Machine Learning AI Engineer Agentic Systems

Welcome to the video first world

From your everyday PowerPoint presentations to Hollywood movies AI will transform the way we create and consume content.
Today people want to watch and listen not read both at home and at work. If youre reading this and nodding check out our brand video.

Despite the clear preference for video communication and knowledge sharing in the business environment are still dominated by text largely because high-quality video production remains complex and challenging to scaleuntil now.

Meet Synthesia

Were on a mission to make video easy for everyone. Born in an AI lab our AI video communications platform simplifies the entire video production process making it easy for everyone regardless of skill level to create collaborate and share high-quality videos. Whether its for delivering essential training to employees and customers or marketing products and services Synthesia enables large organizations to communicate and share knowledge through video quickly and efficiently. Were trusted by leading brands such as Heineken Zoom Xerox McDonalds and more. Read stories from happy customers and what 1200 people say on G2.

In February 2024 G2 named us as the fastest growing company in the world. Today were at a $2.1bn valuation and we recently raised our Series D. This brings our total funding to over $330M from top-tier investors including Accel Nvidia Kleiner Perkins Google and top founders and operators including Stripe Datadog Miro Webflow and Facebook.

What youll do at Synthesia:

We are looking for a Machine Learning / AI Software Engineer who is passionate about building intelligent scalable and production-ready AI agents that redefine how people will join our Copilot Team - a multidisciplinary group of researchers and engineers building course design agents capable of designing writing and enriching interactive educational experiences.

Your mission is to turn cutting-edge research into robust high-performing software that reaches real users. Youll work in a fast-moving environment helping define the architecture of our agentic systems while ensuring best practices in engineering deployment and will thrive here if you love to code ship iterate and if you want to help shape the next generation of AI-powered learning experiences.

• Design build and deploy production-grade AI agents using frameworks such as OpenAI Agents SDK
• Own architectural components within the Copilot project ensuring modular scalable and maintainable designs
• Implement new features quickly to improve user experience and unblock the team as we iterate
• Collaborate closely with researchers and engineers to integrate LLMs into complex multi-agent systems
• Write clean efficient and tested code following best engineering practices
• Optimize and maintain agent pipelines from prototype to production
• Spread good practices around scalable agentic system design and AI software engineering

Who you are:

• You have a background in Computer Science Software Engineering or a related field.
• You have 6 years of experience in software engineering with at least 3 years of experience in ML/AI engineering or NLP-related software development.
• You are an engineer at heart you enjoy building working systems more than writing research papers.
• You have strong Python skills and experience in building and maintaining production systems.
• You have hands-on experience with agentic frameworks such as OpenAI Agents SDK LangChain CrewAI or LangGraph.
• Youve built and deployed real time multi-agent applications that are deployed to and tested by real users.
• You communicate clearly and work well in small fast-paced teams.

Nice to have

• Experience using or fine-tuning LLMs (directly or via APIs).
• Comfort with cloud environments (AWS GCP) and Docker.

Collaboration

• Youll work closely with the Copilot Team a cross-functional group of engineers and researchers.
• Youll own key architectural aspects of the system while collaborating daily on design implementation and deployment.
• Success means empowering others with your engineering expertise and improving how the whole team builds and scales agents.

Why join us

Were building the future of AI-driven learning. Our instructional design agents are transforming how educational content is created - from course outlines and writing to visuals interactivity and immersive roleplay scenarios. Youll work alongside world-class engineers and researchers to make high-quality education creation accessible to everyone.

Our culture

At Synthesia were passionate about building not talking planning or politicising. We strive to hire the smartest kindest and most unrelenting people and let them do their best work without distractions. Our work principles serve as our charter for how we make decisions give feedback and structure our work to empower everyone to go as fast as possible.You can find out more about these principles here.

Serving 50000 customers (and 50% of the Fortune 500)

Were trusted by leading brands such as Heineken Zoom Xerox McDonalds and more. Readstories from happy customersand what1200 people say on G2.

Proprietary AI technology

Since 2017 weve been pioneering advancements in Generative AI. Our AI technology is built in-house by a team of world-class AI researchers and engineers. Learn more aboutour AI Research Lab and the team behind.

AI Safety Ethics and Security

AI safety ethics and security are fundamental to our mission. While the full scope of Artificial Intelligences impact on our society is still unfolding our position is clear:People first. Always. Learn more aboutour commitments to AI Ethics Safety & Security.

The good stuff...

• Competitive compensation (salary stock options bonus)
• Hybrid work setting with an office in London.
• 25 days of annual leave public holidays
• Great company culture with the option to join regular planning and socials at our hubs
• other benefits depending on your location

#LI-MD1