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Synthesia

Software Engineer, Front End Leaning – Growth

Synthesia

Software Engineer developing high-impact experiments and features for AI video platform. Collaborating with product managers and data analysts to drive conversion and revenue metrics.

Posted 5/18/2026full-timeRemote • 🇬🇧 United KingdomMid-LevelSeniorWebsite

About the role

Key responsibilities & impact
  • Own and ship high-impact experiments and features end-to-end - from hypothesis to production - that directly move activation, conversion, and revenue metrics
  • Work full-stack across the Growth surface: activation flows and onboarding, self-serve and freemium infrastructure, pricing and packaging mechanics, PQL-to-enterprise funnels, viral and sharing loops
  • Build and extend the team's experimentation platform. At Synthesia, Engineers are builders of the experimentation system, not just users of it - constructing A/B infrastructure, instrumentation, and metrics pipelines that power how the whole product grows
  • Partner closely with product managers and data analysts to prioritize the highest-leverage work, make clear trade-offs between experimentation velocity and long-term scalability, and translate ambiguous business problems into clean technical solutions

Requirements

What you’ll need
  • Experience in activation, conversion, monetization, or PLG systems - not growth marketing or CMS/content engineering
  • Experience building or significantly extending experimentation infrastructure - A/B systems across cached and non-cached pages, metrics pipelines, experiment orchestration - at the builder bar, not just the user bar
  • A habit of quantifying your own impact: you default to metrics (conversion %, activation rate, ARR lift, INP/TTI) when describing what you shipped
  • Strong product sense and ownership mindset - comfortable owning the problem definition, trade-offs, and technical approach, not just the implementation tickets
  • Experience with viral mechanics, sharing loops, or team-expansion features is a strong plus

Benefits

Comp & perks
  • Flexible working hours
  • Professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
A/B testingmetrics pipelinesexperiment orchestrationactivation flowsonboardingmonetizationPLG systemsviral mechanicssharing loopsfreemium infrastructure
Soft Skills
product senseownership mindsetproblem definitiontrade-offstechnical approachquantifying impactcollaborationprioritizationcommunicationadaptability