Backend Engineer, Real-Time Voice

Slng Ltd in Barcelona is looking for a Speech Model Performance Engineer to enhance the speed of speech models. Collaborating with the founding tech team, you'll work on initiatives like quantising neural models for efficiency and benchmarking ASR performance. Candidates should have expertise in ASR/TTS, experience with PyTorch/ONNX, and GPU profiling...

Hopper is seeking a senior full stack engineer to anchor HTS Assist, our agentic AI assistant for travel. You will own the realtime and voice layer end to end, building React/TypeScript front ends, Scala/Python services, and cloud infrastructure.The ideal candidate has 6+ years of experience and a track record with realtime/low-latency systems, RESTful APIs,...

Lynx te invita a formar parte de un equipo dedicado a Machine Learning y programación de alto rendimiento para la detección del fraude bancario en tiempo real. Te integrarás en un entorno Unix/Linux optimizado para rendimiento y procesamiento en tiempo real.Trabajarás en análisis de rendimiento, definición de requerimientos junto con el cliente y en la...

Hopper is seeking a senior full stack engineer to anchor HTS Assist, Hopper's agentic AI assistant for travel. You will own the realtime and voice layer end to end, building across React/TypeScript front ends, Scala and Python services, and cloud infrastructure.The role covers telephony integrations, streaming speech-to-text and text-to-speech pipelines, and...

Cognizant in Barcelona seeks an experienced Senior iOS Developer to drive design and implementation of high-performance voice communication features for iPhone apps.You'll collaborate with product, engineering, QA, and cross-functional teams throughout the software lifecycle, ensuring secure, scalable delivery within the Apple ecosystem.Candidates should be...

Lingo is building a cutting-edge digital health platform. We design real-time biosensor data processing with scalable backend services and analytics pipelines.Senior Software Engineer (Backend) will design and maintain microservices, implement event-driven integrations, and ensure security and privacy per HIPAA/GDPR while mentoring others and solving...

AiFi is seeking a Backend Software Engineer to optimize highly concurrent systems and scale our store operating systems from small to large venues. You will shape core backend microservices and collaborate with app developers and product managers to address real-world use cases and bottlenecks.Join a platform that enables real-time analytics and scalable...

Nuitée is hiring Senior Product Engineers to join Connect, the heart of our platform. Connect unifies hotel supply into a single clean API that partners build on, enabling real-time pricing and inventory at scale.You’ll own the full lifecycle, move fast from idea to production, and ship iterations that matter with measurable impact on partner traffic and...

Powens is seeking a Data & Backend engineer to design, build and run high-traffic REST APIs in Python, and to own data pipelines behind our categorization services. You will contribute to architectural choices on a distributed platform, ensure code quality and observability, and collaborate with product and production teams to translate client needs into...