Senior GenAI Full-Stack Engineer - Barcelona/Madrid Hybrid

InnoIT Consulting; Barcelona; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Hybrid work model

Competitive salary

Training and development budget

Tech communities & events

Professional support

Growth plan

Job summary

InnoIT Consulting in Barcelona/Madrid is seeking a Senior Full-Stack / GenAI Engineer to join an international AI products team, working on a secure, enterprise-grade GPT platform. You will primarily build back-end services using Node.js/TypeScript, with additional front-end contributions in Next.js and React, and design APIs for scalable, compliant solutions.

You’ll collaborate with the Tech Lead and Product Owner, manage Azure-based services, monitor applications, and help translate business

Qualifications

• 5+ years of web application development experience, ideally in Azure environments.
• Experience with Next.js and/or React.
• Solid experience with APIs, Azure DevOps and CI/CD pipelines.
• Experience owning the full testing lifecycle, including unit and E2E testing.
• Hands-on knowledge of Azure App Services, Cosmos DB, Application Insights and monitoring.
• Experience with AI APIs or frameworks such as OpenAI, Anthropic, Gemini or Azure AI.
• Knowledge of RAG and agentic / agent-based capabilities.

Responsibilities

• Design, build, test and monitor end-to-end product features.
• Develop and enhance back-end services using Node.js and TypeScript.
• Contribute to front-end development with Next.js and React.
• Design, implement and operate APIs.
• Work with Azure App Services, Cosmos DB, Application Insights and monitoring tools.
• Define usage KPIs and support dashboards, reports or metrics.
• Build automated workflows and operational scripts.
• Ensure solutions comply with security, regulatory and internal standards.
• Collaborate closely with the Tech Lead, Product Owner and international stakeholders.

Skills

Web development

Next.js

APIs

CI/CD pipelines

Testing lifecycle

Azure familiarity

AI APIs experience

RAG / agentic concepts

Security awareness

Tools

Azure DevOps

Terraform

Bicep

Azure App Services

Cosmos DB

Application Insights

Monitoring tools

Job description

InnoIT Consulting in Barcelona/Madrid is seeking a Senior Full-Stack / GenAI Engineer to join an international AI products team, working on a secure, enterprise-grade GPT platform. You will primarily build back-end services using Node.js/TypeScript, with additional front-end contributions in Next.js and React, and design APIs for scalable, compliant solutions.

You’ll collaborate with the Tech Lead and Product Owner, manage Azure-based services, monitor applications, and help translate business