About
Finance meets software.
I work in investment banking. The questions I meet there pushed me toward software development.
Developer focused on financial tools.
I build and write about technology, development, and finance—making complex systems easier to inspect and use.
Finance × software · Paris
Personal financeWeb · iOS · Android
Savyy
Savyy connects accounts across 4,000+ European banks, categorizes transactions with privacy-first AI, and turns balances, spending, budgets, alerts, and subscriptions into one clear view.
Visit SavyyCash flowModel view
AllocationScenario
AccountsWorking set
Notes
Make assumptions visible.
Keep decisions legible.
- Banking coverage
- 4,000+ European banks through PSD2 open banking with Bridge.
- Privacy model
- Banking credentials are never stored, and transaction data is never used for model training.
- Product surface
- Web, iOS, and Android with analytics, budgets, alerts, export, and markets.
GitHub activity
marcm87932026 · year to date
4,233 GitHub contributions, including authenticated private activity, across 252 active days in 2026. Use arrow keys to inspect adjacent days.
- Active days
- 252with contributions
- Busiest day
- May 1755 contributions
- Busiest month
- May729 contributions
- 2026 total
- 4,233contributions
Marc@marcm879315 followers
- Repositories
- 85public
- Longest streak
- 467days
- Current streak
- 467days
Read my story
Résumé
Experience & tools.
A concise record of how the work gets done.
Writing
Technology and finance notes.
Public writing for builders and finance-minded readers.