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klarsolar Tech Stack

Solar installation and energy management for German homeowners

Renewables & Environment Heidelberg, Baden-Württemberg 51–200 employees Founded 2018 Public Company

Klarsolar sells residential solar systems and storage solutions across Germany, operating as E.ON's wholly owned subsidiary since December 2023. The company is sales-driven (13 of 24 active roles in sales), with concurrent infrastructure and platform work—suggesting operational scaling to handle growth. Active projects span CRM campaigns, a custom solar platform build, cloud service deployment, and ERP optimization, indicating a backend-heavy modernization push alongside customer acquisition.

Tech Stack 30 technologies

Core StackJira Intune Azure DevOps Jenkins AWS OpenShift Kubernetes Prometheus Grafana Terraform Angular Node.js Python Java Power BI Power Automate Wallbox Microsoft 365 Microsoft Office CRM Odoo Nexus Azure DevOps Server Azure GCP Docker Swarm Cloud Foundry GitOps Excel PowerPoint

What klarsolar Is Building

◆Challenges

Optimizing sales processes
Making solar platform accessible to all households
Automating processes
Expanding infrastructure for rapid deployment
Maintaining high security standards
Acquiring new customers

▲Active Projects

Sales optimization projects
Mdm rollout
Crm campaigns
Building #1 solar platform
It infrastructure expansion
Optimizing custom software applications and erp system
Continuous monitoring and development of cloud services
Sales analytics reporting
Infrastructure rollout
Reporting module

Hiring Activity

Steady25 roles · 8 in 30d

Department

Sales

13

Ops

3

Product

3

Support

3

Engineering

1

Legal

1

Seniority

Mid

15

Intern

7

Manager

2

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About klarsolar

Klarsolar is a solar energy company founded in Heidelberg in 2018 and acquired by E.ON Group in December 2023. The company provides end-to-end photovoltaic installation, energy management systems, battery storage, and charging infrastructure (wallboxes) to residential customers throughout Germany. The business combines sales and installation services with digital tools for system design and energy monitoring. With 51–200 employees and steady hiring, Klarsolar balances direct customer acquisition with backend infrastructure expansion to support rapid deployment across the country.

HeadquartersHeidelberg, Baden-Württemberg

Company Size51–200 employees

Founded2018

Hiring MarketsGermany

Frequently Asked Questions

What is Klarsolar's tech stack?

Klarsolar uses Odoo (ERP), Jira (project management), Microsoft 365 suite, Azure DevOps, Kubernetes, Terraform, Angular, Python, Java, and Wallbox integration. Cloud infrastructure spans Azure, AWS, and GCP with Docker and OpenShift container orchestration.