product leaders, UX, and DevOps to align Front End strategy with business goals.
• Influence best practices around testing, CI/CD, and modern JavaScript/TypeScript patterns.
• Strong command of modern React patterns (hooks, state management, testing, and application architecture).
• Experience designing scalable Front End platforms using TypeScript, automated testing, and CI/CD pipelines.
• A pragmatic, strategic mindset with the confidence to challenge, guide, and improve engineering outcomes.

Key Skills:

• Deep expertise in React and modern React patterns.
• Architectural vision for scalable Front End applications.
• Proficiency in TypeScript and automated testing.
• Experience with CI/CD pipelines.
• Strong mentoring and leadership abilities.
• Strategic mindset with a focus on performance and developer experience.
• Ability to influence and align teams with business goals.

Salary (Rate): £100000 yearly

City: Reading

Country: UK

Working Arrangements: remote

IR35 Status: fixed-term

Seniority Level: Senior

Industry: IT

Detailed Description From Employer:

A Principal React Front End Engineer is required on a fully remote 12month FTC to provide technical leadership for customer-facing web platforms at a leading UK healthcare organisation. This role is ideal for a senior engineer who combines deep React expertise with architectural vision and the ability to influence teams at scale.

You will take ownership of Front End strategy across a modernising platform used daily by customers, shaping how React, TypeScript, and micro Front End architecture are applied as the organisation expands internationally and invests heavily in engineering excellence.

You will -

• Set technical direction for large-scale React applications, ensuring long-term scalability and maintainability.
• Act as a hands-on technical leader, mentoring engineers and raising Front End engineering standards.
• Drive improvements in performance, resilience, accessibility, and developer experience across teams.
• Partner closely with architects, product leaders, UX, and DevOps to align Front End strategy with business goals.
• Influence best practices around testing, CI/CD, and modern JavaScript/TypeScript patterns.
• Strong command of modern React patterns (hooks, state management, testing, and application architecture).
• Experience designing scalable Front End platforms using TypeScript, automated testing, and CI/CD pipelines.
• A pragmatic, strategic mindset with the confidence to challenge, guide, and improve engineering outcomes.