Software Engineer (Front End Focus) in London

Synthesia is a leading AI video platform for businesses, trusted by more than 90% of the Fortune 100. Established in 2017, we are headquartered in London with additional offices and team members across Europe and the United States. As AI continues to transform how people live and work, Synthesia builds products that improve visual communication and enterprise learning, enabling individuals to perform at their best and remain central to successful organizations.

About the Role

You will take ownership of the accessibility roadmap and its key outputs, including baseline audits, prioritised remediation plans, Design System coverage, CI automation, and production monitoring. Deliver technical improvements and coordinate remediation initiatives across teams. Work closely with the Design System team, Product, Design, Legal, and external audit partners to integrate accessibility into standard workflows. Upskill selected team members to champion accessibility standards within their departments. Conduct user testing using assistive technologies and incorporate insights into product direction. Build and manage AI-supported tools to scale auditing and remediation processes, with appropriate human oversight. Contribute to the team’s long-term strategy, ensuring we are strengthening engineering capabilities to address challenges expected over the next 6–12 months.

What We’re Looking For

• Minimum seven (7) years of experience in software engineering, including at least three (3) years at a senior or lead level.
• Demonstrated experience leading accessibility initiatives for a large-scale web application, with measurable outcomes.
• Strong frontend expertise (React/TypeScript), along with Storybook, axe-core/pa11y, and Playwright/Cypress.
• Solid understanding of WCAG standards.
• Excellent communication skills with the ability to influence across teams.
• Experience embedding accessibility within Continuous Integration workflows and Design Systems.
• Familiarity with applying LLM/AI tools to accessibility auditing and remediation.
• Previous experience establishing accessibility teams or programs.

Nice to Haves

• Design experience (e.g., Figma).
• Background in media or video accessibility, including captions, audio descriptions, and player controls.

Why Join Us?

We are in a defining era for AI. The coming decade will produce the next generation of iconic companies, and we believe we are positioned to be one of them. Here’s why:

Our Culture

At Synthesia, we focus on building rather than excessive planning or internal politics. We aim to hire highly capable, thoughtful, and driven individuals, empowering them to do their best work with minimal distractions. Our work principles guide how we make decisions, provide feedback, and organize our efforts so everyone can move quickly and effectively.

Serving 50,000+ Customers (and 50% of the Fortune 500)

Leading brands including Heineken, Zoom, Xerox, and McDonald’s rely on us.

Proprietary AI Technology

Since 2017, we have been advancing Generative AI through technology developed in-house by a team of world‑class AI researchers and engineers.

AI Safety, Ethics and Security

Safety, ethics, and security are core to our mission. While the broader societal impact of AI continues to evolve, our stance is clear: People first. Always.

The Hiring Process

• 30–40 minute call with a Technical Recruiter
• 45 minute discussion with an Engineering Manager focused on your previous projects
• 75 minute live coding session, collaborating with one of our Engineers (not LeetCode-style)
• 60 minute system design conversation, typically based on a real production challenge
• 45 minute leadership interview covering collaboration, growth, and your future team

Other Important Information

This position is remote within the EU, UK, or Switzerland. Base salary starts at EUR/GBP/CHF 120,000 plus stock options. Full-time employment only (no contractors), typically hired via OysterHR. All employees receive 25 days of annual leave plus local public holidays. Visa sponsorship is available only for candidates already located in the UK or EU who require support. We do not offer relocation.