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GROUPAMA - G2S Tech Stack

IT services division scaling data, AI, and cloud infrastructure for insurance group

Information Technology & Services France 1,001–5,000 employees Founded 2011 Privately Held
g2s-groupama-technologies.fr LinkedIn

G2S is the internal technology engine for Groupama, a 12-million-member insurance mutual, operating 1,500 engineers across a Java/Scala/Spark stack paired with legacy mainframe systems (z/OS, COBOL). Current hiring velocity is accelerating, heavily weighted toward senior engineers (32 of 78 open roles) and data roles (18 positions), signaling a push toward real-time data architecture and AI model deployment — reinforced by active projects in CI/CD pipelines for LLM agents, AI demonstrators, and datalab platform evolution.

Tech Stack 100 technologies

Core StackApache Spark Scala Hadoop Java Jira Confluence ServiceNow Oracle PostgreSQL MongoDB GitLab CI/CD JUnit Kafka GraphQL Maven SonarQube OpenShift TOGAF ArchiMate Enterprise Architect Pega z/OS COBOL REXX Spring Boot Spring Cloud Gateway Micronaut Apache Camel SOAP Liquibase+66 more
AdoptingKafka Docker Kubernetes Azure COBOL

What GROUPAMA - G2S Is Building

◆Challenges

  • Data‑centric real‑time architecture
  • Industrializing regression tests
  • Modernizing legacy information systems
  • Integrating ai into dev processes
  • Managing proximity incidents
  • Incident management
  • Maintaining production stability
  • Ensuring data pipeline reliability
  • Transforming pricing processes
  • Strategic application maintenance

▲Active Projects

  • Starc program
  • Amélioration continue enquête satisfaction client
  • Power apps development
  • Creation of ai demonstrators and prototypes
  • Implementation of ci/cd pipelines for ai models and llm agents
  • Evolution of ia platforms datalab and india
  • Copilot studio conversational assistants
  • Devenir champion de l’accompagnement de nos clients
  • Digital client spaces
  • Software forge

Hiring Activity

Accelerating80 roles · 60 in 30d

Department

Engineering
37
Data
18
Support
12
Marketing
4
HR
2
Ops
2
Procurement
2
Security
1

Seniority

Senior
32
Intern
27
Mid
11
Lead
4
Manager
3
Junior
1

Notable leadership hires: Tech lead

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About GROUPAMA - G2S

G2S is an internal IT and digital transformation organization operating as a dedicated subsidiary of Groupama. The group services all IT functions for Groupama's business lines, plus real-estate operations and procurement across roughly ten French locations. The technology remit spans data engineering, cybersecurity, AI/ML, cloud migration, and legacy system modernization. Internally, G2S operates with a focus on collective success and mutualist principles (solidarity, responsibility, proximity), with remote-work flexibility for its workforce.

HeadquartersFrance
Company Size1,001–5,000 employees
Founded2011
Hiring MarketsFrance

Frequently Asked Questions

What tech stack does G2S use?

G2S runs a hybrid stack: Java, Scala, Spark, Hadoop for modern data systems; PostgreSQL, MongoDB, Oracle for databases; Kafka, Apache Camel for event streaming; and legacy z/OS, COBOL for mainframe systems. DevOps tooling includes OpenShift, Kubernetes, Docker, GitLab CI/CD, ServiceNow, and Jira.

What is G2S working on?

Active projects include CI/CD pipeline implementation for AI models and LLM agents, AI demonstrators and prototypes, datalab and AI platform evolution, Copilot Studio conversational assistants, and legacy system modernization. Data-centric real-time architecture and regression test industrialization are documented operational priorities.

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How this profile is built

GROUPAMA - G2S's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.