Localization jobs

Senior Frontend Engineer focused on growth at Synthesia, an AI video platform. Role involves building high-impact experiments and features across activation, conversion, and monetization surfaces. Requires experience with experimentation infrastructure, PLG systems, and metrics-driven development. Based in London with remote flexibility across UK, Germany, Switzerland, and Ireland.

Staff Research Engineer at Synthesia focused on post-training optimization of diffusion models for generative video and avatar creation. Requires 3+ years industry experience in computer vision/ML, expertise in post-training techniques (DPO, distillation, quantization), and hands-on work with generative models. Hybrid role across European hubs (London, Amsterdam, Zurich, Munich) or remote within Europe.

Staff Backend Engineer at Synthesia, a leading AI video generation platform. Role focuses on designing and owning core backend systems for Avatars and Generative Media, including system architecture, data modeling, and integration with voice/video pipelines. Requires senior-level backend expertise, system design skills, and experience with large-scale, product-facing systems.

Staff Fullstack Engineer at Synthesia, an AI video platform company. Role focuses on building end-to-end product features across Avatars and Generative Media, combining frontend, backend, and AI model capabilities. Requires full-stack development expertise, product mindset, and comfort working in 0-to-1 environments with AI/ML systems. Remote from EU/UK/Switzerland.

Staff Backend Engineer at Synthesia building and operating core systems for multilingual voice generation and text-to-speech orchestration. Responsible for designing reliable backend services that handle multiple TTS providers, voice data persistence, and voice discovery/recommendation systems. Requires strong backend engineering skills (Python/FastAPI), experience with distributed systems and third-party API integration, and a product-focused mindset. Remote role across EU/UK/Switzerland with senior-level compensation.

Senior DevOps/Infrastructure Engineer at Synthesia, an AI video platform company. Role focuses on cloud infrastructure (AWS/GCP), Kubernetes, CI/CD pipelines, observability, and infrastructure automation. This is a hands-on senior IC role (level 5 scope) supporting product engineers in a high-growth AI company.

Staff Backend Engineer at Synthesia, an AI video platform company. Role focuses on building and operating enterprise-grade backend systems at scale, with emphasis on security, reliability, compliance, and multi-tenant architecture. Requires 7+ years of software engineering experience at senior/staff level. Remote from EU/UK/Switzerland. Salary EUR/GBP/CHF 130,000+ base plus stock options.

Engineering Manager leading the Avatars & Generative Media team at Synthesia, an AI video platform. Responsible for delivering complex AI-powered video, avatar rendering, and generative media projects. Leads senior engineers across backend systems, frontend rendering, and AI integrations. Requires 2+ years of team leadership experience, systems thinking, and experience with AI/ML or media pipelines.