Senior PHP Engineer


Are you a code-cruncher who knows the ‘ins and outs’ of dynamic software development?

What you’ll do

At Castor our stack,’s stacked! With PHP at it’s heart, our world comprises of (not limited to) PHP7, ZF 2/3, Github, Doctrine 2, Jenkins, Docker, MySQL, Ansible, ReactJS, Tideways and NewRelic to realise our vision, ensuring our products and tools embrace the frontier of innovation:

  • Designing, ‘debugging’ and writing code for a growing network of medical researchers

  • Analysing performance data and optimising bottlenecks to ensure we maintain our growth

  • Deconstructing user requirements to model optimal, scalable, solutions

  • Working on automated toolchains to construct and integrate our applications

  • Collaborating with and mentoring engineers, championing their technical growth

What you’ll bring

A repertoire of coding comprehension! Being a savvy and seasoned software engineer, you’ll know how to decrypt and improve legacy code whilst keeping yourself abreast of current trends:

  • Extensive practical experience with PHP, design patterns, OOP, and automated tests

  • Experience in scaling up cloud-based applications

  • A coding consortium of knowledge, being able to build new, globally scaling features

  • A positive approach to mentoring and supporting others in their development

What you’ll learn

It’s a crucial time for Castor. We’re on ‘full power mode’ and scaling-up at an exponential rate. For you, the opportunities are endless:

  • How to build robust ‘bulletproof’ security which protects patients medical data

  • Working with a diverse group of PHP practitioners (we have 50+ years behind our belts!)

  • To share your ideas openly and influence the growth of a true scale-up company

  • Be involved in maximising the impact of medical research and improving healthcare

What you'll get

At Castor we truly live and breath our core value, believing we can 'achieve anything with a healthy and happy team.' With this in mind, we offer the following benefits:

  • 30 days annual leave plus 6 bank holidays as standard
  • An annual company bonus scheme
  • An individual training budget for personal and professional development
  • Free lunch and healthy snacks
  • Flexible working with the option to work from home one day per week
  • A new MacBook or Dell laptop
  • Social offices with breakout spaces, table football and ping-pong