Every project,built for real use

Online Tutoring Sign-Up and Checkout

Prospective students pick a programme, fill in their details, see the price, and pay on the same page without waiting for an admin.

AI Tutor for Students

An AI tutor that guides students step by step in practice, lessons, and coding classes without handing out the answer key.

Automated Reminders and Email Follow-Ups

A scheduled system that sends consultation reminders, follow-up emails to prospects, and subscription expiry notices without manual work.

Lead CRM and Follow-Up Pipeline

An admin dashboard that captures every website lead, moves it through statuses until enrolment, and manages follow-up tasks.

Online Payments and Automatic Refunds

Midtrans integration for QRIS, GoPay, and virtual accounts, with promo codes, manual transfers, and automatic access removal on refunds.

Interactive Lesson Engine

An interactive maths lesson platform: one idea per screen, hands-on visual tools, and automatic checking at every step.

543

Interactive lesson modules

18

Maths courses

Business Dashboards for Owners

Seven dashboards covering leads, users and subscriptions, revenue, product usage, issue reports, and system health.

AI Question Answering for PDFs

Upload a PDF and ask questions: the system finds the relevant passages and the AI writes an answer from that document.

Coding Courses with In-Browser Labs

Indonesian-language Python, SQL, data, and AI courses where code runs and exercises are checked right in the browser, no install needed.

13

Published courses

199

Modules

1283

Exercises verified with zero errors

Adaptive Practice and Placement Check

Practice that adapts to each student's mastery, starting with a placement check and ending with a summary for parents.

Timed Online Exam Simulator

UTBK and CPNS mock exams with a server-side timer, autosave, integrity logging, and percentile ranks for every edition.

1082

Questions in the mock-exam bank

12

UTBK editions written

±130

Concurrent test-takers per server (load test)

Devans Egg Website with Local SEO

A website for Devans Egg, a salted-egg business from Cirebon, with 11 articles, built to be found on Google and send buyers to WhatsApp.

11

SEO articles

Devans Egg Partner Forms to WhatsApp

Reseller, partnership, tester, and giveaway forms that open WhatsApp with a prefilled message, with Google Sheets logging ready to switch on.

Premium Subscriptions and Access Control

Monthly, quarterly, and yearly subscriptions that stack access periods, unlock trials, and control access to each product.

Digital Product Store with Licensing

A store for mock-exam bundles and PDF modules; every PDF download is stamped with the buyer's name and email so copies can be traced.

Free Diagnostic Test with Recommendations

A short free test that gauges a prospect's level, then recommends a programme and lesson format using auditable rules.

Spam-Resistant Consultation Form

A consultation form that resists spam, never creates duplicates, and instantly sends a confirmation and an admin alert.

Instant Telegram and Email Alerts

The owner gets a Telegram message for new leads, payments, or issue reports, while customers receive transactional emails.

Daily Problem with Streaks

One reasoning problem a day that anyone can try without an account, with a share image and streaks for signed-in users.

Bug Reports with Screenshots

A 'Report a problem' button on every page that sends a description, a screenshot, and technical context to the admin queue.

Question Bank with Automated Checks

A question-bank pipeline that checks answer keys, formulas, and images automatically before questions reach students.

9754

Questions in the static bank

543

Mapped competencies

Gamified Student Dashboard

A student home that shows the next session, study plan, active courses, and XP, level, streaks, and daily quests in one place.

Bilingual Marketing Website

An Indonesian and English website with programme pages, prices from configuration, structured data for Google, and consent-first analytics.

Blog with Formulas and Illustrations

An MDX education blog with crisp maths formulas, vector illustrations, a table of contents, RSS, and a call to action after each article.

35

MDX articles

Interactive 3D Learning Visuals

3D scenes such as cube nets, solids of revolution, and an island map that load only on capable devices, with a fallback image elsewhere.

Automated Animation Video Pipeline

Lesson animation clips are generated from code, re-rendered only when they change, subtitled, and uploaded to video storage automatically.

564

Manim animation scenes

Secure Login and Personal Data Controls

Sign-in with email OTP, password, or Google, cookie-based sessions, recorded data consent, and self-service account deletion.

Error and System Health Monitoring

Every server error is stored with a correlation code the owner can search in a dashboard, next to backup status and service quotas.

Daily Backups and Restore Drills

The database is backed up daily, encrypted, to separate storage, and the restore procedure has been tested in restore drills.

Edge Hosting and Cost-Aware CI/CD

The web app runs on Cloudflare Workers and the API on Fly.io, with CI that only runs the checks for the parts that changed.

16.6 MB

Worker handler size after optimisation (was 102 MB)

415

Web test files (Vitest)

117

API test files (pytest)

Stock Price Forecasting with LSTM

An LSTM model with attention that forecasts stock prices 1–30 days ahead, tested with walk-forward validation, with a Streamlit dashboard and Flask API.

Vehicle Detection with YOLO11

A YOLO11n object-detection model fine-tuned to spot buses, cars, and trucks in traffic photos.

0.603

Validation mAP50 (20 images)