OptaZEN GmbH

I had the pleasure of working with Simon on a complex project focused on production planning and optimization using OptaPlanner/Timefold in the context of chemical production. From the initial concept through to architecture and development, Simon demonstrated exceptional expertise and dedication.

What truly sets Simon apart is his pragmatic approach to problem-solving and his quick and deep understanding of business processes and context. He is highly flexible and always available to address any challenges that arose, making him an invaluable asset to our team.

I highly recommend Simon for any project requiring a blend of technical proficiency in the planning and optimization domain, business understanding, and excellent interpersonal skills.

I had the pleasure of working with Simon on a Timefold project. He quickly grasped the complexity of our planning problem. We appreciated his coaching approach, sharing his expertise with our team. He helped us get our Timefold model on track quickly.

We asked Simon for help with our first job scheduling project. He quickly understood our needs and provided us with insights so we could successfully continue. We appreciate his attitude and skill.

The Optazen team is very professional and meticulous. They are very knowledgeable about Timefold technology and have demonstrated the ability to empathize with the client's business to find non-obvious solutions.

Simon helped rewriting our software module for solving a vehicle routing problem with pickups and deliveries as well as time windows.

During the rewrite, Simon provided great value to us in numerous ways. His detailed understanding of both the vehicle routing domain and Optaplanner helped us create a performant and flexible model.

Retrospectively, we are very happy to have worked with Simon and would absolutely recommend his services.

Simon got the "perfect mix" you expect from a consultant: agility, concreteness with strong adaptive capabilities in enterprise context.

I had a very good experience from his collaboration during realization of MVP related to optimization task: I greatly appreciated his incredible technical skills and his ability to translate it in business value. His work is always top-notch, and he is always welcoming to feedback and making improvements.

I have no hesitation in recommending Simon to other potential consultants and partners!