Frontend Developer (React.js)

Our whole engineering team embraced ReasonML 2 years ago and later moved to ReScript. These days all new functionality is written in ReScript on both frontend and backend. We're looking for a product-thinking frontend engineer who is interested in new technologies and is constantly learning new things.
ReScript/ReasonML as well as functional programming experience would be great but is not necessary.
JavaScript experience with React is required.
As a Frontend developer, you'll be responsible for the architecture, design, development, and testing of our design platform and contribute to engineering best practices, documentation, and architecture decisions.
You will also be required to support and mentor other engineers, including pair programming and pull request reviews.

Budget: €70k-€80k/year

Must haves:

At least 7 years of professional experience;
Worked on key functionality for a cloud-based product
A "get it done" attitude and a background of delivering superb work, again and again experience building and delivering React/Redux applications that have seen actual production usage.
An understanding of the latest JavaScript features.
An understanding of common browser APIs and recent extensions to the HTTP protocol as they relate to frontend development.
An understanding of how to write secure frontend code and an awareness of common web application security vulnerabilities.
You must be familiar with testing and have the ability to write unit tests/specs (we use popular JavaScript testing frameworks) by collaborating with the engineering, product and the design team, you will be required to add more features to our landing page builder to enable creators to create unique designs

Location of work: Remote (Portugal & Brazil)