Front End Engineer React Senior / Lead

gb Client Server
London, UK
4 days ago
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Role details

Contract type
Temporary contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Compensation
£90,000.0
Working hours
Regular working hours

Tech stack

JavaScript (Programming Language) Application Programming Interfaces (APIs) Browser Compatibility Code Review Payment Systems Responsive Web Design TypeScript Web Performance Optimization ReactJS Delivery Pipeline Backend Real Time Data
+1 more
React Redux

Job description

Front End Engineer / Developer (React Senior / Lead) London / WFH to £90k

Would you like to join a scale-up technology company in an influential role where you can take ownership and see the business impact of what you do?

You could be progressing your career as a Front End Engineer, taking ownership of the Front End for the core product, a financial operating system for live events which reduces queue times for customers and maximises revenue for vendors.

As the lead Front End Engineer you will lead the architecture and development of front end applications, primarily using React, ensuring performance, maintainability and scalability across web products, remaining hands-on with the code.

You’ll collaborate closely with product and design teams to translate requirements into polished, accessible and responsive user interfaces and partner with backend engineers to integrate APIs, payment flows and real-time data.

You will have the autonomy to make critical technical decisions on front end tooling, architecture and build / release pipelines and mentor more junior front end developers, conducting code reviews and ensuring best practices.

Requirements

Initially (first 6 months) you’ll be expected to join the team in the London office 3-4 days a week so you can get a full understanding of the product and the team, following this there’s lots of flexibility including the ability to work abroad for part of the year., * You have experience as a lead or senior Front End Engineer / Developer, with advanced, hands-on skills in React

  • You have a strong knowledge of modern JavaScript / TypeScript, component driven architecture and state management (e.g. Redux, Context API)
  • You have experience building responsive, cross-browser, high-performance web applications at scale
  • You’re comfortable taking ownership and making the technical decisions
  • You’re keen to work in a start-up / scale-up environment, comfortable with ambiguity and changing priorities
  • You have excellent communication and collaboration skills

Benefits & conditions

  • Salary to £90k
  • Pension
  • Influential role with great career progression as the company scales
  • Potential equity

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Good distractions

Talks and stories from around this role — technically off-topic, practically not.

1:21 min

Exploring the target application for front end tests

Anna Mcdougall · JS Congress

2:32 min

Refactoring bulk frontend operations into scalable backend methods

Noam Honig · LIVE

2:55 min

Gaining TypeScript benefits using JSDoc alternatives

Simone Sanfratello · JS Congress

10:09 min

Transitioning from graphic design to large scale frontend architecture

Erasmo Hernandez Erasmo Hernandez · World Congress 2026 Europe

1:38 min

Transitioning into backend engineering from web development

Stefan Lingler Stefan Lingler +1 · Coffee With Developers

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Choosing TypeScript for complex backend applications

Maximilian Otto Maximilian Otto · World Congress 2024

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