React Engineer at Vallum Associates in England, United Kingdom | Kablio

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React Engineer

Employer undisclosedRole managed by a recruiter

Frontend Engineer building React web/mobile customer experiences for UK energy retailer.

20 days ago ago

Expert & Leadership (13+ years), Intermediate (4-7 years), Experienced (8-12 years)

Contractor

England, United Kingdom

Hybrid

Your recruiting firm

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High-quality recruitment at fair prices.
Placement of candidates in energy, utilities, renewables, insurance, tech, and commodities.
Operates across the UK, USA, Europe, Middle East, and APAC.
Builds dedicated teams for large-scale engineering and energy projects.
Forms long-term strategic partnerships, embedding consultants as extensions of client teams.
Combines recruitment with project consultancy, often assembling whole teams rather than filling single roles.
Assignments include senior insurance roles at Lloyd’s Market and specialist MEP/FP engineers on major builds.

About the client

About the client

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Role

Description

web ui

mobile journeys

performance optimization

digital touchpoints

agile collaboration

customer interaction

You'll be embedded in a cross-functional squad that looks after digital touchpoints for their existing customer base. Whether it’s improving the performance of web UIs or refining their mobile journeys, you'll play a key role in shaping how millions of customers interact with their energy services.

You’ll work alongside experienced frontend and backend engineers, product owners, and designers in an agile setup.

Requirements

react

react native

ios

android

custom hooks

state management

Exposure to customer experience or user journey optimisation in a high-traffic product
Length: 6 months (initial), strong possibility of extension
Experience working on customer-facing web or mobile applications
Experience developing mobile apps (React Native or native iOS/Android)
Solid understanding of custom hooks, functional components, and modern state management
React (v16+) with strong experience in building complex UIs

Benefits

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Training + Development

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Interview process

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Visa Sponsorship

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Security clearance

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