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AD4 Octógono Tech Stack

IT consulting and managed services for banking and utilities infrastructure

IT Services and IT Consulting Madrid, Madrid 51–200 employees Privately Held

AD4 Octógono is a Spanish IT consulting firm focused on banking and utilities clients, with active engineering-heavy hiring (85 roles) concentrated in mid and senior levels. The tech stack spans legacy (COBOL, SAP) and modern (Java/Spring, .NET, Angular), while adoption of Snowflake, Docker, and Kubernetes alongside migration away from SAP SD/ECC points toward cloud-native modernization. Current project concentration on banking data migration, legacy application modernization, and CI/CD pipeline improvements confirms a client base managing complex infrastructure transitions.

Tech Stack 200 technologies

Core StackJava Spring JavaScript Linux jQuery PostgreSQL MySQL Bootstrap PHP SQL Server C# Angular Jira Jakarta EE HTML5 CSS Subversion Git XQuery XML XSLT CentOS Ubuntu Moodle HTML COBOL VB.NET .NET Framework Azure DevOps Server IBM+170 more

AdoptingSnowflake Docker Kubernetes

ReplacingSAP SD SAP ECC

What AD4 Octógono Is Building

◆Challenges

Data migration
Improving ci/cd processes
Migrating banking data
Optimizing etl processes
Complex cloud environments
Modernizing legacy applications
Maintaining legacy sales cloud solutions
Reducing technical debt
Data transformation
Data reconciliation

▲Active Projects

Gtb platform evolution
Banking data migration project
Data archiving and integration initiative
Proyecto bancario
Call deflection monitoring dashboard evolution
Mantenimiento de aplicaciones de derechos sociales
New backend team reinforcement for online banking applications
Poc development for cybersecurity solutions
Implementing and evolving duco platform
Calypso implementation project

Hiring Activity

Accelerating140 roles · 75 in 30d

Department

Engineering

85

Finance

15

Data

10

Security

9

Support

6

Ops

3

Logistics

2

Sales

2

Seniority

Mid

74

Senior

44

Junior

11

Lead

3

Manager

2

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About AD4 Octógono

AD4 Octógono provides outsourcing, managed services, and custom software development to mid-market enterprises in banking and utilities sectors. The company operates a 51–200-person team split across engineering, finance, data, security, and support functions, headquartered in Madrid with active hiring in Spain and Brazil. Projects span backend platform evolution, data migration and archiving initiatives, cybersecurity solutions, and modernization of legacy applications. The firm's service model emphasizes technical advisory combined with hands-on delivery across infrastructure optimization, digital transformation, and strategic IT alignment.

HeadquartersMadrid, Madrid

Company Size51–200 employees

Hiring MarketsSpain, Brazil

Frequently Asked Questions

What tech stack does AD4 Octógono use?

Core stack includes Java, Spring, Jakarta EE, HTML5, JavaScript, Angular, and .NET Framework; databases are PostgreSQL, MySQL, and SQL Server; infrastructure runs Linux/CentOS/Ubuntu; and they manage legacy COBOL and SAP systems. They are adopting Snowflake, Docker, and Kubernetes.

What projects is AD4 Octógono working on?

Active projects include banking data migration, gtb platform evolution, legacy application modernization, CI/CD process improvements, call deflection monitoring dashboards, cybersecurity solutions POCs, and Calypso/Duco platform implementations.