Full-Stack Developer

Full-Stack Developer - Spain, Valencia - 6 Months Initial Contract

Our client, an international IT service provider, is seeking a Full-Stack Developer to join them as a contractor, with the option to work fully remote in line with CET or on site in Spain. Starting at an initial 6 month contract, multiple extensions are expected and there is great, long-term potential.

Responsibilities:

• Implement an AI workflow to automate business processes by interacting with popular large language model (LLM) models, such as OpenAI, Mistral, and leveraging their tools' calling and structured output capabilities.
• Interact with relational databases, such as Microsoft SQL, and utilize Object-Relational Mapping (ORM) libraries and REST APIs, written in .NET.
• Monitor the development progress.
• Ensure that the code developed adheres to organization’s coding standards.
• Ensure the project deliverables meet business objectives.

Requirements:

• Good experience in Web application development
• Expertise using modern TypeScript and JavaScript, and have experience with React.js and, ideally, Next.js.
• Experience with .NET Technologies
• Familiarity with Artificial Intelligence development tools such as Cursor, Windsurf, Visual Studio Copilot, and interaction with LLM Models API with structured output and tool Calling.
• Proven experience with various front-end web application development frameworks

If this role is of interest to you, please

#LI-AM1