Front-end Developer

Added: 09/06/2025
💼 Colossus Bets
🌍 London, England, United Kingdom
🕒 Full-time
💷
🏷️ react
🏷️ angular
🏷️ javascript
🏷️ redux
🏷️ css

Job description Colossus Bets is looking for a Front End Developer to maintain and enhance their hybrid Android/iOS application built with Capacitor. The role involves a broad range of responsibilities due to the company's size and growth.

Responsibilities

  • Manage the core whitelabel product for a network of 20+ betting companies.
  • Maintain and develop features for the hybrid Android/iOS application.
  • Manage Play Store and App Store releases (certificates, provisioning profiles, private keys).
  • Continuously improve applications using the latest technologies.
  • Implement social network SDKs and assist with digital campaign tracking.
  • Find technical solutions, plan timelines, and collaborate with other teams.

Requirements

  • 5+ years of commercial experience with Angular (version 19).
  • 5+ years of experience with Capacitor and/or Cordova.
  • Excellent understanding of modern JavaScript frameworks (Angular, Vue, React).
  • Experience with RESTful JSON APIs.
  • Experience with CSS preprocessors (LESS, Sass, Stylus).
  • Version control (Git).
  • Good knowledge of TDD and BDD.
  • Knowledge of Single Page Applications and Responsive UI design.
  • Knowledge of Redux pattern and related libraries (NGRX, Akita).
  • Experience with Agile environments.

Benefits

  • 25 days holiday per annum + UK bank holidays.
  • Private health & dental insurance.
  • Optical cover through Aviva.
  • Pension plan.
  • Gympass membership.
  • Breakfast and lunch provided.
  • Free coffee & snacks.
  • Regular team events and socials.

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