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LLM/.NET Software Engineer

On-site in Spain·Full-time·Added 1 month ago

Wizeline

12 open roles

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Overview

Job details

Full-time hours
Per the ad.

Requirements

Have the right to work in Spain
Wizeline doesn't mention sponsorship in the ad.
Work in English
English is required, per the ad.
Work on-site in Spain
No relocation package mentioned.
University degree
“BS/MS in Computer Science, Engineering, or a related field.” — per the ad.

Requirements

What we're looking for

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

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

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.

The role

What you'll do

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.

About Wizeline

Wizeline is a global software engineering and product development company that partners with enterprises to build digital platforms, data solutions, and AI-driven products. Founded in 2014, the company has grown to over 1,000 employees across offices in the Americas, Europe, and Asia, serving clients in industries such as finance, healthcare, retail, and technology. Wizeline is known for its agile delivery model, combining engineering, design, and data science to help organizations modernize their technology stacks and scale innovation.

In Spain, Wizeline has a significant presence with offices in Barcelona and Madrid, where it hires engineers, data specialists, and AI/ML experts. The company is actively expanding its Spanish teams, offering hybrid work models and opportunities to work on global projects with international clients. For international professionals, Wizeline provides a multicultural environment, English as the working language, and a strong focus on continuous learning and career growth, making it an attractive option for those looking to relocate to Spain.

Industry: Software Engineering
Founded: 2014
Employees: 1,000–5,000
Headquarters: San Francisco, USA
In Spain: Barcelona, Madrid
Website: wizeline.com

Good to know if you are moving

Wizeline has offices in Barcelona and Madrid, with hybrid work options for many roles, making it easier for international hires to settle in Spain.
English is the primary working language at Wizeline, so non-Spanish speakers can work comfortably without needing to learn Spanish immediately.
The company offers a global, multicultural environment with teams across the Americas, Europe, and Asia, providing exposure to diverse projects and clients.
Wizeline invests in employee development through learning programs, mentorship, and opportunities to work on cutting-edge AI and cloud technologies.
Spain-based roles often include competitive compensation packages and support for relocation, though specifics vary by position.

In their own words

About the company & team

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.

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.

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