Staff Software Engineer, Voices

Synthesia

Staff Software Engineer working on backend systems for an AI video platform. Ensuring reliable voice generation across multiple languages and TTS providers.

Posted 4/22/2026full-timeRemote • 🇪🇺 Anywhere in EuropeLead💰 €130,000 per yearWebsite

About the role

Key responsibilities & impact

work on the core systems powering Synthesia’s script preview and voice generation experience
build and operate backend services that orchestrate multiple text-to-speech (TTS) providers
ensure provider reliability, request routing, and output consistency
contribute to user-facing product problems from a backend perspective
own projects that span multiple systems and domains
evaluate work through system performance and user experience metrics
collaborate closely with product, frontend, and R&D teams

Requirements

What you’ll need

several years of experience building and operating backend systems in production
strong backend engineer with experience designing reliable, observable services
product mindset focusing on solving user-facing problems
comfortable working close to the client
willing to step outside comfort zone including frontend code
works well in an iterative, experiment-driven environment
experience with observability tools is a plus

Benefits

Comp & perks

25 days of leave + local holidays
stock option plan

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

backend systemstext-to-speech (TTS)reliable servicesobservabilitysystem performanceuser experience metricsfrontend codeiterative developmentexperiment-driven environment

Soft Skills

product mindsetproblem-solvingcollaborationadaptabilitycommunication