Senior .NET Developer – Banking & Anti-Fraud Technology

Empower anti-fraud innovation — build resilient systems that protect and redefine banking security!

Porto-based hybrid opportunity with 3 days remote work per week.

As a Senior Back-End Developer, you will be working for our client in the banking industry, contributing to the development of cutting-edge anti-fraud technology. Join a forward-thinking team dedicated to enhancing security measures and modernizing financial services — a role where your expertise drives impactful change and career growth.

Your main responsibilities:

• Design and upgrade applications using C#, .NET, and .NET Framework to ensure robustness and scalability.
• Develop and optimize SQL databases, including complex stored procedures and views, to support secure transaction processing.
• Establish automated testing frameworks to improve code quality and deployment efficiency.
• Implement and maintain RESTful APIs that enhance system interoperability.
• Apply SOLID principles and design patterns to write clean, maintainable code.
• Collaborate within agile teams to deliver continuous value and innovative solutions.

You're ideal for this role if you have:

• Over 8 years of experience in back-end development within the banking or finance sectors.
• Strong proficiency in C#, .NET, and SQL.
• Hands-on experience with automated testing frameworks.
• Solid understanding of RESTful APIs and SOLID principles.
• Experience working with agile methodologies.
• Fluent English communication skills (B2 or higher).

It is a strong plus if you have:

• Experience with DevSecOps tools, Angular, IIS, or Azure DevOps.
• Knowledge of Azure cloud services.

Language Required for the role:
Fluent English command (C1/C2 level).

Eligibility for the role:
Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER
Interested? Apply now and include your CV in English, along with a statement confirming your consent to the processing and storage of your personal data.