Synthesia jobs

Synthesia seeks an ML Platform Engineer to design and operate systems for training, serving, and deploying generative models reliably and efficiently. Role emphasizes infrastructure, backend systems, tooling, and agentic automation across research and production serving. Europe-based (London HQ) with remote option, requires strong systems mindset, production ML experience, and expertise in reliability, scalability, and performance optimization.

Synthesia is hiring a dedicated Senior Site Reliability Engineer to own operational excellence across their Cloud Infrastructure team, managing incident response, automation, observability, and vendor relationships for their AI video platform. The role focuses on deep infrastructure domain ownership (Kubernetes, AWS, MongoDB, Temporal) and FinOps, with explicit SRE expertise expected; compensation and full remote US eligibility are listed, but the function is specialized infrastructure operations rather than full-stack software engineering.

Synthesia seeks a Staff Backend Engineer for its Voices product, responsible for building speech and voice generation infrastructure, including TTS provider orchestration, frontend-backend integration, voice discovery systems, and 0-to-1 product work. Based in Europe (remote), the role involves collaboration with product and AI teams on experimentation and shipping production features. Compensation and exact US availability are not specified.

Synthesia seeks an Application Security Engineering Manager to lead a team of senior/staff security engineers. The role involves team leadership, AppSec strategy, threat modeling, and cross-organizational stakeholder management at a $4B AI video platform. Location: Europe remote or London hybrid; compensation not specified.

Synthesia is seeking a Senior Software Engineer, Accessibility to drive accessibility initiatives across their AI video platform, including audits, remediation workflows, CI automation, and design system integration. The role requires 5+ years of software engineering experience with 3+ years at senior level, deep React/TypeScript expertise, and proven track record improving accessibility for large web applications. The position is based across European offices (London, Germany, Zurich, Berlin, Munich) with remote flexibility but company footprint is Europe-first, and offers competitive compensation and equity within a $4B Series E company.