We are hiring: Senior Software Engineer (Python)

Purpose

Reporting to your Team Leader the Senior Software Engineer will be an integral part of the PARIS Software Engineering function. As part of a cross-functional product team, you will be responsible for developing and supporting new and existing features within a sub-domain of our asset optimisation platform PARIS.

How we work at Joulen.

• We value collaboration and teamwork.
• We favour pair-programming so that everyone understands the context of their sub-domain and the features they are working on.
• We practice trunk-based development and continuous integration and consider every commit as deployable.
• We value quality; we treat broken tests as failures and fix as a matter of priority.
• We practice TDD and use BDD.
• We automate where it makes sense, and where we can.

Key Responsibilities:

• Hands on development and maintenance of new and existing features to a high standard
• Contribute to the development and maintenance of robust test suites at unit, integration and acceptance test levels.
• Contribute to the architecture and design of services within your sub-domain of the PARIS platform to maximise quality, scale and resilience.
• Provide 2nd level customer support (bug fixing and issue resolution) for the services and applications of the PARIS platform provided by your product team
• Work closely with stakeholders and delivery managers to onboard and support Joulen customers
• Foster a culture of innovation, collaboration, and continuous improvement.
• Design and develop backend services including well-structured, extensible APIs for customer-facing apps and external consumers.
• Design and develop services for optimal throughput and low latency
• Design and develop backend services including well-structured, extensible APIs for customer-facing apps and external consumers.

Essential Criteria

• Degree level education in a STEM subject
• Strong experience working with automated test frameworks
• Strong experience with the manipulation of complex datasets.
• Proven experience of agile software delivery
• 5+ years’ experience
• Strong Python development experience building backend services, including type hints and data validation, with hands-on use of FastAPI or Flask.
• Experience working with a relational database (such as Postgres) including SQL skills.
• Experience using pytest for testing.
• Highly numerate
• Available to work additional hours as necessary
• Hybrid working (3 days working in office)

Desirable Criteria

• Experience of authentication and authorisation implementations.

What we offer

• Competitive salary
• 20 days annual leave plus 11 public holidays
• Option to buy additional annual leave
• Pension
• Life Assurance
• Private Medical Insurance
• Paid sick leave
• Company volunteering day

If you are interested in applying for this role please send your CV detailing relevant experience to careers@joulen.com