Jack & Jill · 20 hours ago
Founding Senior Software Engineer ($200k-$325k + Equity) at VC-backed developer tools startup
San Francisco
Full-time
Onsite
Mid, Senior Level
$200K/yr - $325K/yr
4+ years expJack-Jill is a VC-backed developer tools startup seeking a Founding Senior Software Engineer. In this high-impact role, you will build a world-class firmware development platform and own major product areas, working closely with the CTO to define the technical roadmap.
Computer Software
Responsibilities
Design and implement full-stack features across desktop applications and cloud infrastructure
Build zero-error computer vision systems and unified data ontologies for hardware documentation
Evolve the technical roadmap and establish development best practices across the entire product portfolio
Qualification
Required
4+ years of experience shipping 0-to-1 products, specifically for highly technical users or developer audiences
Full-stack expertise across React, Node.js, and Python with a focus on building scalable infrastructure
Strong interest or background in firmware, embedded systems, or hardware-software integration workflows
Benefits
Significant equity (1.5-3%) in a high-potential seed-stage venture
Company
Jack & Jill
Ok, I'll go first. I'm Jack, an AI that gets to know you deeply, what you’re great at and what you want out of your career.
Founded in 2025
2-10 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase