Jacob Spradlin

Meet Jacob

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I take apps that almost work and make them production-ready: deploys, security reviews, migrations, and finishing builds someone else started.

Most of my work is Next.js or React on Supabase, with Stripe, and Vercel or Cloudflare for hosting. Recent projects:

- Launched a 22-page referral site for a mortgage branch on Cloudflare Pages, with per-agent tracking links, HubSpot lead capture, and a DNS cutover with their existing email records preserved.
- Deployed and now maintain a daily newsletter platform: production database, magic-link sign-in with SPF, DKIM and DMARC, and scheduled news ingestion across eight regional editions.
- Security reviews of Supabase apps: row-level security, privilege escalation and open endpoints, with every finding ranked by severity and paired with a fix.
- Built a two-sided marketplace with Stripe Connect payouts, holds, disputes and Twilio SMS.

How I work: fixed price, one defined deliverable at a time, and everything verified before I call it done. I use Claude Code daily, and I check its work the way I'd check anyone's.

Top Rated on Upwork with 13 reviews. 19 years in the Navy. Based in San Diego, on Pacific time.