Full-Stack Developer

Quanta Consultancy Services Ltd; Valencia; A distancia; EUR 40.000 - 60.000; Jornada completa

Descripción de la vacante

An international IT service provider is seeking a Full-Stack Developer for a 6-month initial contract in Valencia, Spain, with the possibility to work remotely. Responsibilities include implementing AI workflows, interacting with relational databases, and ensuring code quality. The ideal candidate should have extensive experience in web application development, proficiency in TypeScript, JavaScript, and .NET technologies. Opportunities for contract extension are expected.

Formación

• Extensive experience in web application development.
• Expertise in modern TypeScript and JavaScript.
• Experience with .NET Technologies.

Responsabilidades

• Implement an AI workflow to automate business processes.
• Interact with relational databases and utilize ORM libraries and REST APIs.
• Monitor the development progress.

Conocimientos

Web application development

TypeScript

JavaScript

React.js

Next.js

.NET Technologies

Artificial Intelligence tools

SQL Databases

REST APIs

Descripción del empleo

Overview

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 utilise 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

• Requires extensive 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
• Experience or familiar with Artificial Intelligence development tools (such as Cursor, Windsurf, Visual Studio Copilot) and interaction with LLM Models API with structured output and tool Calling.
• Strong experience with various front-end web application development frameworks
• Broad knowledge of SQL Databases and back-end integrations.