About this role
Senior Software Engineer, On-Device Voice Reconstruction AI Whispp Software Engineering, Data Science · Full-time Leiden, Netherlands Posted on Sep 19, 2026 Senior Software Engineer, On-Device Voice AI Leiden · Full-time · ~30% travel About Whispp Whispp is an award-winning deep-tech startup in Leiden. Our on-device Voice Reconstruction AI turns whispered, affected, and noisy speech into a person's clear, natural voice - in under 100 ms, on-device, with full speaker identity preserved. We license the technology as an SDK to smartphone and PC OEMs, chipset vendors, and hearing-protection manufacturers, and we have active proof-of-concept programs with tier-1 partners. The role You are the technical bridge between our AI platform and the OEM partners who embed it. You own the hands-on work of getting our SDK running on customer hardware, from first scoping call through validated PoC, signed NRE, and production integration. This is our first dedicated integration hire. You'll work directly with our AI researchers, full-stack engineer, Technical Product Manager, and business development team - and set the technical foundations that let us run multiple OEM programs at once. What you'll do Integration and delivery - Integrate and validate the W2S SDK on customer devices, chipsets, and OS environments - Qualcomm Snapdragon, PC NPUs, emerging hearable platforms. - Own technical execution of PoC and NRE programs: hardware setup, milestones, KPI measurement, demos, and final scope documentation. - Find and fix integration blockers early - hardware quirks, OS audio pipeline incompatibilities, latency and performance gaps. - Keep demo hardware reliable and ready for customer meetings and trade shows. Customer engagement - Act as the primary technical contact for OEM engineering teams during PoC, NRE, and validation. - Translate customer constraints - microphone configurations, NPU limits, audio pipeline architecture - into concrete...