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Development Team Lead - Ruby, JavaScript, Agile

  • Job reference: 31530
  • Location: Oxfordshire
  • Job type: Permanent
  • Start date: Not specified
  • Contact: Not specified
  • Sector: Digital and Development
  • Salary: £65000 per annum

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You will have the opportunity to use your experience and passion to deliver first-class solutions to our Ruby on Rails platform and JavaScript content architecture working alongside dedicated and talented colleagues.


You will be able to develop yourself and the team by:

  • Providing day-to-day leadership, helping the team to manage their work according to Agile principles.
  • Providing technical leadership to ensure that innovative and fit for purpose solutions are selected.
  • Working with other Development Team Leads and Technical Consultants to help set technical directions and incorporate common technical directions and policies.
  • Developing a robust and maintainable test workflow working alongside the Test Lead.

You will help us deliver high quality and innovative solutions by:

  • Being involved in the full software development lifecycle - from brainstorming to development to dev-ops.
  • Creating a great user experience by writing well-designed and efficient code
  • Delivering high quality and robust solutions by performing functional and non-functional unit and component testing
  • Understanding business requirements to assess operational feasibility and determine acceptance criteria.
  • Writing and maintaining great documentation.

Building on your existing skills you will be encouraged to further develop specialist knowledge in relevant programming languages, tools and techniques and to demonstrate how these can be applied to further drive innovation and improvement.


Essential skills and experience:

  • Excellent team leadership skills.
  • Experience in leading or coaching teams of developers.
  • First-rate in JavaScript/NodeJS, React and Redux skills and a desire to stay technically hands-on.
  • Experience developing and supporting Ruby / Ruby on Rails applications.
  • Deep and broad technical skills in delivering high-transactional online systems.
  • Experience writing JavaScript unit tests with libraries such as Jest, Enzyme, Mocha, Chai and frameworks like Nightwatch, Protractor, Jasmine, etc.
  • An excellent understanding of HTML5, CSS3 and emerging Web Standards.
  • Extensive experience making solutions work across all browsers, using polyfills and transpilers where necessary.
  • Exposure to fundamental web technologies such as Ajax, HTTP, Proxy Caching, REST and XML/JSON exchange formats.
  • Experience with git/GitHub or other similar source control solutions.
  • Knowledge of common design patterns and strong OOP/FP knowledge.
  • Previous experience working in an Agile environment, delivering through Scrum, Kanban etc.
  • Ability to identify functional and non-functional requirements.
  • A working knowledge of Mac/Linux command line.


  • Experience with Isomorphic apps and/or making the same code work on server and client-side.
  • An interest in the evolution of ECMAScript, including ES6, ES7 and ESNext.
  • Experience with languages that transpile to JavaScript, especially typed-supersets like TypeScript and Flow.
  • Experience working asychronously with remote colleagues from around the world.
  • Knowledge of Continuous Integration tools, particularly Circle CI, Travis and Jenkins.
  • Experience or an interest in Functional Programming techniques and languages (e.g. Clojure, Lisp, Haskell/Elm).
  • Architecting and hosting of applications in cloud-based environments (particularly AWS).
  • Docker application containerisation
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