Back End Developer - C /.Net

Back End Developer - C /.Net
Porto
Porto, Porto District, Portugal

? 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 10 international offices: Paris, Lyon, New York, Montreal, London, Brussels, Geneva, Lisbon, Porto and Casablanca. Committed to sustainability (Ecovadis Gold), diversity (gender index: 92%), and quality of work life (Best Workplace Experience), Quanteam is a
- 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 Back End Developer C# /. NET

? Main Tasks

• Design and implement solutions using . NET and SQL Server
• Develop, maintain, and optimize efficient, reusable, and reliable code
• Ensure high performance, quality, and responsiveness of applications
• Identify and resolve bottlenecks, bugs, and technical issues
• Maintain code quality, enforce best practices, and support team collaboration
• Contribute to application architecture and continuous improvement initiatives

? Your Profile & Skills

• Strong experience with . NET Framework and. NET Core (3. 1+) up to. NET 8
• Skilled in C# backend programming and applying SOLID principles
• Proficient in database management (Microsoft SQL Server, Mongo
  DB)
• Hands‑on experience with Entity Framework / EF Core
• Knowledge of event‑driven architecture (Rabbit
  MQ, Mass
  Transit)
• Experience with API Gateways (Ocelot)
• Solid practice in unit and integration testing (Xunit, NSubstitute)
• Agile mindset with focus on craftsmanship and clean coding practices
• Good to have: exposure to CI/CD tools (Azure Pipelines, XLDeploy, XLRelease), code quality/security tools (Sonar
  Qube, Checkmarx), and end‑to‑end testing

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