Software Engineer

Software Engineer

Posted Today by Vallum Associates

Negotiable
Inside
Remote
London Area, United Kingdom

Summary: The Software Engineer role focuses on developing and optimizing customer-facing digital touchpoints within a fast-paced Web/Mobile Squad for a major UK energy provider. The position requires extensive experience in React and involves enhancing web UI performance and refining mobile user journeys. This is a 6-month contract with a strong likelihood of renewal, and the role operates within an agile, collaborative team environment. The position is classified as inside IR35.

Key Responsibilities:

  • Contribute to the development and optimization of key customer-facing digital touchpoints.
  • Enhance web UI performance and refine mobile user journeys.
  • Collaborate with frontend and backend engineers, product owners, and designers.
  • Focus on delivering intuitive, high-quality experiences for customers.

Key Skills:

  • Strong experience with React (v16+) and building complex, scalable UIs.
  • Solid understanding of custom hooks, functional components, and modern state management patterns.
  • Background in developing customer-facing web or mobile applications.
  • Proactive mindset around code quality, testing, and collaboration.
  • Experience with mobile development (React Native or native iOS/Android).
  • Exposure to customer experience and journey optimization in high-traffic environments.

Salary (Rate): undetermined

City: London Area

Country: United Kingdom

Working Arrangements: remote

IR35 Status: inside IR35

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

Software Engineer – React (Web & Mobile) | 6-Month Contract Rolling Retail Energy Sector IR35: Inside IR35

Overview

We’re seeking a number of Software Engineer's with extensive experience in React to join a fast-moving Web/Mobile Squad within the retail division of a major UK energy provider.

Contract Details

Length: 6 months (initial), with strong likelihood of renewal

Location: UK-based, remote-first with occasional meetups

IR35: Inside IR35

What You’ll Be Doing

As part of a cross-functional squad, you’ll contribute to the development and optimisation of key customer-facing digital touchpoints. From enhancing web UI performance to refining mobile user journeys, you’ll play a central role in improving how customers engage with their energy products and services.

What We’re Looking For

Strong experience with React (v16+) and building complex, scalable UIs

Solid understanding of custom hooks, functional components, and modern state management patterns

Background in developing customer-facing web or mobile applications

A proactive mindset around code quality, testing, and collaboration

Experience with mobile development (React Native or native iOS/Android)

Exposure to customer experience and journey optimisation in high-traffic environments

Squad Environment

You'll work in an agile, collaborative team alongside frontend and backend engineers, product owners, and designers - all focused on delivering intuitive, high-quality experiences for customers.

If this sounds like the right fit, apply now for immediate consideration!