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Prod / Eng
Barcelona
Hybrid
AI / Fullstack Engineer
Our mission is simple: make AI voice relevant and available for the rest of the world.
We usually respond within a day
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.
Our founding
team comes from the core of AI and developer tooling in the USA , with experience scaling platforms trusted by the world’s best builders.
Meet Luke , Founder & CEO, and
Ismael , Founder & CPO at SLNG.
We’re bringing that San Francisco mindset to Europe with our first hub in
Barcelona , and we have the support of leading international VCs and Angels who are backing the SLNG journey.
Challenge Today, Most Speech Infrastructure Is US-centric, Unreliable, And Difficulty To Deploy Globally. SLNG Is Changing That By Delivering a Platform That Is
Local: deployed close to users and compliant with regional regulations
Fast:
designed for real-time voice experiences
Open: built to integrate with the tools and workflows developers already use.
From real-time transcription to voice AI applications,
SLNG is creating the Voice AI gateway that will empower the next generation of speech-powered products.
What do we offer?
We pay top of market. We want to serious talent in the team, and we benchmark compensation accordingly.
Equity. 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.
Adaptable benefits: Health insurance, gym, and more via Cobee.
L&D;: Annual budget (up to €1000) for training, courses, or conferences.
Remote work support: Monthly stipend (up to €50) to cover wifi or other costs.
Great equipment: Laptop of your choice plus €500 to set up your workstation in year one, with top
📌 AI / Fullstack Engineer (Madrid)
🏢 SLNG//
📍 Madrid