Full Stack Javascript Engineer


Date listed

2 months ago





Total Funding

$2.5 billion

In a world where we spend more time on screens than not, Opal is a partner to your digital well-being, helping you save time, find focus and develop a healthier, more balanced relationship with screens.

Since launch in January 2021, we have raised $5.5m from great investors who share our vision.

The Opal full-stack team is responsible for everything JavaScript, from frontend clients to backend services. The team is early stage, so there are lots of opportunities to make your mark!

Our stack includes:
  • TypeScript
  • React & ES6 Features
  • Node.js
  • Koa.js
  • Test-Driven Development
  • WebSockets
  • AWS

This position is fully remote!

What you will be doing
  • Design and build the frontend and backend components of the Opal web infrastructure;
  • Collaborate with the product team to define app features;
  • Ensure quality and performance of application;
  • Write tests of code for robustness, including edge cases, usability, and general reliability;
  • Work on bug fixing and on improving the application performance;
  • Maintain the application code base;
  • Design and implement application updates;
  • Continuously discover, evaluate, and implement new technologies to maximize development efficiency;

What you should bring along
  • 2+ years of experience developing for the web;
  • Experience with React.js, Node.js, Databases, API development, third-party libraries.
  • Proficient in code versioning tools like Git;
  • Experience with continuous integration;
  • Ability to take initiative and employ good judgment;

Would be nice to have
  • Experience with Amazon Web Services;
  • Experience with Test Driven Development;
  • Experience in VPN technology is a plus;
  • Experience with Server deployment, OAuth and web sockets, and Chrome Extensions;
  • Familiarity with push notifications, APIs, and cloud messaging;
  • Interest in Artificial Intelligence;
  • Passion for personal projects & development, saving people's time, helping people feel better, and/or mindfulness in general.

Recent projects
Some projects the Full Stack JavaScript team recently worked on are:
  • Creating ElasticBeanstalk environments in AWS
  • Setting up user accounts
  • Creating multiplayer rooms for sharing sessions (including live data with Socket.IO)
  • Setting up a React frontend with Next.js for web payments

Hiring Process
  • Our hiring process includes the following steps:
  • Step 1: Initial online assessment (1 hour)
  • Step 2: Interview: Non-technical with full-stack engineer (1 hour)
  • Step 3: Take home code test
  • Step 4: Interview: Code test review (1 hour)
  • Step 5: Offer extended

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