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Altostratus | Part of Telefónica Tech Tech Stack

AWS and GCP consulting with AI agent development focus

IT Services and IT Consulting Barcelona, Catalonia 51–200 employees Privately Held

Altostratus is a cloud consulting firm under Telefónica Tech, operating out of Barcelona with 51–200 employees. Their tech stack reveals a heavy investment in generative AI infrastructure: LangChain, LangGraph, LlamaIndex, CrewAI, and AutoGen alongside Google's Vertex AI and LLM tooling. Active projects center on migrating from Dialogflow to custom AI agents on Cloud Run, while their pain-point list (hallucination reduction, agent precision, core-system integration) signals they're moving beyond platform-managed solutions toward custom agentic workflows.

Tech Stack 24 technologies

Core StackAWS Salesforce Python Node.js LangChain Java Go Vertex AI Linux Asana Trello Jira GCP Cloud Run LangGraph LlamaIndex CrewAI AutoGen Google AI Studio Dialogflow Azure Windows Git Objective-C

AdoptingGCP

ReplacingDialogflow

What Altostratus | Part of Telefónica Tech Is Building

◆Challenges

Migrating dialogflow to adk
Integrating ai with core systems
Reducing hallucinations in ai agents
Improving agent precision

▲Active Projects

Migrating dialogflow to adk
Deploying agents on google cloud run
Developing real-time connectors for agent
System prompt design for adk/vertex ai
Function calling api integration
Dialogflow to generative agent redesign

Hiring Activity

Accelerating5 roles · 5 in 30d

Department

Engineering

3

Ops

1

Sales

1

Seniority

Senior

4

Mid

1

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About Altostratus | Part of Telefónica Tech

Altostratus provides end-to-end consulting, integration, development, and managed services for AWS and Google Cloud deployments. The firm serves mid-market and enterprise clients across infrastructure migration, application development, and AI capability integration. They operate a managed-services arm and run in-house training programs. Current hiring is concentrated in Spain, skewing senior-level engineering roles with some mid-level headcount, and the 5 active positions (all posted within 30 days) suggest acceleration in delivery capacity.

HeadquartersBarcelona, Catalonia

Company Size51–200 employees

Hiring MarketsSpain

Frequently Asked Questions

What cloud platforms does Altostratus work with?

AWS and Google Cloud Platform. They actively use GCP across their stack and are currently adopting additional GCP services, while migrating workloads from Dialogflow to custom solutions.

What AI tools does Altostratus use in projects?

LangChain, LangGraph, LlamaIndex, CrewAI, AutoGen, Vertex AI, and Google AI Studio. Current projects focus on deploying AI agents on Google Cloud Run and optimizing system prompts for agent behavior.