Custom Digital Solutions
We are a Swiss‑based web development company founded in 2024, specializing in high‑performance, user‑friendly web applications. Our clients work directly with founder Joël Grosjean and benefit from a clear process, short feedback cycles, and tailored software. When needed, experienced freelance specialists join our team for design, infrastructure, or specific integrations.
What Drives Us Forward?
A passion for meaningful digital solutions drives our work. We value clarity, curiosity, and attention to detail, creating tools that bring joy and make our clients’ lives easier.
Quality over shortcuts
Quality comes first. The right details make all the difference, even if they’re not immediately visible.
Transparency & honesty
If something breaks, we’ll tell you. If something can be improved, we’ll say it. Integrity, honest feedback, and open communication are at the core of how we work.
Always evolving
We’re passionate about what we do, and we’re always learning. We stay up to date with the latest tech and constantly improve how we work.
Flexible by design
No bureaucracy, no overhead. We adapt quickly to changing needs and build systems that do too. Your app is tailor-made to fit you, not the other way around.
Our Core Team
Led by founder Joël Grosjean, with support from trusted collaborators, we bring the right expertise to every project.
Joël Grosjean
Founder & Lead Developer
Joël is a Swiss-based developer with a background in data science and years of experience creating web applications and automating business processes. He combines frontend, backend, DevOps, and data engineering expertise with a strong focus on UX and functionality. Joël founded Grosjean Data Solutions with the belief that digital tools should be both powerful and enjoyable to use.
Julien Kellerhals
External Technical Advisor
Julien is a Swiss-based developer with deep expertise in data engineering, backend systems, and DevOps. He works as an external advisor, offering strategic insights and technical support when challenges require additional firepower. Julien’s passion for emerging technologies ensures that the best tools and practices are always within reach.
Let’s build something that actually works for you.
If your current tools waste time, lose data, or hold your business back, let’s fix that. We’ll build you a web app that fits like a glove.