Senior .NET Developer

Who is Volkswagen Financial Services?It's been more than 70 years since Volkswagen Financial Services AG financed the first Volkswagen vehicles in Germany in 1949. A lot has changed since then, but our core goal hasn't; ensuring we meet the mobility needs of the people.Volkswagen Financial Services today operates in 48 markets through its various subsidiaries, shareholdings, and joint ventures. Volkswagen Financial Services is the largest provider of automotive financial services worldwide. At VWFS Porto, we are proud to foster a gender-equal workplace, where diversity is celebrated, and every individual is provided with equal opportunities to thrive and succeed.We are looking for:A Senior .NET Developer with a strong focus on authentication and cloud-based solutions, to join our team working closely with international colleagues in HQ. You will play a key role in developing and enhancing the authentication layer for a wide range of services, supporting our transition to the Azure Cloud and ensuring secure, scalable solutions for the entire company.Your responsibilities will include:Working as a Senior .NET Developer in a dedicated, product-focused team on the development and enhancement of REST services and products.Contributing to the Aurora Identity Platform, integrating identity providers (e.g., VW Group) with VWFS AG applications.Designing and implementing secure authentication and authorization solutions (Identity Provider, PhotoTAN, Multi-Factor Authentication) for dealer systems, banking platforms, and more.Collaborating with business units and IT to develop new ideas and solutions for diverse requirements.Creating and maintaining automated tests, continuously improving quality and reliability.Advising national and international customers and users on the capabilities and use of the Aurora Framework and cloud platform.Taking responsibility along with your team for the quality and security of the solutions delivered. To succeed in this role, you should have:Extensive practical experience with internet security mechanisms such as SAML, OAuth, OpenID Connect, ADFS 2019, and Duende Identity Server.Several years of experience developing service-oriented systems (SOA, REST Services, WebAPI).Deep knowledge of multi-layer architectures and internet applications using Microsoft .NET C#, Visual Studio 2019/2022, and Azure DevOps Services with Git repositories.Experience with UI technologies (HTML, CSS, JavaScript, React) is a plus.Strong experience with Azure core resources (App Services, WebJobs, KeyVaults, Storage Accounts, LogAnalytics/Application Insights).Ability to work independently, efficiently, and proactively within larger, international teams.Excellent communication skills, both spoken and written, in English (at least B2 level). German language skills would be a nice to have.What we Offer• Long-term contract.• Competitive package including private health insurance, life insurance and meal allowance (pay by meal card).• Bonuses and benefits depending on performance.• Schooling allowance and Pension Scheme.• Solid performance evaluation and career management methodologies.• Continuous training – technical and behavioural development. • Incredible and unique annual company events.• Opportunity to work on an international project and be part of multicultural and multidisciplinary team.