Staff Backend Engineer, Voices

🕒 June 16

🇬🇧 United Kingdom – Remote

⏰ Full Time

🔴 Lead

🔙 Backend Engineer

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Synthesia

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 2017

🤖 Artificial Intelligence

☁️ SaaS

🤝 B2B

🔥 Funding within the last year

💰 $200M Series E - Synthesia on 2025-10

Artificial Intelligence • SaaS • B2B

<Synthesia> Synthesia is a SaaS AI video platform that enables businesses to create studio-quality videos without cameras, microphones, actors, or studios by using AI avatars and synthetic voiceovers. The platform supports 160+ languages, one-click translation/localization, an AI screen recorder, brand management, collaboration and analytics, and enterprise-grade security (SOC 2 Type II, GDPR). It’s marketed primarily to teams and enterprises for training, sales enablement, marketing, knowledge management and internal communications, helping companies scale video production while reducing time and cost.

📋 Description

• Work on the core speech and voice generation experience at Synthesia. • Design and deliver features across script preview and voice orchestration stack. • Integrate with multiple Text-to-Speech (TTS) providers, building recommendation systems. • Take ownership of features from idea through to production with loosely defined requirements. • Collaborate with product, design, and AI teams to translate user problems into experiments and features. • Ship features behind flags, measure outcomes, and refine based on signals.

🎯 Requirements

• Experience building and shipping product features end-to-end in production environments. • Strong product mindset, able to take ambiguous problems and iteratively solve them. • Comfortable working in 0 to 1 environments, experimenting and prototyping quickly. • Evaluate technical feasibility, making pragmatic trade-offs, especially with external systems. • Care about reliability and user experience, aiming for consistent solutions in real-world usage. • Confidence in collaboration with product and design, including effective pushbacks. • Willingness to debug and work across the stack.

🏖️ Benefits

• 25 days of leave + local holidays