At work
Voice-of-Customer Portal
End-to-end subscriber feedback pipeline: LLM quality gate, embedding-based clustering, and a daily insight briefing agent delivered in Slack.
LLM pipelineembeddingsSlack agent
Not a slide about AI. Working software.
I build the internal tooling myself — it's how the standard gets set. A selection, each one in daily use.
Every entry graded before it counts
- Sample entry — describes a specific problem and when it happens kept
- Sample entry — rating only, no words dropped
- Sample entry — restates an earlier entry dropped
- Sample entry — names the step where the user gave up kept
Grouped by meaning, not keyword
Sign-up frictionDiscoveryRedemptionBilling questionsCoverage requests
Bubble size shows relative cluster size. Sample themes.
Delivered every morning
#voc-dailyVoC Agent08:00
Sample briefing. Largest cluster today: sign-up friction.
Sample briefing. New this week: a coverage-request theme separated out of discovery.
Sample briefing. Nothing unusual in billing questions.
At work
Self-Serve Analytics
Natural-language KPI access for the whole company — anyone can ask the data a question and get a governed answer.
Snowflake Cortex
Ask the data
governed answer
Sample answer. Weekly usage trends upward across the sample period, with a dip in week four.
Sample series — weekly, indexed, no unit
governed answer
Sample answer. Market C leads the sample period, with Market A second.
Sample series — indexed to period start
governed answer
Sample answer. The referral series compounds through the sample period.
Sample series — indexed, no unit
Definitions come from the shared metric layer, so two people asking the same question get the same number.
At work
Roadmap Copilot
Planning tool wired into Linear and Notion via MCP, keeping strategy and delivery in one view.
MCPLinearNotion
Now
SAMPLE-101
Sample initiative — onboarding rebuild
Activation
SAMPLE-104
Sample initiative — billing clarity
Retention
Next
SAMPLE-112
Sample initiative — discovery surface
Engagement
SAMPLE-118
Sample initiative — referral loop
Acquisition
Later
SAMPLE-130
Sample initiative — partner tooling
Supply
Strategy in one system, delivery in another, joined over MCP.
On my own time
LernDeutsch
German-learning PWA in daily use: Leitner spaced repetition, speech practice, offline-first.
Next.jsTypeScriptAnthropic APIClaude Code
Leitner boxes
- Box 1daily
- Box 2every 3 days
- Box 3weekly
- Box 4fortnightly
- Box 5monthly
Choose a card
die Verantwortung
Answer
responsibility
Correct → moves to Box 3 (weekly)
der Anspruch
Answer
claim, standard
Correct → moves to Box 2 (every 3 days)
nachhaltig
Answer
sustainable
Correct → moves to Box 5 (monthly)
die Entscheidung
Answer
decision
Correct → moves to Box 4 (fortnightly)