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Wilken Software Group Tech Stack

ERP and billing software for Germany's energy, healthcare, and social sectors

Information Technology & Services Ulm, Baden Württemberg 501–1,000 employees Founded 1978 Privately Held

Wilken Software Group supplies mission-critical ERP, billing, and compliance systems to Germany's regulated infrastructure—80% of statutory health insurers, 60% of physician associations, and 30%+ of energy and water utilities rely on their platform. The tech stack blends Microsoft Dynamics 365, SQL databases, and cloud infrastructure (Azure, AWS, GCP, Kubernetes), with active adoption of Git/GitLab and observability tooling (OpenTelemetry, OpenSearch), suggesting modernization of legacy billing and compliance workflows. Engineering-heavy hiring and active migration projects indicate ongoing platform consolidation across a customer base built on 1978-era foundations.

Tech Stack 70 technologies

Core StackAzure DevOps HubSpot Azure AD Oracle SQL Server PostgreSQL Terraform Kubernetes GitLab OpenTelemetry Jira Confluence JavaScript JUnit Docker AWS Microsoft Dynamics 365 Business Central SQL Git LinkedIn Microsoft 365 Windows Unix OpenTofu OpenSearch Azure TestComplete Oracle SQL GCP Azure Kubernetes Service+40 more

AdoptingGitLab Git

What Wilken Software Group Is Building

◆Challenges

Migration
Regulatory compliance in energy sector
Rollouts
Implementing 24 hour supplier change
Digitalizing finance processes
Automation of finance processes
Optimizing material management processes
Recruiting speed
Standardization and automation
Observability gaps

▲Active Projects

Nts.suite implementation
Migration projects
Rollouts
24 hour supplier change implementation
In‑house cloud environment management application
Erp implementation projects
Cloud software solution gy platform development
Observability and monitoring optimization
Agile transformation of project methodologies
Gpke & geli market data exchange process improvement

Hiring Activity

Steady75 roles · 25 in 30d

Department

Engineering

29

Ops

9

Support

8

Finance

7

HR

6

Marketing

4

Consulting

3

Sales

3

Seniority

Mid

28

Senior

26

Junior

8

Manager

5

Intern

4

Lead

3

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About Wilken Software Group

Wilken Software Group is a privately held enterprise software company founded in 1978 and headquartered in Ulm, Germany, with over 700 employees. The company is the primary technology partner for critical infrastructure operators in Germany: it provides ERP systems, billing and metering solutions, and regulatory compliance software to health insurance funds, physician networks, utilities, and social organizations. The product suite includes P/5 (core ERP), easy metering (consumption billing), pflegedokumentation (care documentation), and business analytics. Core operational capabilities span billing specialists, process consulting, data center operations, and cloud hosting. Customer concentration is high—the top segments alone represent 80% of statutory health insurers and 60% of physician associations, creating both dependency and sticky, long-contract relationships.

HeadquartersUlm, Baden Württemberg

Company Size501–1,000 employees

Founded1978

Hiring MarketsGermany, Spain

Frequently Asked Questions

What tech stack does Wilken Software Group use?

Microsoft Dynamics 365 Business Central, SQL Server, PostgreSQL, Oracle, Azure (including AKS), AWS, GCP, Kubernetes, Docker, Git, GitLab, Azure DevOps, HubSpot, and observability tools (OpenTelemetry, OpenSearch).

What projects is Wilken Software Group working on?

ERP implementations, cloud environment management, observability and monitoring optimization, agile transformation, migration projects, regulatory compliance automation, and 24-hour supplier change processes.