Who are we?

As the founding entity of RAINBOW PARTNERS, Quanteam is a consulting firm specializing in the fields of Banking, Finance, and Financial Services. Guided by our core values of closeness, teamwork, diversity, and excellence, our team of 980 expert consultants, representing 35 different nationalities, collaborates across 12 international offices: Paris, Lyon, New York, Montreal, London, Brussels, Geneva, Lisbon, Porto, Casablanca, Madrid and Singapore. Committed to sustainability (Ecovadis Gold), diversity (gender index: 92%), and quality of work life (Best Workplace Experience), Quanteam is a forward-thinking enterprise.

Our Expertise

With a dual expertise in both business and IT, Quanteam supports its corporate clients (investment banks, asset management companies, private and retail banks, custodians, etc.) across the entire Front-to-Back spectrum in evolving their business activities and transformation projects.

Our teams are organized into 5 expertise areas:
➡ Quantitative Finance
➡ Risk, Compliance, and Regulatory
➡ Operations and Finance
➡ Transformation and Organization
➡ Information Systems
In 2023, Quanteam generated a revenue of €74.6 million.

We are looking for a Senior Backend Developer (. NET / C#)

Main Tasks
Design, develop, and maintain backend applications using C# and. NET (Core 3.1+, 8).
Implement solutions integrated with Microsoft SQL Server and Mongo DB.
Apply and advocate clean code practices and SOLID principles.
Ensure high performance, scalability, and maintainability of developed features.
Collaborate in code reviews and enforce development standards and best practices.
Participate in the identification and resolution of application performance issues and bugs.
Contribute to the evolution of the architecture, especially in event-driven contexts.
Implement and maintain unit and integration tests to ensure reliability of applications.
Work in an agile team with a strong focus on software craftsmanship.

Main Skills & Requirements
Mandatory:
Strong experience with C# and. NET/. NET Core (3.1+ and/or 8).
Solid understanding of object-oriented design and SOLID principles.
Experience with Entity Framework / EF Core.
Proficiency in Microsoft SQL Server and Mongo DB.
Experience with messaging systems (Rabbit MQ, Mass Transit).
Familiarity with gateway patterns (e.g., Ocelot).
Experience in writing and maintaining unit and integration tests (Xunit, NSubstitute or similar).
Agile mindset with a focus on quality and continuous improvement.
Proficiency in English
Nice to Have:
Experience with CI/CD tools and pipelines (Azure Pipelines, XLDeploy, XLRelease).
Knowledge in static code analysis and security tools (Sonar Qube, Checkmarx).
Understanding of End-to-End testing frameworks and methodologies.
Exposure to Dev Ops principles and release automation.

Hybrid Role in Porto.

If you feel this opportunity is for you, send your CV and join our team!