Full Stack Developer

Company Overview

We are one of the UK’s top 25 fastest growing start-ups. We’re an independent marketing technology agency based in London and New York, on a mission to combine technology and creativity to solve brands’ problems. We bring together data, technology, content, and paid-media to drive revenue for brands. Our clients include Spotify, Google, Facebook, Nike, Waze, Just Eat, ASOS, Pret A Manger and adidas. Since being founded in 2014, Byte has grown to more than 90 brilliant people.

Our core services are:

  • Digital and social media strategy
  • Digital channel optimisation
  • Biddable social media planning and buying
  • Data analytics and insight
  • Creative ideas development
  • Digital content production
  • Social CRM design and implementation
  • Building marketing technology products
  • Influencer relationship management
  • Marketing technology consultancy

Job Purpose

The work is around application development, primarily for chatbots on Facebook Messenger, Slack or Twitter, with some portion of time spent building internal tools for data analytics and the media buying team. In the near future, we’re also looking to investigate how we can leverage emerging technologies for marketing (AI, ML, Voice and AR). This is an exciting opportunity for someone who wants to join a small but growing development team, but as it’s a small team you’ll need to be an all-rounder.

Key Responsibilities

  • Design, build and maintain Node.js based applications (typescript backend and React / Elm frontend)
  • Work with conversation designers to implement Facebook Messenger chatbots (and other messaging platforms)
  • Maintain the health of production systems
  • Work with other teams to think up new tools and ways to improve business efficiency
  • Investigate emerging technologies
  • Work alongside other members of the team to spread knowledge and ideas (e.g. pairing)

Previous Experience


  • js (previous experience in TypeScript preferred)
  • Relational databases and SQL (e.g. Postgres)
  • Cloud based operations (e.g. AWS, Heroku)
  • Test driven development (e.g. Mocha, Chai, Jest)
  • Experience working with version control (Git)
  • Able to thrive in a fast-paced working environment
  • Able to communicate clearly and concisely
  • Minimum three years of industry experience (or equivalent)

Nice to have:

  • Frontend / UX design in React or Elm
  • A functional programming language (e.g. Elm, Purescript)
  • Machine learning (e.g. Tensor Flow)
  • Natural language recognition (e.g. API.AI, IBM Watson)

Company Overview

To complement the team dynamic:

  • Sense of humour
  • Self-starting
  • Easily bored
  • No ego
  • Extremely motivated
  • Positive mental attitude
  • Professional
  • Adaptable and thrives with variety and change
  • Reliable and dependable
  • Calm and patient under pressure
  • Proactive and assertive
  • Inquisitive mindset
  • Honest and trustworthy
  • Learns quickly
  • Persistent and hard-working
  • Has high standards
  • Open to criticism and ideas
  • Clear communicator
  • Persuasive and inspiring


While we don’t have a subsidised canteen and unrivalled pension contribution to offer you, we can offer a degree of responsibility and flexibility that’s hard to find in a role anyplace else.

You will become an integral member of our team, and you will gain experience you wouldn’t get at a big corporate agency. You’ll be encouraged to follow your passions. You’ll be supported when you want to try something new. You’ll get to do a lot more than paper shuffling, making coffee and proofreading.

You’ll be working directly with founders who are well-known in their industry, who are experienced innovators and who understand how important it is for you to grow and learn.

Most of all, you’ll help create the company you want to work for.