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Harith Tarmizi

Software Engineer · AI Agent Builder · Founder

By day, I’m a full-time software engineer. Nights and weekends, I freelance, building AI agents, apps, and sites that ship. HS Studio opens soon.

See my workView services
4+Years
10+Shipped
3Clients
KLKuala Lumpur

Services

What I take on freelance.

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AI agents & automation

You want an agent handling a real task end to end

Agents that do a real job end to end: tools, memory, guardrails, evals.

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Web & mobile app development

You need a real app or platform built, not just a template

Production web and mobile apps, from first screen to shipped and maintained.

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Landing pages for business

You need one page that converts, fast

Fast, focused pages built to convert, for launches, campaigns, or a business's first site.

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Selected work

Things I built and who they were for.

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Dunder Mifflin screenshot

Agent · In progress

Dunder Mifflin

A situation room for tracking multiple AI agents at once: what each one is doing, what it's waiting on, where it needs a human.

Next.jsTypeScriptTailwindAI Agents
Arsenal Malaysia screenshot

Web apps · 2026

Arsenal Malaysia

Website and member-facing web apps for the club's official Malaysian supporters community.

Next.jsTailwindNestJS
Propel screenshot

Agent · In progress

Propel

An AI agent that turns business opportunities into proposal-ready solutions.

Next.jsGoogle ADKPython

More work

Wedding Hub
Web apps · in progress
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Fastiq
Mobile apps · in progress
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Tacob's Barbershop
Landing page
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Experience

Where I’ve worked, and what I focused on.

Oct 2022 - Present
Kuala Lumpur, MY
AirAsia
Senior Software EngineerApr 2025 - Present
Software Engineer IIApr 2024 - Apr 2025
Software Engineer IOct 2022 - Apr 2024

Working on AirAsia's internal LMS with the platform team, plus a stint as Acting Technology Lead from January to May 2026.

→Built and maintained AirAsia's internal LMS, including a white-labeled version for external partners.
→Led end-to-end development of a community platform with real-time commenting.
→Worked across the full stack: frontend, backend, and deployment infrastructure.
→Solved complex issues affecting system data integrity.
Next.jsExpressGCP
Nov 2021 - Jun 2022
Part-time, while at university
Clazzy
Junior Product Manager, Software Developer

Shipped to production before graduating.

→Launched and managed the Clazzy Academy campaign through a new format iteration.
→Led the team pitch at Youth Co:Lab Malaysia's 2021 startup competition.
→Built web and mobile features with React and Flutter alongside a cross-functional team.
ReactFlutterProduct

Stack

Technologies I use to build and ship.

harith · ~/stack
$cat ./stack.json
AI & agents
HermesOpenClawOllaman8nMCPTelegram BotsWorkflow AutomationAgentic Tools
Backend
NodeRESTPostgresMySQLRedisExpressNestJSSupabase
Frontend
Next.jsReactTypeScriptTailwindshadcn/ui
Infra
DockerCI/CDAWSVercelGCPRailway

Credentials

Certifications I’ve earned, official and verifiable.

Cloud Digital Leader
Cloud Digital Leader
Generative AI Leader
Generative AI Leader
Associate Cloud Engineer
Associate Cloud Engineer
Blockchain Certified Associate Developer
Blockchain Certified Associate Developer
Professional Cloud Architect
In progress

Notes

Writing on how I build, ship, and run things.

View all notes →

essay

How I build with agents

Spec to ship: the loop, the harness, what broke.

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Adapting to an AI-native SDLC
essay
Running a studio on nights and weekends
essay
The Claude Code habit that stuck
note
First invoice, first freelance client
note
A morning routine that actually survived a day job
note

Let’s build something.

Open to interesting problems and a good conversation. Fastest way to reach me is email.

LinkedIn ↗
GitHub
HS Studio — opening soon
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