I worked at Contact Harald from September 2025 to September 2026.

Roles and responsibilities:

• Owned backend and voice platform across real-time, asynchronous voice AI systems.
• Migrated bespoke LiveKit/Pipecat voice pipeline to VAPI. Improving scalability and reducing operational complexity.
• Built STT evaluation tooling covering accuracy and latency; improved short-utterance handling by 15% and registration transcription by 25%.
• Reduced monthly infrastructure costs by 60% through identifying and eliminating unnecessary resource usage.
• Reduced client onboarding toil and introduced engineering/process improvements across the team.
• Key skills: Voice AI, LLM/agentic systems, real-time asynchronous systems.