Senior Ruby Engineer

Senior Ruby Engineer Permanent

  • Location: Berkshire, England
  • Salary: £65000 - £85000 per annum
  • Sector: Software Engineer (Front to Back)
  • Consultant:

We're looking for an experienced Senior Ruby Engineer to help us build a series of major enhancements to our SAAS platform and infrastructure. You'll have worked on high availability transactional systems, helping to analyse, design and implement improvements to ensure they can scale effectively. You'll understand the challenges in building a large complex web application.

The development team is 16-20 developers and although this role takes responsibility for Senior led technical decisions, there is a development manager who deals with the day to day management of the team, allowing you to really focus your efforts on delivery.

This role would suit a Senior Developer who is looking for fast track carer progression.


  • Design and implement application and infrastructure components
  • Analyse and improve efficiency, scalability and stability of system
  • Work with developers to create new features and functionality
  • Advise on best practices from large-scale application experience
  • Mentoring other developers via coaching, pair programming and code reviews

Requirements and skills:

  • Proven experience of building high availability, large-scale web apps and infrastructure
  • Expert knowledge developing and debugging in Ruby
  • Understanding and implementation of distributed message-based systems
  • Solid competency with SQL (MySQL), non-relational data stores and caching strategies (Memcached)
  • Comfortable with Linux and the command line


  • Experience with container technologies e.g. Docker
  • Experience with JavaScript e.g. Node, Angular, jQuery
  • An interest in functional programming
  • Practical experience with non-relational data stores

And also:

  • A desire to develop into a Lead Engineer role
  • A passion and flair for all things web tech
  • Excellent communication and documentation skills
  • Accountability, responsibility and flexibility


We are an award winning SaaS platform and our development team power the technology behind thousands of dating sites around the world.

We have development offices in London and Windsor and offer our team great working conditions. We encourage our team to find opportunities to grow, challenge themselves, attend meet-ups/conferences and foster innovation with regular hack days. We advocate a healthy work life balance, offering flexible working patterns, free snacks and drinks, private health cover and a great pension scheme.

Propel are the UK's largest independent provider of permanent and contract recruitment services to the global digital economy, specialising in commercial, marketing, technical and creative talent. Services advertised by Propel are those of an Agency and/or an Employment Business. Please be aware that we receive a high volume of applications for our roles, many from people who meet or exceed the requirements. Whilst we try to respond to as many applicants as possible, you can assume that you have not been selected for interview if you do not hear from us within 14 days.

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