Senior Research Engineer - Interactive Avatars
Synthesia
About this role
A Research Engineer at Synthesia joins the R&D Interactive Avatars team to advance avatar-centric interactive video diffusion models and turn research breakthroughs into product capabilities. The role focuses on applied generative AI research—developing models for long-form streaming video, audio-conditioned interactions, and improved visual realism—within a fast-moving team of researchers and engineers. You will help ship models that drive product impact for thousands of business customers.
Skills
About Synthesia
synthesia.ioSynthesia is an AI video platform for businesses that creates high-quality videos from text using realistic AI avatars and voiceovers in 140+ languages. Its web-based studio, customizable templates and avatars (including custom-brand avatars), translation/localization and API enable fast, programmatic video production at scale. Customers use Synthesia for training, marketing, onboarding and internal communications to cut production time and costs—no cameras, studios or actors required. The product is positioned for enterprises with collaboration, security and integrations that support scalable, multilingual video workflows.
Recent company news
I worked at Joe & The Juice before founding Synthesia, a $4 billion AI unicorn. Here's how I structure my day.
1 month ago
Synthesia hits $4B valuation, lets employees cash out
1 month ago
Nvidia-Backed AI Startup Synthesia Raises Funding at $4 Billion Valuation
1 month ago
Nvidia and Alphabet VC arms back AI startup Synthesia at $4 billion valuation
1 month ago
AI Video Startup Synthesia Valued At $4 Billion In New $200 Million Raise
Oct 29, 2025
About Synthesia
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Leadership Team
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
Unlock Company Insights
View leadership team, funding history,
and employee contacts for Synthesia.
Salary
$171k – $229k
per year
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