Hybrid AI / Fullstack Engineer SLNG is building the backbone for real-time speech AI , enabling developers to run voice applications anywhere in the world with local compliance and ultra-low latency.

Local: deployed close to users and compliant with regional regulations All full-time, permanent roles include stock options — we want everyone to share in the upside as we build. Hybrid by design. 3 days/week in the Barcelona office for collaboration and culture. Health insurance, gym, and more via Cobee.

L&D;: Annual budget (up to €1000) for training, courses, or conferences.

About The Role You’ll build the frontends that showcase SLNG — from our developer portal to real-time apps. Next.js). Create real-time transcription + TTS dashboards. Integrate billing, compliance, and usage analytics.

Strong

React/Next.js/Tailwind.

Experience with APIs + streaming UX. Fluency in English The radically integral speech AI gateway for simple, universal, real-time voice. Hybrid AI / Fullstack Engineer

📌 Full Stack Engineer, Billing (Barcelona)
🏢 Cv-Library
📍 Barcelona