Vadim Ferderer
– Code is perfect when nothing can be taken away.

Latest Articles

Why the Boring Portfolio Wins: Markowitz vs. Black-Litterman vs. Rule-Based

Vadim Ferderer · · ~2500 words

In a 20-year ETF benchmark, a simple rule-based allocation outperformed Markowitz and Black-Litterman in CAGR while trading less and staying aligned with client mandates. Optimization improved Sharpe ratio — but failed the production test. The constraints of retail wealth management aren't obstacles to performance — they define what optimal actually means.

Async Dailys – How a Team Channel Can Replace Your Standup

Vadim Ferderer · · ~1400 words

Daily standups often waste more time than they save — what if a structured team channel could replace them? This article presents a complete framework for asynchronous dailys: posting rules, blocker escalation paths, anti-patterns to avoid, and metrics to measure success. Plus an honest look at when async works, when it doesn't, and why hybrid models usually win.

Featured Projects

Recursive Modulith

#project-structure · #spring-boot · #best-practices

A pragmatic, recursive package structure for Spring Boot. Same pattern at every level: config/ + common/ + domain. With ADRs, arc42 docs, and CI-verifiable rules via Spring Modulith + ArchUnit.

Naked Decision Process

#project-management · #methodology · #decision-tree

Process is perfect when nothing can be taken away. A subtractive methodology that strips software development process down to what your team actually needs.