Senior React Developer

Added: 10/02/2025
💼 With Intelligence
🌍 London, England, United Kingdom
🕒 Full-time
💷
😊 Hybrid
🏷️ react
🏷️ javascript
🏷️ typescript
🏷️ css
🏷️ html
🏷️ responsive design
🏷️ apollo
🏷️ python
🏷️ php

Job description With Intelligence is looking for a Senior React Developer to contribute to the development of a data-rich investment platform. The company is leveraging AI/ML to create a fluid, event-based ecosystem and seeks a skilled developer to build performant and functional tooling for customers.

Responsibilities

  • Design and develop user interfaces using React.js and NextJS.
  • Maintain and develop an Apollo GQL server.
  • Participate in code reviews and ensure code quality.
  • Optimize web applications for speed, security, and scalability.
  • Stay updated on frontend trends and technologies.
  • Contribute to frontend development process improvements.
  • Provide technical guidance to junior developers.

Requirements

  • Proven experience as a React Developer with a strong portfolio.
  • Strong TypeScript experience.
  • Experience with GQL, Apollo preferred.
  • NodeJS experience is a plus.
  • Unit testing experience is essential.
  • Extensive knowledge of JavaScript, HTML, CSS, and web technologies.
  • Experience with RESTful and GQL APIs.
  • Strong understanding of responsive design.
  • Experience with Git.
  • Excellent problem-solving and communication skills.

Benefits

  • 24 days annual leave (rising to 29)
  • Enhanced parental leave
  • Medicash (Health Cash Plans)
  • Wellness Days
  • Flexible Fridays
  • Birthday day off
  • Employee assistance program
  • Travel loan scheme
  • Charity days
  • Breakfast provided
  • Social events
  • Hybrid working

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