Senior Backend Developer (RL11072) York, England

Salary: GBP40000 - GBP40000 per annum

Senior Backend Developer

Location: York

Salary: £40,000

Castle IT division are looking for an experienced backend developer to help drive a varied of key projects for a large forward thinking company with an extensive IT division. We are looking for someone with a passion for technology, with a drive to create exciting, innovate products. 


Role and Responsibilities

  • Designing and building new features and services
  • Developing new REST APIs
  • Writing unit tests to ensure high code coverage
  • Reviewing team members code to ensure a high-standard
  • Mentoring and supporting other team members
  • Estimating time and planning for implementation
  • Suggesting and investigating alternative technologies to solve business issues
  • Monitoring traffic and reviewing server performance
  • Ensuring documentation is correct and up-to-date
  • Training and knowledge transfer to the team
  • Leading the team to ensure standards and processes are met and followed
  • Maintaining the database systems
  • Developing the Continuous Integration system
  • Create and maintain server configurations and provisioning
  • Debugging and resolving bugs and performance issues


Skill and Experience 

We are looking for someone with a strong background in Backend development, with a minimum of 3-4 years commercial experiences with the following skill sets:



  • Solid development experience in a commercial environment.
  • Solid understanding of modern PHP development.
  • Experience with PHP frameworks; preferably Symfony or Laravel
  • Commercial experience with version control in a team environment
  • Ability to approach existing code, grasp its purpose and make changes confidently
  • Experience with writing unit & integration tests
  • Knowledge of coding standards and their application
  • Experience with LAMP stack architecture, particularly in a cloud environment
  • Experience with Docker & Ansible
  • Continuous integration
  • Mentoring a team
  • Security conscious approach to development
  • Understanding of caching and cache strategies


Experience with any of these technologies would also be a bonus:



  • Elasticsearch/Elastic Stack
  • MongoDB
  • RabbitMQ
  • Redis
  • AWS
  • Git
  • Jenkins
  • SupervisorD



There are varied of benefits including:

- 28 days holiday including bank holidays

- Flexitime package

- free on-site gym

- Incremental holiday bonus scheme - up to 5 days extra

- Staff discount scheme

- Free work wear provided

- Free staff nights out and events 

- On site creche available 

- Free hot drinks 


If you are interested in this role or would like more information please do call Castle on 01723 500643 or send your CV to