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)
🏢 SLNG//
📍 Barcelona