ct255

Systems built to hold.

Software systems, embedded firmware, machine-learning infrastructure, and product engineering across backend services, interactive products, deployment tooling, and collaborative platforms.

Abstract cobalt and porcelain paper architecture created for Library Reserve
Library ReserveFull-stack owner
Independent project2024–2026

Library Reserve

A production-oriented study-room reservation platform built with a Go API, PostgreSQL and a Nuxt SSR frontend, covering secure sessions, live availability, administration and deployment operations.

  • Go
  • Gin
  • PostgreSQL
  • Nuxt
View case study

Selected work,
opened up.

Four projects across full-stack products, machine-learning systems, mobile software, and collaborative document infrastructure.

Abstract cobalt and porcelain paper architecture created for Library Reserve
Independent project2024–2026

Library Reserve

Full-stack owner

A production-oriented study-room reservation platform built with a Go API, PostgreSQL and a Nuxt SSR frontend, covering secure sessions, live availability, administration and deployment operations.

  • Protected concurrent reservations with PostgreSQL advisory locks, JWT sessions, CSRF validation, request rate limits and role-gated administration.
  • Delivered real-time reservation updates over SSE and controlled cache stampedes with singleflight-backed LRU caching.
  • Added automated tests, load testing, Excel exports, backups and multi-environment Docker Compose deployment.
  • Go
  • Gin
  • PostgreSQL
  • Nuxt
  • Vue
  • TypeScript
  • Bun
  • Docker
  • Nginx
  • k6
Source link not published
Abstract chartreuse lens and balanced paper forms created for YOLO Scale
Independent project2026

YOLO Scale

Full-stack ML systems owner

A Jetson-ready computer-vision system that combines camera capture, serial-scale readings, YOLO inference, result storage and an operator-facing review workflow.

  • Designed resilient camera and serial-device discovery, weight stability and recovery behavior.
  • Built model selection, capture and inference controls, diagnostics, review tooling and data exports.
  • Created a reproducible training pipeline from reviewed CVAT data through evaluation and deployment-ready model export.
  • Python
  • FastAPI
  • OpenCV
  • ONNX Runtime
  • TensorRT
  • Ultralytics
  • Vue
  • TypeScript
  • Docker
  • NVIDIA Jetson
Source link not published
Abstract coral and chartreuse paper ribbons created for FitMai
Team project2025–2026

FitMai

Backend, AI-service and mobile contributor

A collaborative fitness platform combining a Flutter client, Go APIs and an image-embedding service for workouts, nutrition and AI-assisted scanning.

  • Implemented backend workflows for authentication, scans, plans, sessions, nutrition and AI job control.
  • Built image and text embedding integration for equipment and food similarity workflows.
  • Contributed mobile authentication, routing and fitness experiences within a team-owned application.
  • Flutter
  • Dart
  • Go
  • PostgreSQL
  • Firebase
  • Python
  • BentoML
  • SigLIP2
  • pgvector
  • Docker
Source link not published
Abstract interlocking paper sheets created for an enterprise document platform
Team project2026

Enterprise Document Platform

Backend and frontend contributor

A collaborative document-management platform with workflow permissions, OCR and search, electronic forms, signing and storage integrations.

  • Contributed to permission-aware document and workflow behavior across backend and frontend codebases.
  • Worked on signing and preview flows, metadata and classification APIs, and action gating.
  • Improved local development, storage integration and operational reliability within a larger team product.
  • Go
  • Echo
  • PostgreSQL
  • Next.js
  • React
  • TypeScript
  • Bun
  • OCR
  • ONNX Runtime
  • Docker
  • Playwright
Source link not published

More work,
same standard.

Tools, prototypes, educational products, and focused systems that extend the portfolio beyond the four case studies.

  1. Mind Care for PTSD

    2025–2026

    A Thai-localized mental-health education and self-check experience with guarded assessments, supportive resources, adaptive media and report export.

    • Nuxt
    • Vue
    • TypeScript
    • PrimeVue
    • Tailwind
    Full-stack owner

  2. LLM Info Extractor

    2026

    A staged document-processing workflow that moves from OCR and cleaning through structured extraction, spreadsheet generation and verification.

    • Python
    • Gradio
    • OpenAI-compatible APIs
    • PyMuPDF
    • Pillow
    Owner

  3. The Historical Court

    2026

    A bounded multi-agent research workflow where opposing historical researchers gather evidence and an impartial judge guides the process toward a balanced verdict.

    • Python
    • Google ADK
    • Gemini
    • LangChain
    • Wikipedia
    OwnerSource ↗

  4. Copy With Path

    2025

    A VS Code extension that copies selected files or folders with workspace-relative path headers while respecting ignore rules and removing duplicates.

    • TypeScript
    • VS Code Extension API
    • Node.js
    Extension author and maintainer

  5. XWORDEL

    2024

    A document-to-crossword learning app that turns uploaded PDFs and text into playable sessions through document extraction, NLP normalization and bilingual clue lookup.

    • Python
    • Django
    • HTMX
    • JavaScript
    • spaCy
    Full-stack developer

  6. Happy Tree Minder

    2025

    A dual-MCU soil-monitoring system that separates real-time sensing and control on an STM32F411RE from network telemetry through an ESP32 gateway.

    • C
    • STM32F411RE
    • Cortex-M4
    • STMicroelectronics
    • ESP32
    Embedded systems developer

  7. Kibo Robot Programming Challenge 2024

    2024

    A team robotics challenge using Java and OpenCV to control NASA's Astrobee simulator, recognize mission targets and coordinate vision work with navigation logic.

    • Java
    • OpenCV
    • ArUco
    • Astrobee
    • Android Studio
    Vision module contributorOfficial result ↗

  8. Concert Booking Automation

    2023

    An educational browser-automation study that navigated a dynamic ticketing flow, interpreted live seat availability and selected valid adjoining seats.

    • Python
    • Selenium
    • Regex
    • DOM parsing
    • Browser automation
    Automation developer

  9. Browser Capture Pipeline

    2025–2026

    A robust browser-extension capture system for dynamic educational pages, combining DOM reconciliation, screenshot stitching, sanitization, native messaging and streaming model UX.

    • JavaScript
    • Chrome MV3
    • Webpack
    • Bun
    • Python
    Owner

  10. EN Walkaround

    2026

    An AI-assisted campus wayfinding prototype with semantic room lookup, live interaction, clarification and multi-floor route visualization.

    • Nuxt
    • Vue
    • TypeScript
    • Bun
    • Leaflet
    Owner

  11. Flutter Labs

    2025–2026

    A progressive set of Flutter applications exploring responsive UI, state, navigation, persistence, APIs and Firebase-backed data.

    • Flutter
    • Dart
    • Provider
    • SharedPreferences
    • Firebase
    Student developer

The working stack.

Frameworks, languages, data systems, and deployment tools used across the portfolio.

Interface

  • Nuxt
  • Vue
  • React
  • Next.js
  • TypeScript
  • Tailwind
  • Flutter
  • Django
  • HTMX

Systems

  • Go
  • Python
  • Bun
  • Node.js
  • FastAPI
  • C
  • Cortex-M4
  • STMicroelectronics
  • ESP32
  • Java
  • MQTT

Data & AI

  • PostgreSQL
  • Firebase
  • OpenCV

Delivery

  • Docker
  • Nginx
  • RailwayApplication hosting
  • HetznerCloud servers
  • CloudflareDomains, DNS and Tunnel

Across boundaries,
the work still has to hold.

ct255 works across backend services, frontend products, embedded firmware, machine-learning pipelines, deployment tooling, mobile interfaces, and collaborative platforms.

The common thread is durable behavior: trace failure paths, define clear sources of truth, and ship dependable products.

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