Synthesia
Multimodal · AI video / synthetic avatars
Multimodal · AI video / synthetic avatars
Synthesia currently has 17 active AI-related job listings. The majority of these roles, 47%, are in the application stage. Engineering is the most frequent function, with 10 listings, followed by Research with 5. The company is hiring in the United Kingdom and the United States. Frequent tech tags include model_serving, multimodal, and inference_infra, suggesting a focus on deploying and optimizing multimodal AI models. Synthesia has posted 3 new AI roles in the last 30 days, a 62% decrease compared to the previous 30-day period.
Currently tracking 12 active AI roles, up 25% versus the prior 4 weeks. Primary focus: Ship · Engineering.
Synthesia currently has 20 active AI-related roles in our index. The most common open titles are: Application Security Engineering Manager, Commercial Data Scientist, Engineering Manager (Avatars), Infrastructure Engineer, Principal ML Platform Engineer. Most positions are in Engineering and Research.
Synthesia's active AI hiring is concentrated in: application (35%), post-training (20%), agents (15%). These categories follow a seven-stage AI lifecycle: data, pre-training, post-training, serving infrastructure, agents, evaluation, and application.
Synthesia is hiring AI talent in: United Kingdom (3 roles), United States (1 role).
Job postings at Synthesia most frequently reference: model serving, multimodal, agent orchestration, llm observability, inference infra.
In the past 30 days, Synthesia has posted 4 new AI-related roles.
| Title | Stage | AI score |
|---|---|---|
| Staff Engineer, Machine Learning Staff Engineer, Machine Learning at Synthesia, a leading AI video platform. This role focuses on building and owning features for the new Interactive Agents product, a conversational video platform. Responsibilities include working directly with LLMs, prompt engineering, fine-tuning, and building ML infrastructure for agentic AI solutions. The role is end-to-end, involving ideation, product direction, and evaluating work using established data pipelines. Requires at least 7 years of experience, with 3+ at staff level, and experience in high-performing, scaled engineering teams building enterprise-grade SaaS products. | AgentServe | 8 |
| Staff Backend Engineer, Voices Staff Backend Engineer focused on the core speech and voice generation experience for Synthesia's AI video platform. The role involves designing and delivering features across the script preview and voice orchestration stack, integrating with TTS providers, building recommendation systems, and ensuring voice output quality. Responsibilities include backend systems for TTS provider orchestration, frontend experiences for voice selection, and voice discovery/recommendation systems. The role emphasizes working on 0 to 1 problems, collaborating with product and AI teams, and shipping features end-to-end. |
| Post-trainServe |
| 7 |
| Application Security Engineering Manager Engineering Manager for Application Security team focused on building AI-native security tooling, embedding security into the development lifecycle at scale, and managing a team of senior engineers. The role requires technical depth in threat modeling, agentic security tooling, and application risk, alongside strategic ownership of AppSec strategy and scaling. | Agent | 7 |
| Staff Fullstack Engineer, Avatars Staff Fullstack Engineer role at Synthesia, an AI video platform company. The role focuses on building end-to-end product features in the Avatars and Generative Media domain, integrating frontend, backend, and AI model capabilities. Responsibilities include owning features from idea to production, working with both third-party and in-house AI models, and tackling 0 to 1 problems. Experience with AI/ML products, experimentation, or feature flagging is a plus. | Ship | 7 |
| Staff Software Engineer, Voices Staff Software Engineer focused on the core systems for Synthesia's AI video platform, specifically script preview and voice generation. The role involves building and operating backend services that orchestrate multiple TTS providers and in-house models, ensuring reliability, consistency, and quality. Responsibilities include designing persistence systems, improving voice data handling, and working on voice discovery/recommendation features, including evaluation and observability systems. The role requires strong backend engineering skills, a product mindset, and collaboration with R&D and frontend teams. | ShipServe | 7 |
| Principal ML Platform Engineer Principal ML Platform Engineer role focused on building and operating systems for training, serving, and deploying generative models reliably and efficiently. The role emphasizes infrastructure, backend systems, tooling, reliability, scalability, performance, and resource efficiency, with a growing focus on agent-oriented workflows. This is a hands-on IC role with significant ownership in shaping the ML platform's evolution. | ServeData | 7 |
| Engineering Manager (Avatars) Engineering Manager to lead the delivery of complex AI-powered video and generative media systems, focusing on avatar rendering and AI model integration. The role involves breaking down research initiatives, managing senior engineers, scaling the team, and ensuring system reliability and performance for an enterprise-grade SaaS product. | Ship | 7 |
| Senior Software Engineer, Accessibility Senior Software Engineer focused on accessibility for an AI video platform. The role involves driving execution, shipping technical fixes, partnering with various teams, educating members, running user testing, and designing/operating AI-assisted tooling for audits and remediation with human-in-the-loop guardrails. Experience with LLM/AI tools applied to accessibility is required. | — | 5 |
| Technical Support Specialist - German Speaking Technical Support Specialist for an AI video platform, focusing on investigating and resolving complex customer issues, escalating to engineering, and collaborating on bug reporting and improvements. Requires strong troubleshooting, analytical skills, and experience with SaaS platforms, APIs, and monitoring tools. | — | 5 |
| Principal/Staff Software Engineer Principal/Staff Software Engineer for Synthesia, a leading AI video platform. The role focuses on core enterprise platform systems, APIs for Avatar technology, and ensuring security, reliability, and scalability for large customers. The engineer will own projects, contribute to product discussions, and translate business/regulatory requirements into technical solutions, while considering long-term platform direction and evolving regulatory needs. Experience with building and operating systems at scale, system design, and production ownership (observability, incident response, reliability) is required. | Ship | 5 |
| Studio Avatar Supervisor This role is for an Avatar Studio Supervisor at Synthesia, an AI video platform company. The role involves supporting avatar processing, finishing, and release workflows, using and developing proficiency with AI tools (including Claude, generative image tools, and Synthesia's platform) to create and release avatars. It also includes traditional post-production tasks like editing and color grading, as well as client interaction and organizational responsibilities. The role requires experience in post-production or VFX, proficiency with DaVinci Resolve and Photoshop, and comfort using AI tools. While the company is AI-focused and uses AI tools extensively, the core responsibilities of this specific role are not about building or researching AI models themselves, but rather using AI tools within a production pipeline. | — | 5 |
| Infrastructure Engineer Experienced DevOps/SRE/Platform Engineer to join the Cloud Infra team, responsible for maintaining and scaling Kubernetes (EKS) clusters, managing AWS/GCP environments, owning CI/CD systems (GitHub Actions), defining Infrastructure as Code (Terraform/Terragrunt), strengthening observability (Datadog), and driving FinOps practices in a fast-moving AI video company. The role focuses on enabling product engineers to build and deploy AI technologies. | Serve | 5 |
| Commercial Data Scientist Commercial Data Scientist at Synthesia, an AI video platform company, responsible for building, deploying, and maintaining data science models to improve revenue outcomes and customer experience. Projects include customer health scores, lead intent scoring, churn/expansion predictors, segmentation, and experimentation frameworks. Requires end-to-end model lifecycle management, from problem definition to production deployment and maintenance, with a strong production mindset and collaboration with commercial stakeholders and Data Engineering. | Ship | 5 |
| Engineering Manager (Growth) Engineering Manager for the Growth team at Synthesia, an AI video platform. The role focuses on leading delivery of complex engineering projects to drive user acquisition, activation, and revenue growth through experimentation and conversion optimization. This is a management role focused on team leadership, scaling, and delivering business outcomes within a fast-paced, outcome-driven environment. | — | 5 |
| Senior Data Engineer Senior Data Engineer for an AI video platform, responsible for designing and maintaining scalable data pipelines, optimizing data models, and ensuring data quality and governance, with a focus on bridging experimental data science workflows to production and handling AI-specific data governance. | Data | 5 |
| Software Engineer (Principal level) Principal Software Engineer for Synthesia, a leading AI video platform. The role focuses on backend systems, inter-service testing, overall stability, and steering backend direction. It involves end-to-end ownership of projects spanning quarters, working across the stack from React client to Python backend, and leading cross-team initiatives. The company is well-funded and values strong engineering culture and commercial success. | — | 5 |
| Senior Site Reliability Enigneer Senior Site Reliability Engineer for an AI video platform company. The role focuses on operational excellence, incident management, automation, reliability engineering, vendor management (including LLM API providers), and FinOps within the Cloud Infrastructure team. The engineer will own and operate systems, build automation, and ensure the reliability and efficiency of the platform. | — | 0 |
| Technical Support Associate - London Provide first-line technical support to enterprise customers for an AI video platform, investigating and resolving issues, escalating complex cases, and documenting solutions. | — | 0 |
| Senior Brand Designer, Experiential This role is for a Senior Brand Designer focused on experiential design for Synthesia, a leading AI video platform. The designer will shape how the brand appears in global events, physical environments, and digital experiences, from concept to production. Responsibilities include designing event presence, spatial environments, print assets, merchandise, and digital experiential moments. The role requires strong visual craft, deep knowledge of print production, and experience translating physical-to-digital brand experiences. While the company is an AI leader, this specific role is in brand design and does not involve building or shipping AI models. | — | 0 |
| IT Systems and Support Engineer Synthesia is seeking an IT Systems and Support Engineer with 6+ years of experience in IT administration, systems engineering, or infrastructure operations. The role involves designing, maintaining, and scaling IT infrastructure, leading troubleshooting, automating IT processes, and implementing compliance controls. Experience with identity platforms, device management, and SOC2/ISO27001 standards is required. The role is based in London. | — | 0 |
| Webflow Developer / Front-End Engineer This role is for a Webflow Developer / Front-End Engineer on the Marketing Website team at Synthesia, an AI video platform company. The primary responsibilities include building and maintaining pages and components in Webflow, implementing custom front-end functionality using JavaScript, and supporting internal SEO and automation tools running on AWS. The role also involves improving performance, accessibility, and technical SEO, and collaborating with design, SEO, and growth teams. While the company is AI-focused, this specific role is centered on the marketing website's front-end and supporting tooling, not direct AI/ML model development. | — | 0 |