Llm/.Net Software Engineer

Wizeline; Barcelona; Presencial; EUR 90.000 - 120.000; Jornada completa

Descripción de la vacante

Wizeline is seeking an experienced .NET engineer to design and deliver secure, scalable backend applications powered by Generative AI on Microsoft Azure. You will implement AI-enabled solutions using Azure OpenAI, AI Search, and RAG, owning features end-to-end and collaborating with cross-functional teams to ensure production readiness.

You will work on high-impact projects that automate workflows, improve efficiency, and deliver measurable business value, while upholding security and

Formación

• Strong experience developing C#/.NET (Core / 6+).
• Proven backend design for secure, scalable enterprise apps.
• Hands-on REST API development and consumption.
• Deep Azure expertise including App Services, Functions, and cloud-native patterns.
• Practical Azure OpenAI usage for chat and completion features.
• Experience with Azure AI Studio/Foundry and RAG solutions.
• Knowledge of Azure AI Search with hybrid retrieval and citation-backed results.
• Knowledge of data sources prep: chunking, indexing, embeddings.
• SQL and relational DBs; secure software development & cloud security practices.
• Clear English communication with stakeholders.

Responsabilidades

• Design and build secure, scalable .NET applications powered by LLMs on Azure.
• Develop AI-enabled solutions using Azure OpenAI, AI Search, and RAG.
• Own features end-to-end from discovery to production readiness.
• Collaborate with Product, Platform, Data, Security, Risk, Compliance and business teams.
• Build reusable, cost-efficient cloud-native services on Microsoft Azure.
• Ensure AI solutions are explainable, auditable, and compliant with best practices.
• Improve development standards, code quality, and technical innovation.
• Work on impactful Generative AI projects to automate workflows and value.

Conocimientos

C#/.NET

REST APIs

Azure

Azure OpenAI

RAG

Azure AI Search

SQL

Security

English comms

Herramientas

Azure Functions

App Services

Kubernetes

CI/CD

Descripción del empleo

Descripción del trabajo

The Company

Wizeline is a global 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.

Your Day-to-Day

Here’s what you’ll be doing in your day-to-day work:

• Design and build secure, scalable .NET applications powered by LLMs and Azure AI services.
• Develop AI-enabled solutions using Azure OpenAI, Azure AI Search, and Retrieval-Augmented Generation (RAG).
• Own features end-to-end, from discovery and proof of value through implementation and production readiness.
• 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.
• Ensure AI solutions are explainable, auditable, secure, and aligned with engineering best practices.
• 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.

Are You a Fit?

Sounds awesome, right? Now, let’s make sure you’re a good fit for the role.

Must-have Skills

• Strong experience developing applications using C# and .NET (.NET Core / .NET 6+).
• Experience building secure, scalable, enterprise-grade backend applications.
• Hands-on experience developing and consuming REST APIs.
• Experience with Microsoft Azure, including App Services, Azure Functions, and cloud-native architectures.
• Practical experience building applications using Azure OpenAI Service for chat and completion capabilities.
• Experience with Azure AI Studio / Azure AI Foundry.
• Experience implementing Retrieval-Augmented Generation (RAG) solutions.
• 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 preparing knowledge sources for AI retrieval, including:
  • Document chunking
  • Indexing
  • Embeddings/vectorization concepts
  • Knowledge of prompt engineering best practices and responsible AI principles.
• 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.

Nice to have Skills

• Experience working in Financial Services, Banking, FinTech, or Financial Crime (FinCrime) domains.
• 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 OpenAI and other foundation models.
• Familiarity with frameworks such as LangChain, Semantic Kernel, or similar orchestration frameworks.
• Experience with vector databases and modern AI application architectures.
• Experience with Docker, Kubernetes, and DevOps practices.
• Knowledge of CI/CD pipelines and Infrastructure as Code.
• Experience implementing automated testing (xUnit, 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. Wizeline is invested in its employees' growth, offering opportunities to create personalized career paths and develop in-demand skills. We even have a free education program, Wizeline Academy, to help both employees and the broader community upskill in tech.

Please note that by submitting your application, you agree with the terms and conditions of our Privacy Policy.