2026Cofounder & Full-Stack Engineer

ClosePinger

Client portal and document-collection SaaS for bookkeeping firms — request files, automate reminders, and track month-end close.

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Tech stack

Next.jsNode.jsPostgreSQLSecure file uploadsAutomated email

The challenge

Document collection was a black hole of email follow-ups. Firms needed automated, trackable requests with secure handling of sensitive financial files.

Architecture & approach

Next.js client portal, Node.js API with role-based access, secure upload storage, and a scheduled reminder engine, on PostgreSQL.

Screenshots

Results

Automated reminder cadence replaces manual follow-ups
Secure, structured uploads instead of email attachments
Real-time month-end close tracking

What I learned

For back-office SaaS, reducing anxiety (clear status, gentle automation) matters as much as raw features.

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