Jonas Weber

Product Engineer & Consultant

Clear systems, clear interfaces, clear decisions. I help teams build less and ship better.

Based in: Zürich, Switzerland
Status: Available for work
Disciplines: Product Engineer, Technical Consultant, Engineering Lead

Experience: 10 yrs
Clients: 18
Legacy rewrites: 6

01 — About

Independent product engineer and consultant with ten years in logistics and healthcare software. I help teams untangle legacy systems, define the smallest product worth building, and set up engineering practices that last after I leave. Clients include two public transport operators and a hospital network.

02 — Experience

- Lead technical due diligence and rescue projects for scale-ups
- Replaced a 15-year-old dispatch system for a transport operator
- Coach engineering leads on planning and delivery
- Led twelve engineers building patient scheduling software
- Introduced continuous delivery across three products

03 — Selected work

01
Dispatch Modernisation
A staged replacement of a legacy dispatch system with zero service interruptions.
- Moved 1,800 daily routes to the new system
- Cut planning time by 40%
Stack: Kotlin / PostgreSQL / Event sourcing
02
Clinic Scheduler
Appointment scheduling that balances patient preferences with clinician capacity.
- Used in 60 clinics
- Reduced no-shows by 22%
Stack: TypeScript / React / Constraint solving

04 — Research

Software architecture conference
Strangling the Monolith Without Stopping the Trains
A step-by-step account of replacing critical dispatch software while it keeps running.
Topics: Architecture · Legacy systems
0
service interruptions
Industry journal
Scheduling Under Constraints in Healthcare
Balancing patient preferences, clinician time and room capacity with a practical solver.
Topics: Optimisation · Healthcare
−22%
fewer no-shows