React / Javascript Engineer

Front End Developer in London, ENG

Posted 2019-05-17


Acting as a senior member of our small engineering team, the React engineer will help lead development on diverse and interesting projects to improve and evolve all aspects of the codebase. This is an outstanding opportunity to build your skillset across all parts of the tech stack, ship features to an audience of 10’s of Millions of users and learn from intelligent developers using new technology.

We are looking for someone with proven experience delivering a sizeable React application to production. Good knowledge of JS and React is essential, experience with mobile platforms is a considerable plus.

We use Relay to manage the data from our GraphQL API, so experience with that (or something similar like Apollo) is fantastic. We also test heavily and enforce type-safety on the frontend, so let us know if you have experience with Jest and Flow.

The Team

We have a large user base, but a small development team with a flat and flexible structure.The team consists of 16 developers with a wide range of experience and interests. We're an agile, driven and entrepreneurial group of creatives and technologists committed to helping each other grow. We care deeply about providing engineers the space to evolve and encourage self starters.

Our Tech Stack

React/React Native, StyledComponents, Relay, FlowType, Source Control, Continuous IntegrationI/Continuous Deployment, Python (Django), GraphQL (3+ years live, 400+ Million queries a day), Fast dedicated servers / Infrastructure, Kubernetes + Docker, Terraform + Puppet, Nginx, MySQL/MariaDB, GlusterFS, Elasticsearch, Redis / Memcached, RabbitMQ, Github + CI systems.
We value techniques such as linting, automatic code formatting, unit tests, coverage reporting, snapshot testing, integration tests and type systems.


Mixcloud is an audio streaming platform connecting a global community of listeners and creators through audio culture. Listeners can access a unique collection of over 15 million radio shows, DJ mixes and podcasts produced and uploaded by over 1.3 million passionate tastemakers and curators around the globe. As a critical part of the global music and cultural landscape, we empower DJs, radio hosts, podcasters and tastemakers to build and inspire fan bases.

Mixcloud also helps connect brands to music and culture under our brand partnerships arm, LOUD. We create cutting-edge cultural solutions for brands such as adidas, W Hotels, Sonos, Dr. Martens, Eventbrite, and more. Whilst we have a great foundation in place, this is the beginning of the next phase of our journey. We are looking for smart and hungry people to join our incredible team and help us realise our vision.

Required Skills
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