You will work on the core systems powering Synthesia's script preview and voice generation experience, ensuring users can reliably generate high-quality voiceovers across a wide range of languages, providers, and use cases.
You will build and operate backend services that orchestrate multiple text-to-speech (TTS) providers, alongside Synthesia's in-house models, delivering a seamless and consistent experience to end users despite underlying system complexity.
You will be responsible for designing and evolving systems that handle provider reliability, request routing, and output consistency, ensuring users can generate and regenerate voice content with predictable, high-quality results.
You will contribute to user-facing product problems from a backend perspective, working closely with frontend engineers to ensure APIs and workflows integrate cleanly into the product experience.
You will own projects that span multiple systems and domains, such as:
- Building robustness layers (retries, throttling, failover) to handle unreliable third-party providers
- Designing persistence systems to ensure consistent voice outputs across generations
- Improving how voice data is stored, retrieved, and reused
You will also work on newer initiatives around voice discovery and recommendations, helping users find the best voices by building evaluation systems, improving recommendation logic, and adding observability to monitor quality.
You will evaluate your work through system performance and user experience metrics, using observability to debug and continuously improve reliability.
You will collaborate closely with product, frontend, and R&D teams, ensuring backend systems support both current product needs and future innovation.
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