ITDS Portugal
ITDS is a leader in outsourcing IT engineers and works with various web and mobile technologies for over 30 global clients. It has been recognized as one of the 1000 fastest-growing companies in Europe for three consecutive years, Great Place to Work, and the Forbes Diamond award in 2023. ITDS currently has more than 600 IT professionals working in Portugal, Poland, and the Netherlands.
About company Senior C#/.NET Developer – Financial Services
On-site
Porto
July 6, 2026
Unleash innovation in financial technology — drive transformative solutions with expert C#/.NET mastery!
Porto-based opportunity with hybrid work model (up to 3 remote days per week).
As a Senior C#/.NET Developer, you will be working for our client within the financial services industry, focusing on building and maintaining cutting-edge solutions that enhance performance and reliability. Join a dynamic team dedicated to delivering impactful digital transformation projects, and advance your career in a forward-thinking environment.
Your main responsibilities:
- Implement and maintain solutions within the .NET environment using C# and .NET technologies.
- Develop, optimize, and ensure the performance, quality, and responsiveness of applications.
- Identify and resolve bottlenecks and bugs to improve system efficiency and stability.
- Contribute to maintaining high standards of code quality and organization through best practices.
- Mentor and coach junior and new software developers to foster expertise and team cohesion.
You're ideal for this role if you have:
- Over 5 years of professional experience in C#/.NET development.
- Proficiency in SQL Server, including experience with SQL Server Integration Services.
- Experience with C# for frontend and backend application programming.
- Strong knowledge of KISS and SOLID principles, as well as Entity Framework/EF Core.
- Familiarity with relational databases and good coding practices, including pull request reviews.
- An agile mindset with a focus on craftsmanship and continuous improvement.
- Excellent communication skills in English at a fluent (C2) level.
It is a strong plus if you have:
- Frontend technologies experience.
Language Required for the role:
- Fluent in English (spoken and written).
Eligibility for the role:
- Only candidates with an existing legal right to work in Europe will be considered for this role.
#MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.
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