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Back End Developer (PHP)

£30,000 - £35,000+ depending on experience. If you're at your happiest configuring servers and writing awesome APIs, we want you! We're looking for a brilliant Back End PHP Developer to join us and help change people's lives for the better. Apply today!

php developer

Make a difference with code

Are you looking to join an awesome team and work on technology that’s helping to make a difference to the world?

3 Sided Cube is a multi-award winning Digital Agency based in the UK, with a particular passion for building technology for good to change the world for the better.

Be it life-saving, life-changing or problem-solving, we champion the genius over the generic and have worked with some amazing charities and organisations such as The American Red Cross, UNHCR, Lush and the RNLI.

We’ve kept growing ever since we were founded in 2009 and now we’re looking for a talented Back End PHP Developer to join our team and help deliver incredible mobile applications. Our main offices are based in Bournemouth but the option to work fully remote is also available

What you’ll be doing:

  • Work with big data that saves lives
  • Support the Frontend and Mobile teams to build and maintain applications used by millions
  • Investigate and debug application issues at scale
  • Experiment with serverless and voice technology
  • Collaborate and communicate effectively across the organisation
  • Proactively learn and grow as a developer

Meet some of your team...



Backend Developer

Get to know Ben


PHP Developer

Find out more about Javi


Backend Developer

Get to know Will

What we're looking for:

  • A strong understanding of PHP and OOP
  • Experience using web frameworks such as Laravel or Symfony
  • Knowledge of relational databases and search systems e.g. MySQL, ElasticSearch
  • Experience developing and maintaining RESTful APIs
  • A strong understanding of web application security
  • Knowledge of version control systems (We use Git)
  • An understanding of approaches to scaling high traffic web applications
  • Experience configuring, maintaining and securing Linux servers
  • The following skills and experience would be useful but not essential:
    • Using containerised applications and tools such as Docker and Docker Compose
    • Knowledge of server orchestration tools such as Chef, Puppet or Ansible
    • Experience writing and maintaining testable code and test-driven development
    • Experience using CI & CD in a team environment
    • Experience working in a DevOps/cloud hosting environment e.g. AWS, Azure or Google Cloud.
    • Experience in a digital agency environment
    • Familiar with tools such as JIRA and Bitbucket

3 Reasons to join Team Cube


Tech For Good Projects

Help us save the world! Use cutting edge technology to work on global, life-saving projects with some amazing impact-focused charities and organisations. Take a look at some of our amazing previous projects…


Personal Development

Every member of our team has a personal plan of where they want to go and what they need to get there. Conferences, events, training and mentoring – we make sure you have the tools you need to reach your full potential


Personal Innovation Time

All our developers also get a week of Innovation Time every 3 months to work on a personal passion project – that could mean trying out a new language or prototyping an idea you’ve had for ages. The choice is yours!

What we offer:

  • Salary – £30,000-£35,000+ dependant on experience
  • Flexibility – Remote and hybrid working opportunities as well as flexible hours to suit you with a remote working budget to help you get set up at home!
  • Holiday – 23 days of holiday with an additional day for each year of service up to 28 days
  • Development – Personalised training plan as well as up to £1000 per year to spend on your personal development and training
  • Innovation Time – all our developers get a week of Innovation Time every 3 months to work on a personal passion project – that could mean trying out a new language or prototyping an idea you’ve had for ages. The choice is yours!
  • Giving back to the wider community – 3 days out of work every year to volunteer for a ‘for good’ organisation as well as a donation to a charity of your choice on your birthday
  • Health and wellbeing – Fully subsidised counselling services, Cycle to Work scheme and every Friday, lunch is on us!
  • Office space – If you’re going to be working from our office you can expect a fun, relaxed environment. We’re pet-friendly, have a fully stocked kitchen and recreational facilities such as a pool table. We also offer free parking if you choose to drive in (although we’re very close to the train station and bus routes!)
  • Social events – Regular team events throughout the year such as team building initiatives, lunch-time beach cleans, BBQ’s in the summer (we’re only a short walk from the beach!) and our annual Awards Ceremony to celebrate the year’s achievements and your own



Send your CV with a few words on why you want to join the team to

Published on May 4, 2022, last updated on May 4, 2022