Open Credo


**Please note this is an inside IR35 contract for 6 months initially**

OpenCredo (OC) is a UK based software development consultancy helping clients achieve more by leveraging modern technology and delivery approaches. We are a bunch of passionate technologists who thrive tackling complex challenges, delivering pragmatic and sustainable solutions for our clients. Curious, tenacious but always sensitive to our clients' context, we are not afraid to speak our minds to help steer our clients towards understanding and achieving their key goals.

A contract role for a Senior Server-side Ruby Engineer has opened up with one of our customers. The customer is a payments provider hosted on AWS. The project is to work on their existing customer onboarding server side components that require new features adding into their onboarding workflow. We are looking for high quality engineers that know what it takes to deliver modern, clean code into production reliably. Including high coverage of automated testing and modern pipelines. The project has some exciting additional features including creating liveness probes to external services and also some self-healing features within the workflows.


  • Work with some of the most exciting new technologies
  • Spark off co-workers who’ll challenge your thinking and help you to achieve your potential
  • Deal openly and honestly with customers
  • Work alongside senior leaders who understand and value passionate technologists


Core technical requirements for the role are as follows:

  • Ruby 2+
  • Rspec
  • Cucumber
  • ActiveRecord + DB migrations
  • Familiarity with REST APIs
  • Familiarity with Scrum

Additional nice-to-have skills

  • Jenkins
  • Familiarity/working knowledge of AWS
  • Familiarity of reading/writing to Kafka

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We are radical Problem Solvers

We are radical Problem Solvers

Adept at meeting a plethora of technology challenges, we modernise legacy systems, implement brand new solutions, and harness contemporary technologies. 

We can guide and strategise, architect and code, collaborate and empower. Being highly adaptable means we are able to work across diverse environments, industries and contexts. Ever pragmatic, we carefully curate our teams with our clients’ needs firmly in mind. 

We endeavour, at all times, to make the complex simple.