Synthesia

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.

Staff Backend Engineer role focused on the core systems powering Avatars and Generative Media for Synthesia's AI video platform. The role involves system design, architecture, scalability, reliability, and integration with voice and video pipelines, ensuring avatars function as a first-class entity. It requires a long-term view, technical stewardship, and collaboration with product, R&D, and adjacent teams.

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.

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.

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.

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.

The GRC Analyst will own and evolve the governance, risk, and compliance program for an AI video platform company. This role requires a strong technical foundation to bridge the gap between how systems are built and operated and compliance requirements for audits, customers, and leadership. Responsibilities include managing GRC programs (ISO 27001, SOC 2, ISO 27701, ISO 42001), translating technical realities into audit narratives, and contributing to risk management. The role also involves preparing for future certifications like ISO 22301, HITRUST, and FedRAMP. A hands-on technical background, understanding of cloud environments (AWS), and experience supporting audits are essential. Familiarity with AI/LLM tools is a plus.

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.

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.

Staff Software Engineer focused on core enterprise platform backend systems for an AI video platform. Responsibilities include building and operating scalable, reliable, and secure backend services, translating business and regulatory requirements into technical solutions, and ensuring system health and compliance through observability and monitoring. The role emphasizes ownership of complex projects, cross-functional collaboration, and long-term platform direction.

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.

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.

This role provides first-line technical support to enterprise customers for Synthesia's AI video platform, investigating and resolving issues, and escalating complex cases. It requires strong troubleshooting, communication, and analytical skills, with preferred experience in SaaS platforms and ticketing systems.

Software Engineer role focused on accessibility for Synthesia's AI video platform. The role involves owning the accessibility roadmap, shipping technical fixes, educating teams, running user testing, and designing AI-assisted tooling for audits and remediation. Requires significant frontend expertise and experience driving accessibility for large web applications.

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.

Software Engineer (Front End Leaning, Tech Lead level) for Synthesia, a leading AI video platform for business. The role involves end-to-end development on a React client and Python backend, owning projects, collaborating with product managers, and evaluating feature impact. Requires 7+ years of software engineering experience, with at least 3 in senior/lead roles, and experience in high-performing, scaled engineering teams. Experience with enterprise-grade SaaS products delivering AI-powered video generation is relevant. The company is well-funded and focuses on AI safety and ethics.

Software Engineer (Backend Leaning, Tech Lead Level) for Synthesia, a leading AI video platform for business. The role involves end-to-end development of their client application (React) and monolithic backend (Python), with project ownership, iterative delivery, and close collaboration with product managers. Responsibilities include evaluating own work using data pipelines, considering long-term engineering capabilities, and contributing to an enterprise-grade SaaS product in the AI-powered video generation space. Requires at least 7 years of software engineering experience, with at least 3 in a senior/lead capacity, and experience in high-performing, scaled engineering teams. Experience with backend development is essential, with occasional FE help acceptable. Familiarity with building enterprise SaaS products, billing systems, experimentation platforms, video delivery systems, and online editors is relevant. Strong alignment with commercial success is expected. Previous leadership experience is a plus.

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.

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.

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.

This role is for a Senior Analytics Engineer responsible for building and evolving the analytics foundations that power product decision-making. The engineer will work with Product, Analytics, and Engineering to transform raw product data into trusted datasets and metrics, owning the principles behind data modeling for self-serve and AI use cases. The role requires strong dbt and SQL skills, a product mindset, and a focus on data quality and trust.