time_theory : bash
Time Theory Development TD chrome monogram with retro gaming hardware and matrix rain, wordmark reading Time Theory Development

Building timeless solutions. Powering modern worlds.

Software, built like you mean it.

Full-stack web and mobile apps for service businesses tired of holding it together with group texts, spreadsheets, and a cell phone that won't stop buzzing. Code, design, deployment, support, all by one person who actually picks up the phone.

STATUS: ACCEPTING_CLIENTS[1 SLOT OPEN]· FIRST CALL FREE
React::
Next.js::
Node::
PostgreSQL::
React Native::
AWS::
Stripe::
Mapbox::
Twilio::
TypeScript::
AI / LLM::
React::
Next.js::
Node::
PostgreSQL::
React Native::
AWS::
Stripe::
Mapbox::
Twilio::
TypeScript::
AI / LLM::

$ cat featured_project.json

Win City Bins

2026
LIVE · MARKETING SITEPLATFORM IN DEVWIN CITY BINS
★ Featured

Win City Bins

MARKETING SITE LIVE · PLATFORM IN DEV · PASTOR LAKI SIAKI

Marketing site shipped and converting. Full Uber-style customer + driver apps and dispatch dashboard in active development.

Next.jsReact NativeNodePostgreSQL
> VISIT SITE

$ cat player_review.txt

What clients say

Bert, you have exceeded my expectation and I cannot express how appreciative I am! I highly recommend going through BJ and make it happen!
Pastor Laki SiakiFounder, Win City Bins

// currently_building

active
  • Building AI-powered hair and nail style preview app using Gemini Nano and Banana

    professional stylist · mobile app · in progress

  • Building the recurring job generator from client schedules

    win_city_bins_driver · app · in progress

  • In-app camera + GPS photo proof + completion webhook

    win_city_bins_driver · milestone 3 · shipped

  • Job feed + claim / release flow

    win_city_bins_driver · milestone 2 · shipped

  • Expo scaffold + Supabase schema + phone OTP auth

    win_city_bins_driver · milestone 1 · shipped

  • Interim ops tool shipped

    win-city-bins · interim ops tool · shipped

  • Solved the margin manipulation hack flag challenge

    huntr.com · capture the flag · shipped

$ ./start_project.sh

Got a project? Let's ship it.

The first call is free and it's mostly me asking questions until we both know what you actually need. No pressure, no project-management runaround.