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Principal/Staff Software Engineer

Synthesia· Engineering
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Hybrid (Seattle)$200kFull-timePosted 5mo ago

About the role

Senior level software engineering role focusing on core enterprise platform systems, secure, reliable, and scalable services, with ownership of multi-team projects and contribution to a new API suite enabling external use of Avatar technology.

Responsibilities

  • Work on core enterprise platform systems to ensure security, reliability, and scalability for large customers.
  • Contribute to new APIs enabling external tools to use Synthesia's Avatar technology.
  • Own projects spanning months and multiple teams; break down complex problems into deliverable steps.
  • Contribute to product discussions with user and business considerations; drive impact.
  • Collaborate with product, security, legal, and infrastructure teams; translate requirements into scalable solutions.
  • Evaluate work using system health, observability, and reliability metrics to meet performance and compliance expectations.
  • Consider long-term platform direction to support future scale and regulatory needs.

Qualifications

  • At least seven (7) years of experience as a software engineer at senior or staff level.
  • Experience building and operating systems at scale, ideally in platform or enterprise-focused teams.
  • Strong expertise in development and system design; full-stack experience (Python, React & AWS) is a plus.
  • Experience with enterprise-grade systems including security, compliance, data handling, access control, multi-tenant systems, or platform services.
  • Experience owning production systems including observability, incident response, and reliability improvements.
  • Ability to work cross-functionally and drive technical initiatives end-to-end.
  • Strong alignment with building reliable, scalable systems to support long-term product and business goals.
  • Leadership experience mentoring others or leading projects is a plus.

Skills

Required:software engineeringsystem designobservability and reliability

Benefits

  • 25 days of leave + local holidays
Last updated Sep 30, 2026. Interested? Apply on the company site.

About Synthesia

#1 AI Video Platform for Business

Synthesia is a #1 AI Video Platform for Business. Our AI Video Generator enables anyone to create professional videos without mics, cameras, actors, or studios. Using AI, we’re radically changing the process of video content creation, making it scalable and affordable while maintaining high quality.

AI Video GeneratorAI Video PlatformCorporate VideoCustom AvatarsLanguagesLocalizationTraining VideosVideo Production
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