Principal Fullstack Engineer (Seattle - Hybrid) Seattle
Yoodli, Inc.
- United States
- United States
About
Yoodli is the AI roleplay simulator redefining how individuals and teams master communication. We’re building a new category: AI Roleplays - an experiential learning platform that helps people improve through lifelike simulations powered by generative AI. Think of it as the batting cage before the big game—but for communication. Whether it’s a sales pitch, manager feedback session, or media interview, Yoodli provides private, judgment-free, just-in-time coaching. Leaders at companies like Google, Databricks, Snowflake, RingCentral, Toastmasters, and BDO use Yoodli to ramp reps faster, improve message delivery, and reduce coaching burden on frontline managers. The result is stronger performance, greater team readiness, and a more scalable path to impact. Backed by $20M+ from Madrona, AI2, Cercano, and more, we’re based in Seattle at AI House, building the future of human-AI interaction. Mission alignment: You believe in our vision and care deeply about helping people achieve more by communicating better Cross-organizational technical leadership: You'll drive large initiatives as a Principal Engineer, architecting and implementing robust full-stack solutions while establishing technical standards across our engineering organization Backend-focused full-stack expertise: You have deep knowledge of scalable web applications with particular strength in backend systems, APIs, and distributed architectures Customer-centric workflow design: You champion workflows that put users first, translating complex business requirements into elegant technical solutions that deliver exceptional communication coaching experiences Standards and excellence: You set the bar high for API design, code quality, and technical practices—mentoring others and elevating engineering standards across the organization This role is hybrid with an expectation of 3 days a week in the office - you'll need to be based in the Greater Seattle Area. About You:
8+ years of professional development experience, shipping production code Expert-level full-stack capabilities with backend focus - proven track record driving large, cross-organizational projects Deep expertise in API design/implementation, system architecture, and establishing technical standards across teams Strong proficiency in modern technologies (TypeScript, React, backend frameworks) with ability to debug complex distributed systems Exceptional communication and mentoring skills - can build consensus across stakeholders and elevate engineering standards Strategic thinker who understands business impact and champions customer-centric workflows spanning multiple teams Bachelor's degree in Computer Science or equivalent experience Experience with LLMs, generative AI, and AI-powered applications Material UI, Next.js, and NoSQL databases Speech/audio processing technologies and real-time communication systems Experience scaling engineering organizations and establishing technical standards Track record of successful technical hiring and team building What’s in it for you?
Huge impact opportunity: Define technical strategy and build foundational systems at a fast-growing startup Competitive compensation: Significant equity opportunities at a venture-backed company Base compensation: $190k - $220k Benefits: Comprehensive healthcare, dental, vision, 401k, unlimited PTO, free lunches at the office Work directly with the founding team and shape the future of AI-powered communication coaching Join a fun, inclusive and highly motivated team culture (and help define it!) How to Apply: Does this role sound like a good fit? Email us at eng-hiring@yoodli.ai Include the role's title in your subject line. Include links that showcase your relevant experience (resume, websites, GitHub repos)
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Languages
- English
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