Senior Software Engineer, Accessibility

About the role

• You will drive execution and promote DS partnerships and deliverables: baseline audit, prioritise remediation, DS coverage, CI automation, and production monitoring.
• Ship technical fixes and lead cross-team remediation efforts.
• Partner with Design System, Product, Design, Legal, and External Audit provider to embed accessibility in workflows.
• Educate specific team members to drive accessibility standards in their org.
• Run user testing with assistive tech and integrate findings into product decisions.
• Design and operate AI‑assisted tooling to scale audits and remediation (with human‑in‑the‑loop guardrails).
• 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.

What we’re looking for:

• At least five (5) years of experience as a software engineer, at least 3 on the senior/lead level.
• Proven track record driving accessibility for a large web application (measurable results).
• Deep frontend expertise (React/TS), Storybook, axe‑core/pa11y, Playwright/Cypress.
• Knowledge of WCAG requirements.
• Strong cross‑org influence and communication skills.
• Experience integrating accessibility into continuous integration flows and Design System.
• Experience with LLM/AI tools applied to accessibility audits and remediation.

Nice to haves:

• Design skills (e.g. Figma) would be a nice to have.
• Experience with media/video accessibility (captions, audio descriptions, player controls).
• Prior experience building accessibility teams or programs.

Other important info:

• Preferred location: UK, Germany, Switzerland or Ireland; also remote support for other European locations subject to compliance and right‑to‑work checks.
• The salary starts at EUR/GBP/CHF 120,000 base + stock option plan.
• This is full‑time employment only – no contractors possible – usually through OysterHR.
• Everyone at Synthesia gets 25 days of leave + local holidays.

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