Principal Software Engineer (Python)

Python Software Engineer Job Opportunity

JOB TITLE: Principal Software Engineer (Python)

REPORTING TO: Technical Delivery Manager 

LOCATION: Remote, Hybrid and Office based options available 


This role involves working as a lead Python developer within a distributed agile development team developing new-to-market containerised multi cloud applications. Successful candidates should be highly motivated self-starters with both deep and diverse experience of serverless cloud platforms. Innovation, initiative, continuous improvement and career progression is expected of successful candidates.


  • – Provide technical leadership to teams
  • – Architect, design and implement technical solutions for customer projects using Python. 
  • – Agile requirements specifications, component designs and interface specifications. 
  • – Test-driven development, component testing and participating in system and integration testing. 
  • – Contribute to peer reviews of designs, code and test specifications. 
  • – Mentor junior team members. 


  • – 10 years’ experience in software engineering roles, including software design, architecture, development and test of scalable, reliable production software. 
  • – At least 5 years recent python development experience, including the use of python typing. 
  • – Developing for containers, with knowledge of Docker and Kubernetes. 
  • – High-scale, highly available REST API microservice architectures using container-based and serverless service. 
  • – Experience developing for, and deploying python applications to public or private cloud. 
  • – Test Automation experience including TDD and BDD using pytest and other test automation tools. 
  • – Familiarity with common web services, technologies, architectures and related practices to make them reliable 


  • – Cloud fundamentals certificate in AWS, Azure and/or Google Cloud Platform. 
  • – Thorough understanding of SQL and NoSQL databases. 
  • – Experience with Pydantic data validation using python type annotations. 
  • – Experience of Atlassian Jira and Confluence.