Matheus Krisciumas
ENPT

Work

Full-time systems, side contracts, and personal work. Filter by kind or stack.

Kind of work

Stack

6 shown

  • Timesheets and monthly close for field teams

    Staff Flow · Personal · 2026 — Present

    Web app for companies that run people across worksites: hours on the job, engineer review, and a month-end close with overtime and night extra.

    7 Roles

    Next.jsCloudflareDrizzleTypeScript

  • Petty-cash control for field teams

    Caixa Flow · Personal · 2026 — Present

    Invite-only B2B SaaS that replaces spreadsheets and WhatsApp for employee petty cash: spend, attach receipts, review, reimburse.

    Invite Access

    Next.jsSupabaseTypeScriptVercel

  • Property map load, cut in half

    WITEK · Full-time · Jan 2025 — Present

    Stability work on a legacy property-map platform used by Brazilian notary offices.

    ~50% Load time

    PHPJavaScriptGeospatialPerformance

  • Medical billing across 74 hospitals

    DBKZ · Contract · Sep 2024 — Present

    End-to-end billing product for a medical operation moving about R$1.5M every month.

    74 Hospitals

    NestJSNext.jsReact NativeSQL