Unicaja Tech Stack

Spanish retail bank modernizing core systems with cloud and generative AI

Banking Málaga, Andalucía 5,001–10,000 employees Privately Held

Unicaja is Spain's sixth-largest bank by branch count, running a hybrid cloud infrastructure (AWS, Azure, GCP) alongside legacy mainframe systems. Active hiring is skewed toward engineering (10 of 22 roles), concentrated in mid-level builders, while the project list reveals a deliberate pivot: generative AI hub development sits adjacent to microservices migration on OpenShift and retail banking transformation. Pain points around mainframe cost and performance suggest the bank is trading batch-oriented infrastructure for cloud-native, AI-augmented customer workflows.

Tech Stack 36 technologies

Core StackAWS Kubernetes OpenShift Elasticsearch Grafana OpenAI Python Langchain Java Jira Trello Azure GCP Zabbix Gemini Llama Azure AI IBM MQ DB2 LlamaIndex GPT Gemma Claude DeepSeek CRM Eclipse RCP JavaFX OSGi Spring Boot Microsoft Project+3 more

What Unicaja Is Building

◆Challenges

Cloud cost efficiency
Optimizing portfolio margin
Coordinating outsourced mainframe services
Secure scalable infrastructure
Transformar la banca minorista
Monitoring performance
Optimizing mainframe transaction processing
Optimizing mainframe perimeter assets
Ensuring technical viability of backend implementation
Managing external provider performance

▲Active Projects

Transformar la banca minorista
Hub de inteligencia artificial generativa (iag)
Mvp development for iag solutions
Scaling iag solutions
Radarr implementation plan
Data governance quality initiative
Captación y desarrollo de clientes nuevos y actuales
Terminal financiero
Microservices on openshift
Transform retail banking

Hiring Activity

Accelerating20 roles · 20 in 30d

Department

Engineering

Finance

Sales

Ops

Data

Seniority

Mid

Senior

Manager

Director

Junior

Notable leadership hires: Branch Director

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About Unicaja

Unicaja is a publicly traded Spanish bank headquartered in Málaga, operating as a primary lender across six regional markets. The bank serves over 4 million customers through approximately 1,000 branches and 2,500 ATMs, employing roughly 8,000 staff. Core business spans retail deposit-taking, lending, and wealth management, with emerging focus on generative AI solutions for customer acquisition and personalization. The technology footprint covers classic banking infrastructure (IBM mainframes, MQ messaging) and modern cloud platforms, indicating a multi-year modernization cycle.

HeadquartersMálaga, Andalucía

Company Size5,001–10,000 employees

Hiring MarketsSpain

Frequently Asked Questions

What cloud platforms does Unicaja use?

Unicaja runs all three major cloud providers: AWS, Azure, and GCP. The tech stack also includes Kubernetes and OpenShift for container orchestration, alongside Elasticsearch and Grafana for monitoring and observability.

What generative AI is Unicaja deploying?

Unicaja is building a generative AI hub with active MVP development and scaling initiatives. The stack includes OpenAI, Google Gemini, Meta Llama, Azure AI, Gemma, Claude, and DeepSeek, accessed via Langchain and LlamaIndex orchestration frameworks.