HELLO, MY NAME IS

Jari Rentsch

Software Developer

Portrait Jari Rentsch
About Me

Passionate software developer from Zürich, Switzerland with a knack for mobile and web technologies.

Complete software solutions with a touch of Swiss precision.

As a versatile software developer, I specialize in crafting complete mobile and web solutions with a focus on efficiency and innovation. My work, highlighted by the development of a cutting-edge location tracking app and leading the Swiss Unity League non-profit, showcases my ability to deliver projects with technical excellence.

What I Do

Offering a full spectrum of solutions that span app creation, web development, and custom software engineering.

Complete Mobile App Solutions

Delivering end-to-end app solutions tailored to your startup’s needs, from the initial concept to the final launch.

Dynamic Web Platforms

From sleek landing pages and blogs to full-featured webshops and bespoke business solutions, I provide a wide range of web development services.

Software Engineering

Providing versatile software engineering services to tackle complex challenges. Whether it’s developing custom APIs, integrating cloud services, or managing data, I can handle it

Core Skills

Android Apps (Kotlin/Java/Jetpack Compose)

Websites (Python/Django)

Cross-Platform Applications (Flutter)

Deployment and Hosting

My Experience

2022-2024

Novu / jkweb

Android Developer

Developed a high-performance Android location tracking app and streamlined a mobile app for external hardware control via BLE/Wi-Fi.
As the lead of the mobile specialist group, I enhanced CI/CD practices and agile processes, significantly boosting development efficiency and project delivery speed.

2022-ongoing

Swiss Unity League

Founder & Web Developer

Launched a nationwide non-profit Magic: the Gathering tournament series in Switzerland, attracting over 1,000 participants with more than 500 events per year. Developing a website to publish events, upload results, and generate rankings.