WetterOnline GmbH Tech Stack

Global weather platform serving 35M+ users with ML-powered radar and forecasting

Information Services Bonn, Nordrhein-Westfalen 51–200 employees Founded 1996 Public Company

WetterOnline is a public weather information provider with 35M+ monthly visitors globally, running a modern web stack (Angular, Node.js, TypeScript) alongside scientific computing tools (PyTorch, NumPy, OpenCV). The tech mix reveals a dual-core business: a consumer-facing web application and an in-house ML practice focused on meteorological analysis. Hiring is heavily engineering-skewed (22 of 24 open roles) with a cluster of intern+ mid-level positions, suggesting either product velocity acceleration or a known talent-ramp phase. Active projects center on radar visualization, object detection in weather imagery, and neural network-based data rendering—indicating investment in AI-driven forecasting beyond traditional models.

Tech Stack 44 technologies

Core StackAngular Node.js TypeScript Linux C++ Intune Go Rust GitLab AWS Python PyTorch NumPy Swift Kotlin Windows macOS Microsoft 365 Azure Exchange Online WebGL Git HTML5 CSS OpenCV OpenMP Jupyter Notebook JupyterLab Visual Studio Code Ubuntu+14 more

What WetterOnline GmbH Is Building

◆Challenges

Improving website performance
Improving seo visibility
Generative ai impact on seo

▲Active Projects

Wetterradar development
International progressive web app development
Object detection, image generation and segmentation of weather data
Visualization of radar and satellite data using neural networks
Modern it architecture implementation
Cross-functional technology development
Wetterradar monitoring
Analysis and visualization of meteorological data
Storm warning system
Model interpretation

Hiring Activity

Accelerating25 roles · 10 in 30d

Department

Engineering

Content

Ops

Seniority

Mid

Intern

Senior

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About WetterOnline GmbH

WetterOnline, founded in 1996 and based in Bonn, Germany, operates one of the world's largest global weather information platforms. The company reaches 35M+ users monthly via web and mobile apps, serving both consumers and business customers. A team of ~160 people across product, engineering, meteorology, marketing, and operations develops weather forecasting software and visualization tools. The platform spans multiple surfaces (progressive web app, native mobile) and integrates real-time radar, satellite, and algorithmic forecasting. Currently, WetterOnline hires exclusively in Germany with an emphasis on engineering roles.

HeadquartersBonn, Nordrhein-Westfalen

Company Size51–200 employees

Founded1996

Hiring MarketsGermany

Frequently Asked Questions

What is WetterOnline's tech stack?

Frontend: Angular, TypeScript, WebGL, HTML5/CSS. Backend: Node.js, Python, C++, Go, Rust. Infrastructure: Azure, AWS, Linux, Windows, macOS. ML/data: PyTorch, NumPy, OpenCV, Jupyter. CI/CD: Git, GitLab.

What is WetterOnline working on?

Radar visualization and monitoring, international progressive web app, object detection and image segmentation of weather data, neural network-based satellite/radar rendering, storm warning systems, and meteorological data analysis.