Openbank Tech Stack

Santander's digital banking subsidiary scaling AI and fintech services

Banking Madrid, Comunidad de Madrid 1,001–5,000 employees Founded 1995 Privately Held

Openbank is a Santander-owned digital bank operating across retail banking, brokerage, and emerging fintech services. The tech stack reveals a maturing ML/AI infrastructure: TensorFlow, PyTorch, Hugging Face, and scikit-learn sit alongside core cloud platforms (AWS, Azure, GCP) and infrastructure-as-code tooling (Terraform, CloudFormation, Pulumi). The project list signals aggressive AI transformation—lifecycle infrastructure, ML CI/CD pipelines, and an agent-first platform are active alongside a BNPL (buy-now-pay-later) scaling initiative, indicating the business is building both internal ML capabilities and external AI-powered products.

Tech Stack 54 technologies

Core StackAWS Terraform CloudFormation Pulumi Docker Kubernetes Python Java TensorFlow PyTorch scikit-learn Hugging Face AWS Lambda GitHub Actions Power BI Confluence Jira Microsoft Dynamics 365 Azure GCP GitHub Advanced Security Checkmarx Fortify Veracode Amazon Connect Excel PowerPoint Microsoft Access Appian ARIS+23 more

ReplacingUnified Service Desk

What Openbank Is Building

◆Challenges

Improving agent performance
Detecting new risks
Churn reduction
Adapting to regulatory changes
Improving portfolio profitability
Ai transformation agenda
Migration from unified service desk to customer service workspace
Inefficient onboarding processes
Managing technical debt
Handling l3 support tickets

▲Active Projects

Ai/ml ci/cd pipelines
Ai lifecycle infrastructure
Migration from unified service desk to customer service workspace
Definition and maintenance of kpis/kris
Ai-ready bnpl platform
Agent-first platform development
International bnpl scaling
Security champion program
Code security automation
Sast rule development

Hiring Activity

Decelerating20 roles · 5 in 30d

Department

Engineering

Ops

Data

Security

Finance

Product

Operations

Risk

Seniority

Senior

Mid

Lead

Junior

Manager

Notable leadership hires: Head of Product

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About Openbank

Openbank is a digital bank operated by Santander since 1995, offering retail checking accounts, brokerage services, and investment products entirely through mobile and online channels. The platform provides full banking services without traditional branch requirements, including free Mastercard access and integration with Santander's ATM network. The organization spans 1,001–5,000 employees headquartered in Madrid. Current operations focus on improving agent-driven customer support, reducing churn, and adapting to regulatory constraints while simultaneously building AI-driven lending products and international expansion.

HeadquartersMadrid, Comunidad de Madrid

Company Size1,001–5,000 employees

Founded1995

Hiring MarketsSpain

Frequently Asked Questions

What technology stack does Openbank use?

Core infrastructure: AWS, Azure, GCP with Terraform, CloudFormation, Pulumi. Application layer: Python, Java, Docker, Kubernetes. ML/AI: TensorFlow, PyTorch, scikit-learn, Hugging Face. DevOps: GitHub Actions, GitHub Advanced Security. Security scanning: Checkmarx, Fortify, Veracode. Business tools: Microsoft Dynamics 365, Power BI, Appian.

What is Openbank working on?

Active priorities include AI/ML CI/CD pipelines, AI lifecycle infrastructure, migration from Unified Service Desk to Customer Service Workspace, BNPL platform scaling internationally, agent-first platform development, KPI/KRI definition, and security automation (SAST rule development, security champion program).