Senior Full-Stack / GenAI Engineer- BARCELONA / MADRID

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

We are looking for a Senior Full-Stack / GenAI Engineer to join an international AI Products team working on the evolution of a secure, enterprise-grade GPT platform.

You will contribute mainly to back-end development (around 90%), with occasional front-end contributions, building secure and scalable features for document understanding, translation, APIs, automation, web usage and agentic capabilities.

What you will do

• 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.

What we are looking for

• At least 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.

Experience with Terraform, Bicep, observability tooling, regulated industries, security and compliance will be valued.

Barcelona/Madrid-based role. Two onsite days per week

What we offer

• A hybrid working model that supports a healthy work-life balance.
• Competitive salary and a flexible compensation plan.
• An annual budget for training and professional development.
• Opportunities to take part in technology communities and industry events.
• Ongoing follow-up and professional support.
• A development and growth plan tailored to your goals.

At InnoIT, we believe talent thrives in an environment where learning, innovation and enjoying the journey go hand in hand.

Join our team, contribute to innovative projects and continue growing alongside professionals who are passionate about technology.

Find out more about us

https://www.meetup.com/es-ES/Meetup-de-InnoIT-Consulting-en-Barcelona/

https://www.meetup.com/es-ES/meetup-de-innoit-consulting-en-madrid/

Diversity, Equity and Inclusion

At InnoIT, we actively promote diversity, equity and inclusion. We welcome people from all backgrounds, experiences and professional paths, and we particularly encourage applications from groups traditionally underrepresented in the technology sector.

We assess every application objectively and fairly, ensuring equal opportunities throughout the selection process. We are also committed to making any reasonable adjustments required to provide an accessible and inclusive experience.

We do not discriminate based on gender, age, origin, nationality, sexual orientation, gender identity or expression, religion, disability, or any other status protected by applicable law.

We work to build a diverse, respectful and inclusive workplace where everyone has equal opportunities for professional growth, development and recognition.

If you’re interested in working in an international environment with modern technologies, we’d love to hear from you!