Senior React Developer (TypeScript) – Build Complex Energy Platforms

JR United Kingdom; Hemel Hempstead; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading organization in the energy sector is seeking a Senior React Developer (TypeScript) in Hemel Hempstead. You will tackle advanced programming tasks to create robust applications that support critical control room operations. This role involves designing scalable front-end systems, managing complex data flows, and contributing to a forward-thinking team drive innovation.

Benefits

Competitive day rate with strong extension potential

Opportunity to shape critical systems for energy control teams

Join a forward-thinking, agile team

Qualifications

• Advanced React & TypeScript experience with strong programming fundamentals.
• Skilled in managing complex state/data flows and performance tuning.
• Background in regulated sectors (energy, finance, utilities) preferred.

Responsibilities

• Design and deliver scalable front-end systems using React and TypeScript.
• Work with large datasets and integrate secure APIs/microservices.
• Modernise and refactor legacy codebases to enterprise standards.

Skills

React

TypeScript

Node.js

HTML/CSS

Docker

Azure

Performance Tuning

Tools

Next.js

Material UI

Job description

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Senior React Developer (TypeScript) – Build Complex Energy Platforms, hemel hempstead

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Client:

GL Global

Location:

hemel hempstead, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

3

Posted:

04.06.2025

Expiry Date:

19.07.2025

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Job Description:

Senior React Developer (TypeScript) – Build Complex Energy Platforms

Are you a React expert ready to take on high-impact, data-intensive challenges? Join a leading organisation in the energy sector, building robust internal applications that support mission-critical control room operations.

This is not your typical front-end role. You’ll be tackling advanced programming tasks, managing complex data streams, and delivering powerful tools that help ensure the stability of the energy grid.

• Design and deliver scalable front-end systems using React, TypeScript, and Next.js
• Work with large datasets and integrate secure APIs/microservices
• Modernise and refactor legacy codebases to enterprise standards
• Collaborate in a DevSecOps environment with strict CI/CD and compliance requirements

Experience:

• Advanced React & TypeScript experience with strong programming fundamentals
• Skilled in managing complex state/data flows and performance tuning
• Experience with Node.js, Material UI, HTML/CSS, Docker, Azure
• Background in regulated sectors (energy, finance, utilities) preferred

Why Apply?

• Shape critical systems used daily by energy control teams
• Join a forward-thinking, agile team driving real innovation
• Competitive day rate with strong extension potential