Senior Front-End Engineer for Progressive Web Application Development

7 hours ago


Remote Warszawa, Czech Republic SQUARE ONE RESOURCES Full time
Job Description

At Square One Resources, we are on the lookout for a seasoned Front-End Engineer with expertise in developing cutting-edge, scalable web applications.

About the Project:
We aim to build a state-of-the-art Progressive Web Application (PWA) designed specifically for remote training sessions between personal trainers and their clients. The application will feature seamless communication, real-time interaction, and an intuitive interface tailored to the fitness industry.

Key Responsibilities:
  • Designing, developing, and maintaining a PWA that enables personal trainers to host remote training sessions with their clients.
  • Implementing real-time features such as live video streaming, messaging, and notifications.
  • Ensuring the application is optimised for multiple platforms and devices.
  • Collaborating with cross-functional teams to integrate new functionalities and enhance user experience.
  • Troubleshooting and debugging to maintain the application's high performance and reliability.

Required Skills and Qualifications:

We are seeking candidates with exceptional skills in:

  • Swift: Proficient in creating responsive and dynamic mobile applications.
  • Java: Experience in building robust back-end solutions.
  • Vue 3.0: Skilled in developing modern, interactive front-end components.
  • Familiarity with Twilio for communication integrations (e.g., video and chat).
  • Understanding of Websockets for real-time data synchronisation.
  • Experience with Capacitor or Ionic for building cross-platform PWAs.


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