Software Engineer, Front End Leaning (tech Lead Level)

Synthesia Synthesia · Multimodal · London, United Kingdom · Engineering

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.

What you'd actually do

  1. You will work end-to-end, contributing to our client application written in React and our monolithic backend written in Python, and managing the safe release of your features to our customer base.
  2. You will have sole ownership of projects that span months, requiring you to have the ability to break a problem down into small steps that can be delivered and validated iteratively.
  3. You will work directly with the product manager responsible for your project, meaning that you will be expected to ideate and focus on the commercial problem that you're solving, and you will have the opportunity to shape the direction of the product.
  4. 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.
  5. You will consider the long-term direction of the team, 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 6-12 months' time.

Skills

Required

  • 7+ years of software engineering experience
  • 3+ years of senior/lead level experience
  • Experience in a high-performing engineering team at scale
  • Ability to work across the stack
  • Deep knowledge on client side
  • Experience in implementing complex UI interactions
  • Experience building enterprise-grade SaaS products
  • Experience delivering AI-powered video generation
  • Strong alignment with commercial success

Nice to have

  • FE only experience is OK if you are happy to occasionally help out with BE
  • Previous leadership experience of smaller teams

What the JD emphasized

  • at least seven (7) years of experience as a software engineer, at least 3 on the senior/lead level
  • Relevant engineering experience for a team building an enterprise-grade SaaS product delivering AI-powered video generation