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Software Engineer, (Principal level)

SynthesiaLondon, United Kingdom
UK160000GBP - 160000GBP
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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 you’re reading this and nodding, check out our .

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 scale—until now….

What you'll do at Synthesia

  • You will have ownership of projects that span quarters, requiring you to have the ability to break a problem down into small steps that can be delivered and validated iteratively.
  • You will evaluate your own work, leveraging our data pipeline and frameworks that we have established to understand the impact your features have on our commercial objectives and pivoting where necessary.
  • You will consider the long-term direction of Engineering, making sure that we are developing the engineering capabilities that will allow us to stay ahead of the challenges we are likely to encounter in 12-18 months' time.
  • You will work end-to-end, from our client application written in React to our monolithic backend written in Python, and lead projects that span across multiple teams.
What we're looking for
  • At least ten (10) years of experience as a software engineer, at least 2 at the Senior Staff/Principal level (L7+).
  • Previous leadership experience in driving projects across multiple teams (50+ Engineers).
  • Experience in a high-performing engineering Org that is operating at scale. This could come from a scale-up environment or a more established organization recognised for building and shipping with a great engineering culture.
  • An ability to work across the stack, with deep knowledge on server side and all things back end related.
  • Relevant engineering experience for a team building an enterprise-grade SaaS product. Extra points for delivering AI-powered video generation product, billing systems, experimentation platforms, video delivery systems, online editors, real-time collaboration and so on.
  • Strong alignment with commercial success.

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FAQ

Is the Software Engineer, (Principal level) position at Synthesia remote?
Yes. This role was posted on Remote Backend Jobs, a job board that lists exclusively fully remote positions.
What is the salary for the Software Engineer, (Principal level) role?
The posted salary range for this position is 160000GBP - 160000GBP.
When was this Software Engineer, (Principal level) job posted?
This listing was posted on November 7, 2025 and is still open for applications.
How do I apply for the Software Engineer, (Principal level) position at Synthesia?
Use the apply button on this page — it takes you directly to the employer’s application page.

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