
Senior Software Engineer – Full-Stack
Lully
full-time
Posted on:
Location Type: Hybrid
Location: San Francisco • California • United States
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Salary
💰 $220,000 - $250,000 per year
Job Level
Tech Stack
About the role
- Build and own entire sections of the product, including major parts of the web application
- Design, implement, and ship features end-to-end — from UI to APIs to infrastructure
- Help optimize and scale our voice AI infrastructure, improving latency, reliability, and cost
- Collaborate closely with founders and teammates to shape product direction
- Ship to production frequently and iterate based on real user feedback
Requirements
- 5+ years of professional experience
- Strong generalist — you’re excellent on either the front end or back end, and comfortable working across the stack
- Front-end expertise with TypeScript and Next.js, including performance, UX, and clean architecture
- Back-end experience with Go, building reliable, scalable systems
- Product-minded engineer who understands tradeoffs between speed, quality, and scale.
Benefits
- Opportunity to work at a high-growth AI startup, backed by top investors.
- Rapidly growing and backed by top investors including a16z, Y Combinator, and Base10.
- Ownership & Autonomy - Take full ownership of projects and ship fast.
- Top-Tier Compensation - Competitive salary + equity in a high-growth startup.
- Comprehensive Benefits - Healthcare, dental, vision coverage.
- Work With the Best - Join a world-class team of engineers and builders.
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
TypeScriptNext.jsGoUI designAPI developmentinfrastructure optimizationscalable systemsperformance optimizationclean architectureend-to-end development
Soft Skills
collaborationproduct-mindeduser feedback iterationtradeoff analysisgeneralist