Backend Developer (Python) – Mid‑Level

About the role

Join Aubay Portugal as a Backend Developer focused on Python. You will work on critical systems for banking, insurance and other large organisations, helping to evolve applications that serve millions of users.

Key responsibilities

• Develop, maintain and test backend components, with 60‑70% of the work in Python.
• Gather, document and analyse application requirements in an Agile environment.
• Maintain and enhance applications used for counterparty rating and LGD calculation.
• Identify performance bottlenecks and propose optimisation improvements.

Required profile

• At least 3 years of professional experience as a Mid‑level Backend Developer.
• Strong proficiency in Python and C#.
• Solid knowledge of SQL/T‑SQL, ORM or Micro‑ORM (e.g., Dapper) and Web API development.
• Experience with automated testing (unit, integration, functional) using pytest, NUnit and Selenium.
• Familiarity with CI/CD pipelines, Azure DevOps, Git, XL Release and XL Deploy.
• Positive, collaborative mindset with good organisational skills and basic UI knowledge (Telerik Kendo UI is a plus).
• Good English level (minimum B2) and strong communication abilities.

Required skills

• Python
• C#
• SQL/T‑SQL
• ORM / Micro‑ORM (Dapper)
• Web API
• pytest
• NUnit
• Selenium
• Azure DevOps
• Git
• XL Release
• XL Deploy
• Telerik Kendo UI (optional)

What we offer

• Continuous learning through a Training Academy, mentoring and tech communities.
• Structured career advancement with regular feedback.
• Comprehensive health insurance, dental coverage and mental‑health resources.
• Hybrid work model tailored to the project.
• Team‑building events and support for personal and family life.