ROLE SPECIFICATION // SR7CAZ•ACTIVELY_INTERVIEWINGYC COHORT // YC S20 // OPEN SOURCE
Staff Database Kernel & Storage Engineer
YC
Y Combinator Verified IngestionYC S20 // OPEN SOURCE
Direct from Supabase Founders • Work at a Startup Feed
Mandatory Verified Compensation & Equity Range
Guaranteed Base Salary$185k - $240kUSD / YEAR • RADICAL TRANSPARENCY
Direct Equity Grant0.25% - 0.75%STANDARD 4-YR VEST // 1-YR CLIFF
Anti-Ghosting SLA< 20 HoursHEARTBEAT VERIFIED LIVE
Production Stack Specification
CGoPostgreSQLRustDockerLinuxKubernetes
The Engineering Mission & Technical Challenges
Supabase is the open-source Firebase alternative powering over 1,000,000 developer projects.
Current Technical Challenges & 90-Day Deliverables:
• Optimize pgvector HNSW indexing using AVX-512 and custom SIMD instruction sets directly inside Postgres C extensions.
• Engineer resilient point-in-time WAL streaming to object storage with sub-3-second recovery point objectives.
• Construct zero-downtime physical database branching with instant copy-on-write volume snapshots on NVMe.
• Debug kernel-level page cache eviction and Linux memory management under thousands of concurrent multi-tenant databases.
Transparent Interview Roadmap
1
Database Systems Screen45m
Screen with database team leads covering Postgres internals, WAL replay, and page buffer locks.
2
Kernel Storage Architecture Review60m
Deep dive into distributed storage engine architecture, disk caching, and write amplification mitigation.
3
Paid 1-Day Trial PR1 Day
Compensated trial ($1,000) contributing directly to an open-source Supabase core repository.
4
Founder Offer Lock24h
Formal offer with transparent base salary and equity package.
APPLICATION PROTOCOL: BUILDER DOSSIER