Senior Ruby on Rails Developer

Ministry of Justice (MOJ)

  • UK, Central London
  • to £500 per day
  • Contract , 6 months
  • Full time
  • Industry: Government, IT & Telecoms
  • Discipline: Public Sector,Developing (Software) ,Web Development,HTML,CSS,Javascript


CV DEADLINE: Wednesday 19th September at 05:30 PM


As a senior developer at MOJ Digital & Technology you will be designing and building web systems that make a genuine difference to people’s lives.

You’ll make sure we build things the right way, keeping up to date with the latest technologies and trends, whilst delivering working software early and often.

At MOJ you’ll be working on our acclaimed open-source public services, with user needs at the heart of everything, helping us transform Government for the future. Working as part of a multi-disciplinary team, you’ll be helping define how we do what we do, and making sure that our systems are built to be changed rapidly.


You will have demonstrable experience of agile development in Ruby and a good working knowledge of modern back end web frameworks such as Rails or Django, as well as an understanding of front end development in HTML, CSS, and Javascript.

An understanding of version control (ideally with Git) is essential, as is an awareness of automated testing techniques, modern deployment approaches and how cloud infrastructure is managed.


Build user-centred, open source, RESTful web systems to serve a variety of citizen and government needs

Be responsible for development of large areas of projects, or small projects in their entirety

Build automated tests to support our continuous deployment environment

Share knowledge of tools and techniques with the wider team and community, both developers and non-developers

Transform government into a more agile organisation by helping to embed modern development practices

Help build and maintain a diverse, inclusive culture across the development community, growing awareness, inclusivity, and balance

Occasionally participate in 2nd line support during office hours, and sometimes out of hours (for which you’ll be paid an allowance and further hourly payment when on call)

Possibly manage a small number of less experienced developers

Help with hiring, taking part in recruitment of other developers

All our developers should have:

Experience of software development with significant knowledge of Ruby

A systematic approach to solving problems

Experience using automated tests to continuously validate your work

Experience of modern development and deployment techniques, including continuous integration and continuous delivery

Experience working in agile environments

Enthusiasm for sharing knowledge and working in a multi-disciplinary team

A working knowledge of unix-like operating systems such as Linux and Mac OS X

An awareness of technologies used for web applications, e.g databases, backups, CDNs and search, and of Unix-like operating systems, eg. Linux and/or Mac OS


The ability to quickly learn new languages and frameworks and willingness to pick the right tool for the job

The ability to manage technical debt appropriately and proportionately

Knowledge of open source principles and technologies

Familiarity with practices such as TDD, continuous integration, continuous delivery, and DevOps

Experience of mentoring and supporting your colleagues, whether one-to-one or in groups

Ministry of Justice (MOJ)
  • Quote ref: 990039/7402
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