Senior Applied Research Engineer - Video

Synthesia · Europesenior

En corto

▸Ingeniero de investigación aplicada que desarrolla modelos de video generativos de alta calidad para avatares humanos.
▸Trabajas en todo el ciclo: desde entrenamiento a inferencia, con enfoque en escalabilidad, estabilidad y control en producción.
▸Tu trabajo impacta directamente en productos usados por decenas de miles de empresas globales.

Proficiency in English is required for collaboration across global teams.

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¿Qué piden?

✓Experiencia comprobada entrenando modelos de deep learning a gran escala
✓Habilidades sólidas en Python y PyTorch
✓Experiencia práctica con modelos de difusión (imagen obligatoria; video preferible)
✓Conocimiento en entrenamiento distribuido multi-GPU/multi-nodo
✓Capacidad para diseñar experimentos controlados e interpretar resultados ruidosos
✓Enfoque en resultados y entrega en producción, no solo en investigación

¿No cumplís todo? Es lo normal — tu dossier gratis te dice qué gaps tenés y cómo cubrirlos en la entrevista.

PythonPyTorchCUDADeepSpeeddistributed traininginferenceSequence parallelismAWSSLURMDocker

¿A quién escribirle en Synthesia?

Tu dossier gratis identifica a las personas que te entrevistarían — con su background, qué valoran y cómo escribirles para destacar antes de aplicar.

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US. As AI continues to shape the way we live and work, Synthesia develops products to enhance visual communication and enterprise skill development, helping people work better and stay at the center of successful organizations. Following our recent Series E funding round, where we raised $200 million, our valuation stands at $4 billion. Our total funding exceeds $530 million from premier investors including Accel, NVentures (Nvidia's VC arm), Kleiner Perkins, GV, and Evantic Capital, alongside the founders and operators of Stripe, Datadog, Miro, and Webflow. About the role As an Applied Research Engineer in our Video team, you will help build the next generation of production-grade foundation models for human-centric video generation. You will join a highly focused team working at the intersection of large-scale generative modeling, distributed systems, and production engineering. Our mission is to develop and optimize video base models that power realistic, controllable, and emotionally expressive synthetic humans at scale. This is not pure research. This is applied research with direct product impact. You will work on advancing training recipes, scaling distributed systems, improving evaluation frameworks, and optimizing inference to ensure our models are high quality, stable, and efficient enough for real-world deployment. Your work will directly influence models used by tens of thousands of businesses worldwide. What you’ll do You will own and execute end-to-end research and engineering projects, from hypothesis to production impact. This includes: Developing and scaling latent video diffusion models tailored for human-centric video generation Designing conditioning mechanisms to improve control (pose, emotion, script, camera) without sacrificing fidelity Advancing distributed training strategies (DDP, FSDP, DeepSpeed, sequence parallelism) under real compute constraints Improving training stability at multi-node scale Designing rigorous evaluation frameworks combining automated metrics and structured human evaluation Optimizing inference for low latency, high resolution, and cost efficiency Running controlled ablations and experiments to drive high-signal modeling decisions Contributing to high engineering standards: reproducibility, experiment tracking, CI/CD, monitoring You will be expected to move fast, run multiple hypotheses in parallel, identify signal early, and focus on outcomes rather than exploration for its own sake. Who you are You are research-driven but outcome-focused You care about shipping, not just publishing You can explore multiple ideas quickly and drop low-signal directions early You communicate clearly and present results scientifically You operate independently but collaborate actively across teams Why join us? Build production-scale video foundation models in a fast-growing Generative AI company Work on human-centric video generation with real-world impact Tackle hard problems in scaling, stability, and controllability Influence th

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