Senior Engineer

Let's Do This helps you discover epic endurance events, whether it's your first 5k run or your tenth Ironman triathlon. We are here to inspire millions of people to have life changing experiences. Come and join one of the 3 highest growth companies out of YCombinator, backed by some of the best VCs in the valley and 24 times over subscribed on the last funding round. If you are passionate about sports, or health and fitness more generally, this is the dream place for you.

You will be working with some of the brightest minds from Facebook and Google and solving complex problems in a rapidly growing startup. This position is a rare chance to shape the culture and strategy of a firm that is a truly category defining business with founding members including an Olympic gold medallist and a really unashamedly elite engineering team. There is also another product team in London and will be opportunities to work in both locations and with a 25 day holiday allowance and another office in Sydney there are also ample opportunities to travel!

You'll be working across the whole stack - from automating infrastructure to UI-driven features. Some of our upcoming challenges include:

Front-end: an SEO-optimized, eye-wateringly performant web client Search: a lightening fast search service across hundreds of thousands of race tickets, leveraging Elasticsearch Recommendation: multi layered recommendation engine predicting exactly what races an athlete wants to do next Time/ difficulty prediction: Using huge data sets to predict the difficulty of certain experiences and the time it will take a specific individual to complete them Data-ingestion: a data-ingestion pipeline to keep our huge database of races updated in real-time Mobile: a mobile app that will connect hundreds of thousands of users with the best races in the world

Our stack is React, Typescript, Node, GraphQL, Redis, MongoDB and Docker - all backed by AWS (inc. Lambda).