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Tahmid Bin Taslim Rafi, Senior Software Engineer & Solutions Architect in Bangkok

Senior Software Engineer & Solutions Architect in Bangkok. I build scalable AI, web and SaaS platforms that drive measurable business impact.

Systems that carry the load.

Commerce, AI and national-scale platforms. Traced from idea to production.

Explore the work

Trust · Use · Collaborate

Trusted Collaborations

About

Building systems that scale.

5+

Years of experience

High-concurrency SaaS, distributed architectures, transaction-heavy platforms

20+

Enterprise projects

Complex solutions across multiple industries and sectors

99.9%

System uptime

Reliable architecture ensuring maximum availability

1M+

Users served

National-scale platforms serving millions concurrently

Story

Get to know Tahmid.

Six chapters: philosophy, focus, scale, leadership, credentials, writing. Tap a card to read the full story.

Experience

Seven roles. One trajectory.

Marion's Kitchen Group

Senior Software Developer

March 2024 - PresentBangkok, Thailand

Leading full-stack Shopify Headless development with Remix, Node.js, TypeScript, and Rust. Pioneered Shopify app development, optimized e-commerce pipelines for a ~40% sales increase, architected internal SaaS solutions, and built scalable Klaviyo integration APIs for advanced marketing automation.

  • ~40% sales increase
  • Internal SaaS architecture
  • Klaviyo API integration
  • Remix
  • Node.js
  • TypeScript
  • Rust
  • Shopify
  • Klaviyo
Trienpont International

Senior Software Developer

May 2023 - February 2024Bangkok, Thailand

Led Full Stack Development team for real estate project, architecting robust Node.js APIs and Next.js/React front-ends. Optimized cloud deployments for enhanced performance, developed custom WordPress APIs/plugins, contributed to Ruby on Rails projects, and implemented comprehensive CI/CD workflows.

  • Led Full Stack team
  • Cloud optimization
  • CI/CD implementation
  • Node.js
  • Next.js
  • React
  • Ruby on Rails
  • WordPress
  • CI/CD
Relevant Audience

Full Stack Developer

November 2021 - May 2023Bangkok, Thailand

Directed technical team on high-impact projects. Engineered complex TCAS System using Node.js, TypeScript, Vue.js, TypeORM, Redis, MongoDB, AWS. Built custom e-commerce on WordPress/Shopify, developed AI-driven SEO tools in Python, and integrated enterprise solutions (Cal.com, Chatwoot, Outline).

  • TCAS System architecture
  • AI-driven SEO tools
  • Enterprise integrations
  • Vue.js
  • TypeScript
  • TypeORM
  • Redis
  • MongoDB
  • AWS
  • Python
INFINITE AGENCY BKK

Full Stack Developer

June 2021 - September 2021Bangkok, Thailand

Drove 20% sales increase through e-commerce pipeline optimization on Shopify. Developed custom themes, executed comprehensive architectural revamp of Bettr Men's Facial Care website, and managed full website architecture for various e-commerce projects.

  • 20% sales increase
  • Bettr website revamp
  • Custom theme development
  • Shopify
  • JavaScript
  • CSS
  • E-commerce
Adaptivity

Full Stack Developer

April 2021 - September 2021Bangkok, Thailand

Led strategic redesign of Adaptivity's brand website, revitalized WordPress theme. Developed custom chat application using OpenAI API and Python, integrated GPT-3/GPT-3.5 models into internal systems, and implemented comprehensive performance improvements.

  • GPT chat application
  • Website redesign
  • OpenAI integration
  • OpenAI
  • Python
  • GPT-3
  • WordPress
Scalia Ventures

Software Developer

September 2020 - June 2021Bangkok, Thailand

Successfully delivered 20+ custom web development projects for leading conglomerate agency. Demonstrated expertise in WordPress, Shopify, and custom solutions across restaurants, real estate, fashion, finance, and trading sectors.

  • 20+ projects delivered
  • Multi-sector expertise
  • Custom solutions
  • WordPress
  • Shopify
  • HTML
  • CSS
  • JavaScript
Stamford International University

B.S. Information Technology

2018 - 2022Bangkok, Thailand

Data Science specialization covering machine learning, predictive statistics, and big data. Served as Academic Coach & Systems Administrator.

  • Data Science specialization
  • Academic Coach & Systems Administrator
  • ML & predictive statistics coursework
  • Machine Learning
  • Statistics
  • Big Data

Toolbox

Depth across the stack.

JavaScriptPHPRuby
TypeScriptRustSQL
PythonGo

Languages

Typed-first, polyglot when the boundary calls for it.

React

+ Vue.js

Next.js

+ Angular

Remix

+ Astro

Frontend

Component systems, islands and storefront UIs.
Node.js
Express.js
NestJS
GraphQL
Django
Flask

Backend

APIs and services that hold their latency budgets.
PostgreSQLMongoDBMySQLRedis
PrismaTypeORMFirebase

Data & Caching

The write path is a promise: idempotent and fast.
AWSDockerGitHub Actions
GCPKubernetesJenkins
AzureTerraform

Cloud & DevOps

Infra as cattle: ECS/EKS, pipelines, observability.
Shopify PlusHeadless CommerceWordPress
KlaviyoStripe

E-commerce

Headless storefronts measured in conversion.
OpenAI APIsRAG PipelinesLLM AgentsHugging FaceTensorFlowPyTorchPrompt Engineering

AI / ML

RAG, agents and LLM APIs in production, not demos.
System DesignPlaywright E2E
MicroservicesEngineering Playbooks
CI/CDTechnical Mentorship

Practices

Playbooks and tests that make teams faster.

Selected Work

Evidence, not claims.

  1. Leading the development of a full-stack Shopify Headless e-commerce platform built with React, Remix, Node.js, TypeScript, Tailwind CSS and Alpine.js. Pioneered Rust-based Shopify apps to handle microservices and internal webhooks, driving significant performance and conversion improvements.

    Marion's Kitchen Group · 2025 · React / Remix / Node.js

  2. A complete ecommerce revamp for cookdinehost.com, rebuilding the storefront and checkout experience with modern headless commerce architecture, custom Shopify integrations, and performance-focused frontend engineering.

    Marion's Kitchen Group · 2024 · React / Remix / Node.js

  3. Corporate website for Marion's Kitchen Group, showcasing the brand portfolio, company story, and omnichannel commerce presence.

    Marion's Kitchen Group · 2024 · HTML / CSS / JavaScript

  4. New Shopify theme curated for marionskitchen.com, built for performance, accessibility, and a premium editorial shopping experience.

    Marion's Kitchen Group · 2024 · Liquid / Shopify / JavaScript

  5. Brand website for MAKO Kitchenware, a Marion's Kitchen Group brand, featuring product storytelling and Shopify-powered ecommerce.

    Marion's Kitchen Group · 2024 · Liquid / Shopify / JavaScript

  6. Multi-region Shopify theme system powering Beyond stores across AU, CA, EU, and US markets with localized content and shared components.

    Marion's Kitchen Group · 2024 · Liquid / Shopify / JavaScript

  7. Engineered a complex TCAS (Thai University Central Admission System) using Node.js, TypeScript, Vue.js, TypeORM, Redis, MongoDB, and AWS for scalable and robust performance.

    Relevant Audience · 2022 · Node.js / TypeScript / Vue.js

  8. Using Algolia AI, React, Next.js, Node.js, GraphQL, REST API and Wordpress. While working on Trienpont, I managed a team and build this Full Stack Headless Application.

    Trienpont International · 2023 · React / Next.js / Node.js

  9. Developed Scholl Thailand Website while working at Relevant. Shopify Plus website with loads of API integration (python, php, ruby), CRM, Payment, Automation, Delivery & Tracking.

    Relevant Audience · 2022 · Shopify Plus / Python / PHP

  10. While working at Relevant Audience Co. Ltd, developed Plantoys Thailand's brand website. Made with Shopify, API integration to CRM, Payment, Automation, Delivery & Tracking.

    Relevant Audience · 2022 · Shopify / API Integration / CRM

  11. The brand website of Aroma Group, a leading company in Thailand. Developed while working at Relevant Audience Co. Ltd. Made with Wordpress, AlpineJS, and Tailwind CSS. Also made their HR system with React, Node.js, and MongoDB.

    Relevant Audience · 2022 · WordPress / React / Node.js

  12. Developed Chao Doi Website while working at Relevant. Headless wordpress website with loads of API integration, CRM, Payment, Automation, Delivery & Tracking.

    Relevant Audience · 2022 · WordPress / Headless CMS / API Integration

  13. While working at Relevant Audience Co. Ltd, Developed its brand website using latest UI/UX. Made with Twig, Php, Wordpress, AlpineJS, and Tailwind CSS.

    Relevant Audience · 2022 · WordPress / PHP / AlpineJS

  14. Complete architectural revamp of Bettr's e-commerce website while at INFINITE AGENCY BKK. Developed custom Shopify theme and drove 20% sales increase through optimization.

    INFINITE AGENCY BKK · 2021 · Shopify / Liquid / JavaScript

  15. Developed a custom chat application using OpenAI API and Python. Integrated GPT-3/GPT-3.5 models into internal systems for advanced conversational AI capabilities.

    Adaptivity · 2021 · Python / OpenAI API / GPT-3

  16. An idempotent, high-frequency payment-callback microservice for WooCommerce PromptPay payments, built to process concurrent gateway callbacks reliably without duplicate processing. Source is currently in a private repository.

    Personal Project · 2026 · Node.js / TypeScript / WooCommerce

  17. A curated collection of beautiful, accessible, and reusable UI components built with React, TypeScript, and Tailwind CSS, with live interactive previews and copy-paste ready code examples.

    Open Source · 2025 · React / TypeScript / Tailwind CSS

  18. A privacy-first AI chat tutor built with Next.js, TypeScript, and the Hugging Face API, offering multilingual (English and Bengali) educational assistance with voice interaction and grade-specific responses.

    Open Source · 2025 · Next.js / TypeScript / Hugging Face API

  19. A multi-tenant SaaS gateway that connects AI agents to Shopify merchants via the Universal Commerce Protocol (UCP) and Model Context Protocol (MCP), backed by Neon Postgres.

    Open Source · 2026 · TypeScript / Shopify / MCP

  20. MUI components, reimagined: a fully typed React component library offering seven design variants on top of the MUI ecosystem, published to npm as @smug-ui/react.

    Open Source · 2025 · React / TypeScript / Material UI

  21. A Bengali-first Ramadan planning and tracking web app built with Next.js 16, Supabase, and shadcn/ui, featuring a daily planner, prayer/sehri/iftar timings, reminders, and calendar sync.

    Personal Project · 2026 · Next.js / TypeScript / Supabase

  22. A Bengali-first study assistant for Bangladesh built with React Native across mobile, web, and desktop, using retrieval-augmented generation with Bengali prompts on a microservices backend.

    Personal Project · 2025 · React Native / TypeScript / AI

  23. An animated world clock and weather application built with React 19, TypeScript, and Tailwind CSS, featuring glassmorphism design, live OpenWeatherMap data, and weather-driven animations.

    Personal Project · 2025 · React / TypeScript / Vite

  24. A beginner-friendly computer science learning app built with Vite and vanilla JavaScript, offering interactive explanations of data structures, algorithms, memory, and operating-system fundamentals.

    Open Source · 2026 · JavaScript / Vite / CSS

Kind Words

What collaborators say.

Sarah Chen

CTO, TechVentures Inc

Recommendation

Michael Rodriguez

Product Manager, CloudScale Solutions

Recommendation

Emily Watson

Lead Designer, Creative Studios

Recommendation

David Park

Founder, StartupHub

Recommendation

James Anderson

CEO, E-commerce Plus

Recommendation

Robert Kim

CTO, FinTech Solutions

Recommendation

Lisa Thompson

VP of Engineering, DataFlow Systems

Recommendation

Maria Garcia

Head of Product, Innovate Labs

Recommendation

Sarah Chen, CTO, TechVentures Inc

Exceptional developer with deep expertise in full-stack development. Delivered our e-commerce platform ahead of schedule with outstanding quality. 

Contact

Let's build something that lasts.

Open to select projects & senior roles

Based in
Bangkok, Thailand (UTC+7)