The Company Wizeline is a integral digital services company helping mid-size to Fortune 500 companies build, scale, and deliver high-quality digital products and services. We thrive in solving our customer's challenges through human-centered experiences, digital core modernization, and intelligence everywhere (AI/ML and data). We help them succeed in building digital capabilities that bring technology to the core of their business.

NET applications powered by LLMs and Azure AI services. Develop AI-enabled solutions using Azure Open AI , Azure AI Search , and Retrieval-Augmented Generation (RAG) . Collaborate with Product, Platform, Data, Security, Risk, Compliance, and business stakeholders to deliver AI solutions in regulated environments.

Build reusable, reliable, and cost-efficient cloud-native services on Microsoft Azure . Contribute to improving development standards, code quality, and technical innovation across the team. Work on impactful projects that leverage Generative AI to automate workflows, improve operational efficiency, and deliver measurable business value.

Must-have Skills Strong experience developing applications using C# and. NET (. NET Core /. NET 6+) .

Experience building secure, scalable, enterprise-grade backend applications.

Experience with Microsoft Azure , including App Services, Azure Functions, and cloud-native architectures.



Practical experience building applications using Azure Open AI Service for chat and completion capabilities.

Experience with Azure AI Studio / Azure AI Foundry . Strong understanding of Azure AI Search , including: Hybrid retrieval Semantic ranking Citation-backed responses Understanding of when to leverage RAG versus prompt engineering or fine-tuning .

Experience working with SQL and relational databases. Understanding of secure software development and cloud security best practices. Ability to collaborate effectively with Product, Data, Security, Compliance, and business stakeholders. Strong communication skills in English.

Familiarity with AI use cases such as: KYC / KYB Name Screening Transaction Monitoring Fraud Detection Cross Border Payments Case Investigation Experience evaluating different LLM providers and understanding trade-offs between Azure Open AI and other foundation models.

Experience with vector databases and modern AI application architectures.

Experience with Docker, Kubernetes, and Dev Ops practices.

Experience implementing automated testing (x Unit, NUnit, or similar). BS/MS in Computer Science, Engineering, or a related field.

About Us Wizeline prioritizes a culture of diversity and development for its nearly 2,000 person team spread across the globe. We believe great technology comes from a mix of talents and perspectives. Our core values of ownership, innovation, community, and inclusivity are central to our work.

📌 .NET Software Engineer /.NET Developer (Madrid)
🏢 Wizeline
📍 Madrid