O

onOffice GmbH Tech Stack

Real estate CRM and marketing platform for German brokers and property managers

IT Services and IT Consulting Aachen, Nordrhein-Westfalen 201–500 employees Founded 2001 Privately Held

onOffice operates a vertically integrated software suite for real estate firms—CRM, websites, apps, and marketing tools—built on PHP + Laravel + Vue with mobile native layers (Swift/UIKit). The hiring velocity is accelerating with 14 roles posted in the last 30 days, concentrated in product and data (8 of 20 open roles), signaling pressure to migrate legacy customer data and scale the core enterprise product, not just maintain it.

Tech Stack 14 technologies

Core StackGoogle Ads WordPress PHP Laravel Vue GitHub Kubernetes Cypress Swift SwiftUI REST API PHPUnit UIKit

What onOffice GmbH Is Building

◆Challenges

Optimizing internal and customer-facing processes
Ensuring quality and timeliness in data migration
Optimizing existing ios app
Refactoring existing components
Data migration for new customers
Optimizing processes and workflows
Ensuring quality and efficiency
Managing large legacy data sets

▲Active Projects

Wordpress website development
Customer onboarding
Training program
Onoffice enterprise product strategy
Project management of wordpress website projects
Website integration with onoffice crm
Data import projects

Hiring Activity

Accelerating20 roles · 15 in 30d

Department

Product

5

Data

3

Engineering

3

Sales

3

Design

2

Support

2

Customer-Success

1

Marketing

1

Seniority

Lead

8

Mid

7

Junior

2

Manager

2

Senior

1

Notable leadership hires: Customer Solutions Lead, Software Development Lead, Product Management Lead, Data Migration Lead

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About onOffice GmbH

Founded in 2001 and still owner-operated (CEO Stefan Mantl, COO Marius Siegmund, CTO Janosch Reuschenbach), onOffice serves German-speaking real estate brokers, property management networks, and related firms. The product portfolio spans onOffice Enterprise (core CRM), WordPress-based agency websites, native iOS and Android apps, and online marketing services. With 201–500 employees based in Aachen, Germany, the company sells to mid-market and larger real estate operations across Germany and Austria.

HeadquartersAachen, Nordrhein-Westfalen

Company Size201–500 employees

Founded2001

Hiring MarketsGermany, Austria

Frequently Asked Questions

What tech stack does onOffice use?

PHP, Laravel, Vue, Swift, UIKit, Kubernetes, REST APIs, and WordPress. The stack reflects a mix of backend monolith patterns (Laravel) and modern frontend frameworks (Vue), with native iOS development for mobile.