Front end - React senior developer

About Onoff

Onoff is the mobile application imagined by Taïg Khris and which is revolutionizing mobile telephony. Our application allows you to have an additional real mobile number just by downloading our App! We already have over 2 million downloads, and we recently launched Onoff Business to transform mobile telephony in the B2B area.

Thanks to our technology, any employee can finally combine a personal number and a professional number, in a single phone! You can discover more here https://onoff.app

Mission

We are looking for an experienced frontend developer with a solid knowledge of modern web technologies, experience in building and designing scalable frontend applications, and design systems.

What you'll be doing:

Maintain and improve the whole company's frontend infrastructure built with a modern React.js / Redux / TypeScript stack

Implement new features for our B2B and B2C platforms in close collaboration with design and product teams 

Build a design system using styled-components and Storybook.js

Write unit- and e2e-tests with Jest and Cypress

What you'll need:

Proficient understanding of modern frontend development technologies

Extensive experience building applications in React.js / Redux / TypeScript stack

Frontend architectural skills

A high bar for the quality of code and quality of user experience

A passion for performance, accessibility, and API design

Excellent communication and organizational skills

Attention to detail

Professional working proficiency in written and oral English

Bonus points:

Some cool open-source projects on Github

Understanding of backend technologies

Experience working with Gatsby.js and/or Next.js

What we can offer you

Employment in a forward-thinking company that’s proud of its fluid startup mentality

A lively working atmosphere, with international colleagues

We’re a mobile tech startup with global ambitions...why wouldn’t you want to be involved?! Sounds like a good opportunity?

We believe there’s nothing more awesome than working with awesome people. So, if you think you're up to the challenge, we want to hear from you.