Worldline Tech Stack

Global payments infrastructure for merchants and financial institutions

Financial Services Puteaux, Île-de-France 10,001+ employees Public Company

Worldline operates a large-scale, multi-region payments platform serving over one million businesses. The tech stack reveals a hybrid modernization effort: legacy backbone (COBOL, IBM i, Oracle) paired with cloud-native tooling (Kubernetes, Docker, AWS, GCP, PostgreSQL), while actively migrating workloads to GCP and replacing Oracle Database. Engineering hiring (227 roles) dominates the 572 open positions, with concurrent focus on compliance, fraud, and CI/CD automation—typical of regulated fintech infrastructure scaling globally across 24+ countries.

Tech Stack 200 technologies

Core StackJava JUnit GitLab Kubernetes Docker AWS Terraform SonarQube Grafana .NET C# Azure DevOps DynamoDB AWS Lambda Angular Spring PostgreSQL Oracle Eclipse SQL IBM i COBOL Excel Microsoft Office ArchiMate Enterprise Architect ASP.NET Core Amazon Cognito API Gateway Apache Camel+170 more

AdoptingPostgreSQL Prometheus AWS PHP SAP S/4HANA Docker Web Application Firewall GCP+1 more

ReplacingOracle Database

What Worldline Is Building

◆Challenges

Ensuring compliance with evolving regulations
Ensuring merchant compliance
Managing regulatory risks
Improving quality
Performance optimization
Ensuring high availability and performance at scale
Reducing costs
Pci dss compliance
Growing customer happiness
Modernising legacy systems

▲Active Projects

Worldline pay front office
Test automation initiatives
Fraud risk management suite
Ci/cd pipeline automation
Erp improvements
Automation/simplification projects across master data activities
Finance transformation projects
Issuing back office squad
Audit process improvement initiative
Migration of large-scale projects to gcp

Hiring Activity

Accelerating550 roles · 250 in 30d

Department

Engineering

227

Ops

Finance

Sales

Support

Legal

Product

Security

Seniority

Senior

202

Mid

182

Intern

Manager

Junior

Lead

Director

C-Level

Notable leadership hires: Team Lead, Pricing & FX Head, Sales Director, Accounting Director, Data & IA team lead

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About Worldline

Worldline is a publicly traded French payments company headquartered in Puteaux. The business processes payments for merchants, financial institutions, and mobile operators across merchant services, e-commerce, and financial processing. With 10,001+ employees and active hiring in 24 countries, the company operates regional payment rails and settlement infrastructure. Current roadmap priorities include fraud risk management, PCI DSS compliance, master-data simplification, ERP improvements, and large-scale cloud migration—reflecting the operational complexity of managing legacy payment systems while building modern cloud-based issuance and processing backends.

HeadquartersPuteaux, Île-de-France

Company Size10,001+ employees

Hiring MarketsGermany, Greece, Taiwan, Romania, China, Italy, Canada, France

Frequently Asked Questions

What is Worldline's tech stack?

Core systems: Java, SQL, COBOL, IBM i, Oracle, .NET, C#. Cloud: AWS, Azure, GCP (under adoption). DevOps: Kubernetes, Docker, Terraform, GitLab, AWS Lambda. Data: PostgreSQL, DynamoDB. Observability: Prometheus, Grafana, SonarQube.

What is Worldline migrating to GCP?

Large-scale project migration to Google Cloud Platform is an active initiative. Concurrently adopting PostgreSQL, Web Application Firewall, Prometheus, and phasing out Oracle Database in favor of cloud-native infrastructure.