React.js Developer

Fogsphere - A Trading Name of Redev AI Ltd.; City Of London; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

ZERO micromanagement

Opportunity to work on cutting-edge challenges

Collaborative environment

Career growth opportunities

Job summary

A leading technology company based in London is seeking a skilled React.js Developer to join their front-end development team. The role involves developing user interface components, optimizing performance, and collaborating with back-end developers. They offer a competitive salary, a collaborative environment, and opportunities for career growth and continuous learning.

Qualifications

• Proficiency in JavaScript, including DOM manipulation.
• Thorough understanding of React.js and its core principles.
• Experience with popular React.js workflows like Redux.
• Familiarity with ECMAScript features and tooling.
• Experience with data structures libraries (e.g., Immutable.js).
• Knowledge of RESTful APIs and JWTs.
• Experience with front-end build pipelines (Webpack, Babel, NPM).
• Version control with Git.

Responsibilities

• Develop new user-facing features using React.js.
• Build reusable components and front-end libraries.
• Optimize components for maximum performance.
• Optimize components for performance across devices and browsers.
• Collaborate with back-end developers and designers to improve usability.
• Write JavaScript UI code following React.js workflows.
• Troubleshoot interface software and debug code.
• Ensure UI/UX designs are technically feasible.
• Stay updated with emerging front-end technologies.

Skills

JavaScript

React.js

Redux

ECMAScript

RESTful APIs

Git

JSON Web Tokens

Webpack/NPM/Babel

Git

TypeScript

Tools

Babel

Webpack

NPM

Job description

Fogsphere is a London‑based innovator focused on transforming workplace and urban safety through advanced AI, Computer Vision, and Industrial IoT. Built on a principled “Edge‑to‑Fog‑to‑Cloud” architecture, our platform turns passive CCTV cameras and sensors into proactive hazard detectors, capable of identifying threats like missing PPE, fire, smoke, restricted access violations, and more—in real time and at scale. This helps organizations across industries—from manufacturing, construction, oil & gas, and healthcare to smart cities—reduce workplace accidents by up to 90%, ensure regulatory compliance (EHS), and gain powerful operational insights. Fogsphere’s intuitive no‑code visual workflows, hyper‑scalable Kubernetes‑based infrastructure, and commitment to ethical AI and privacy (GDPR compliance) make it a user‑friendly yet enterprise‑grade solution.

About the Role

We are seeking a skilled React.js Developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.

Key Responsibilities

• Develop new user-facing features using React.js
• Build reusable components and front-end libraries for future use
• Translate designs and wireframes into high-quality code
• Optimize components for maximum performance across a vast array of web-capable devices and browsers
• Collaborate with back-end developers and web designers to improve usability
• Write application interface codes using JavaScript following React.js workflows
• Troubleshoot interface software and debug application codes
• Ensure the technical feasibility of UI/UX designs
• Stay up-to-date with emerging technologies and industry trends

Qualifications

• Proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (such as Redux or Flux)
• Familiarity with newer specifications of ECMAScript
• Experience with data structure libraries (e.g., Immutable.js)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Tokens
• Familiarity with modern front-end build pipelines and tools
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools such as Git

Preferred Skills

• Experience with TypeScript
• Familiarity with server-side rendering
• Knowledge of testing frameworks such as Jest or Mocha
• Experience with continuous integration/continuous deployment (CI/CD) pipelines

What We Offer

• ZERO micromanagement. At Fogsphere, developers work independently under the Head of Engineering, with a focus on open discussion and professional development, where the best ideas are the ones applied.
• Opportunity to work on cutting-edge front-end development challenges in some of the largest deployments in the field.
• Collaborative environment with a team of engineers based in multiple countries.
• Competitive salary and benefits package.
• Career growth and continuous learning opportunities.