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Back-end Developer (Node.js, Ruby, RESTful web services)

Jumar Solutions Ltd

Posted on Sep 20, 2021 by Jumar Solutions Ltd

London, United Kingdom
3 Oct 2021
Daily Salary

Job Title: Senior Developer - Interim/Contractor
Location: Home Based - hybrid mode - 2 days a week travel to Bristol/London/Manchester
IR35 Status: Inside IR35
Day Rate: £550 per day umbrella (Inside IR35)
Contract Length: 6 months


  • build RESTful web services to serve a variety of citizen and government needs, taking responsibility for the quality of code you produce

  • implement toolkits and APIs for purposes such as integration, performance optimisation, security and scalability

  • build automated tests to support our continuous deployment environment

  • share knowledge of tools and techniques with your wider team, both developers and non-developers

  • act as a digital ambassador across government, supporting recruitment, identifying good practices for GDS to adopt and sharing experiences, eg through blog posts, tech talks at conferences etc

  • support the live operation of the services we run, and participate in out-of-hours support rotas where necessary - you'll be paid an allowance, and a further hourly payment, for any duties you perform when on call

  • be involved in helping recruit developers and where appropriate, helping sift and interview

  • provide technical leadership within team, advising and working with developers to identify the best solutions

  • have and apply broad knowledge of web technologies

  • take responsibility for solving complex issues


  • have experience in Back End development with detailed knowledge of either Node.js and/or Ruby

  • understand software design principles

  • can confidently and independently research and learn new programming tools and techniques

  • take a systematic approach to solving problems

  • have experience of using automated testing and test driven development to validate solutions

  • understand agile environments and version control

  • have a good understanding of web and software security

  • have an awareness of web accessibility

  • have an awareness of technologies used for web applications, eg databases, backups, CDNs and search, and of Unix-like operating systems, eg Linux and/or Mac OS

  • have experience working on, or with web technologies

  • are familiar with working practices such as TDD, continuous integration, continuous delivery and DevOps

Clearance level - BPSS

Currently working remotely but will be looking to return to the office 2 days a week as part of hybrid working

If you are interested in being considered, please submit your application ASAP to Jackie Dean at Jumar for an immediate response and informal discussion - the CV closing date is Wednesday 22nd September 2021.

Reference: 1328367742

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