Four builds, documented end to end.
Determa is new. The systems behind it are not. Four delivered builds — each with architecture, numbers and what failed — documented in full on renezander.com.
Production self-hosted voice AI
GPU-backed self-hosted voice AI: local STT, LLM and TTS in EU infrastructure or the client's own VPC. Measured warm latencies, structured outcome writeback.
Enterprise PII redaction for SAP
Self-hosted German PII redactor for SAP prod→dev copies — free-text NOTES columns, unclassified Z-tables, OCR'd attachments. DSGVO-konform, runs on a single consumer GPU.
AI revenue prioritization in HubSpot
HubSpot-native AI layer scoring every contact on ICP fit, ranking the pipeline by expected revenue, prescribing the next action with a written reasoning trace.
AI decision support for enterprise operations
Transformation-portfolio platform with AI-scored initiatives and capability-maturity radar — replaces steering-committee spreadsheets with continuous prioritization.