Synthesia
Principal/Staff Software Engineer
$200K
Seattle · Hybrid · Principal · Full-time · Posted Aug 27, 2026
- Experience
- At least seven (7) years; senior or staff-level experience.
- Education
- Bachelor’s degree in Computer Science or Science-related fields, or equivalent combination of education, experience and training.
About the job
Build and operate secure, reliable, scalable enterprise platform systems and APIs that expose Synthesia’s Avatar technology to external creative tools.
What you'll do
- Own cross-team projects, translating complex business and regulatory requirements into scalable technical solutions.
- Build and operate production systems, using observability and reliability metrics to meet performance, compliance, and reliability expectations.
- Contribute to platform direction and product discussions, working with product, security, legal, and infrastructure partners.
What they ask for
- At least seven (7) years of software engineering experience, including experience operating at a senior or staff level.
- Experience building and operating systems at scale.
- Relevant engineering experience building enterprise-grade systems, such as security, compliance, data handling, access control, multi-tenant systems, or platform services.
- Experience owning production systems, including observability, incident response, and reliability improvements.
Nice to have
- Experience across the stack.
- Previous experience leading projects or mentoring other engineers.
Pay
USD 200,000 base salary (starts at)
Tools
Python, React, AWS, Claude, Cursor
AI focus
Contribute to APIs that enable external creative tools to use Synthesia’s Avatar technology; the company also uses Claude and Cursor to accelerate development and automate repetitive tasks.
Model-written summary · the original posting is authoritative