Verified from career page · Posted 2d ago

Business Insights

Fullstack (Backend Focus) New

Business Insights · SOFTWARE INSIGHTS

Barcelona

Mid-level

Full stackAzureCI/CDCosmos DBLLM / GenAINext.jsNode.jsOpenAIReactTerraformTypeScript

Last seen 1h ago

Posted
2d ago

Posted on 24 September 2026

Workplace
Hybrid

Work model: Hybrid

Salary
Not disclosed

Salary range not shared by the company

Visa sponsorship
Not specified

Visa sponsorship details unknown

We’re looking for a Senior Backend Engineer to join an AI team working on a Secure GPT platform (an internal ChatGPT-like solution) used across a global environment.

The focus of the role is to build real AI features in production, making them scalable, secure, and actually useful for the business.

🧩 What you’ll be doing

Building and improving backend features (mainly Node.js / TypeScript)

Working on GenAI use cases like:

document understanding

translation

agent-based workflows

APIs and automation

Owning your work end-to-end (from design to production and monitoring)

Defining and tracking how features perform (KPIs, usage, etc.)

Collaborating with product and tech teams in an international setup

Continuously improving how things are built and scaled

🛠️ Tech environment

Backend: Node.js, TypeScript

Frontend: React / Next.js (light involvement)

Cloud: Azure (App Services, Cosmos DB, monitoring)

CI/CD and DevOps practices

GenAI: OpenAI, Azure AI, RAG, agents, prompt engineering

✅ What we’re looking for

Solid backend experience (ideally 5+ years)

Strong Node.js / API development background

Hands-on experience with AI in real use cases (LLMs, RAG, agents…)

Comfortable working in cloud environments (Azure is a plus)

Someone who takes ownership and can work end-to-end

Practical, problem-solving mindset

Comfortable working in English

➕ Nice to have

Terraform / Bicep

Observability / monitoring experience

Exposure to regulated environments or security topics

✅ What we’re looking for

Solid backend experience (ideally 5+ years)

Strong Node.js / API development background

Hands-on experience with AI in real use cases (LLMs, RAG, agents…)

Comfortable working in cloud environments (Azure is a plus)

Someone who takes ownership and can work end-to-end

Practical, problem-solving mindset

Comfortable working in English

➕ Nice to have

Terraform / Bicep

Observability / monitoring experience

Exposure to regulated environments or security topics

About Business Insights

Business Insights is a Spanish data and analytics consultancy, hiring across engineering and analysis in Madrid.

Apply at Business Insights

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