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SII Group Spain Tech Stack

Enterprise digital transformation and embedded systems for industrial, aerospace, and financial sectors

IT Services and IT Consulting L’Hospitalet de Llobregat, Barcelona 10,001+ employees Privately Held

SII Group Spain is a 10,000+ person multinational operating across industrial manufacturing, aerospace, banking, and telecoms, delivering full-stack solutions spanning .NET/Java backends, embedded systems, and SAP/Dynamics 365 implementations. The hiring profile is heavily engineering-focused (72 of 104 open roles), concentrated at mid-level (60 hires), suggesting active delivery scaling rather than platform building. Active projects cluster around PCI-DSS remediation, ERP migration, and compliance work — pointing to a customer base mid-way through digital transformation, not greenfield builds.

Tech Stack 141 technologies

Core Stack.NET C# Kafka RabbitMQ Angular Docker Kubernetes Elasticsearch JavaScript Python Ansible Postman SAP Java NET Core Git ActiveMQ Kibana HTML CSS Autosys Control-M Bash Dynamics 365 Supply Chain Management SQL SoapUI JMeter Oracle Primavera MES BIM+110 more

What SII Group Spain Is Building

◆Challenges

Remediating pci dss breaches
Data migration between systems
Data cleansing
Data archiving
Optimizing production workflows
Implementing new erp
Availability and reliability of production systems
Implementing electronic document management
Compliance with banking risk frameworks
Incident reporting

▲Active Projects

Security digital reference project
Pci dss breach remediation in e-commerce platforms
Space sector reference project
Website vulnerability remediation
Data migration between systems
Structural high visibility projects
Iso certification preparation
Data migration project
Cutover plan
Calypso projects

Hiring Activity

Accelerating100 roles · 55 in 30d

Department

Engineering

72

Data

7

Ops

5

Security

5

Finance

4

Product

3

Manufacturing

2

Sales

2

Seniority

Mid

60

Senior

30

Junior

10

Manager

3

Lead

1

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About SII Group Spain

SII Group Spain delivers custom software development, systems integration, and engineering services to enterprises navigating digital transformation. The company operates across four core verticals: industrial/manufacturing (including MES and production optimization), aerospace and defense, banking (payment systems, risk compliance), and telecoms. Core capabilities span .NET/Java application development, Kubernetes-orchestrated infrastructure, SAP and Dynamics 365 implementations, and embedded systems engineering. The company is part of a 16,000-person multinational present in 21 countries, with Spain as the primary hiring hub.

HeadquartersL’Hospitalet de Llobregat, Barcelona

Company Size10,001+ employees

Hiring MarketsSpain

Frequently Asked Questions

What tech stack does SII Group Spain use?

.NET, C#, Java, Python; Kafka and RabbitMQ for messaging; Angular for frontend; Kubernetes and Docker for infrastructure; SAP, Dynamics 365, and Oracle Primavera for enterprise apps; Elasticsearch for logging.

What is SII Group Spain working on?

Active projects include PCI-DSS breach remediation for e-commerce platforms, ERP implementations, data migration between systems, ISO certification preparation, website vulnerability remediation, and space sector reference projects.