I build full-stack applications, automation systems, and AI-powered tools that solve real problems — fast delivery, clean code, reliable results.
// full-stack engineer — automation & AI-focused
A selection of things I've shipped — client sites, personal tools, and production apps.
Android Music Streaming App
Ad-free, algorithm-free Android music app that streams directly from YouTube without a backend. Features offline downloads, cross-device sync, an AI companion (Lyra), audio-reactive UI, and an in-app auto-update system distributed via Supabase Storage — no app store required.
Lead Generation Website
High-conversion lead generation site for a South African pest control company. Built with Astro for static performance, multi-city service pages for geographic SEO coverage, JSON-LD schema markup, Google Analytics integration, and Netlify Forms for quote capture.
Terminal Coding Agent
Minimal Python CLI agent that uses OpenRouter to autonomously read, edit, and execute code with safety confirmation gates. Features a budget-auto mode that routes tasks to the cheapest suitable LLM tier by complexity, a modular tool registry, and full diff transparency — three runtime dependencies total.
Multi-Tenant SaaS with Custom Subdomains
Full-stack identity and link-in-bio platform issuing a unique subdomain per user, with drag-to-reorder link management, custom profile theming, and built-in analytics. Self-hosted PocketBase backend for auth and data, Upstash Redis for distributed rate limiting across serverless instances, and Zod-validated APIs throughout.
Secure Gateway for the OpenAI Assistants API
Serverless proxy sitting in front of the OpenAI Assistants API that keeps API keys off client sites and enforces per-client rate limits. Serves multiple production clients from a single Vercel deployment with zero server management.
Agency Client Portal
Client-facing SaaS portal for Hikari Labs built with Next.js and Supabase — authentication, project dashboards, and data workflows for agency clients in one place.
Self-Destructing Encrypted Messages
Share a secret via a link that self-destructs after one read. Messages are encrypted client-side with AES-256-GCM before they ever reach the server — the decryption key lives only in the URL fragment, so the server never sees plaintext or the key.
QR Codes with Link Shortening & Analytics
QR code generator with built-in URL shortening and scan analytics — vanilla JS frontend backed by an Express/SQLite API, deployed on Vercel with CI via GitHub Actions.
Scroll-Driven 3D Web Experience
Interactive 3D site built with Three.js and GSAP, where scroll position drives camera movement and scene animation through a WebGL environment — a creative-coding piece built to explore motion and spatial storytelling on the web.
Where I focus my depth. Each area reflects real-world problem-solving, not just tool familiarity.
End-to-end applications across web and mobile — from Kotlin/Compose Android apps to Next.js and Astro sites — with typed APIs, clean architecture, and production-grade data layers.
Node.js workflows and schedulers that cut manual work, reduce errors, and connect services together. From webhook orchestration to scheduled data pipelines.
Modern, responsive sites built with Astro and Next.js. Clean design, fast performance, SEO done right, and static hosting that just works.
LLM-powered tools and agents — autonomous coding agents with cost-aware model routing, and AI features embedded directly into production apps — built with safety and tool-execution guardrails.
Embedded assistants for sites that answer questions, route support, and boost engagement — tailored to your content and 24/7 available.
Custom tooling, knowledge management systems, and automation frameworks that eliminate repetitive cognitive load for individuals and small teams.
My working toolkit — organized by domain, not preference.
A simple loop that keeps projects grounded and moving forward.
Deep discovery to map the real problem, not just the stated one. Requirements, constraints, edge cases, and the context that shapes everything.
Design the system before writing a line. Data flow, service boundaries, failure modes, and scaling considerations — before they become expensive to change.
Clean, maintainable implementation with early feedback loops. Iterative development with working software at every checkpoint, not a big reveal at the end.
Production deployment with monitoring. Continuous improvement driven by real usage patterns, not assumptions made at the whiteboard.
I build full-stack applications, automation systems, and AI-powered tools that solve real problems. With Python, TypeScript, and a systems-engineering mindset, I focus on fast delivery, clean design, and reliable results.
I run Hikari Labs — a small studio delivering automation workflows, community tooling, and security-aware web builds. Every project ships with clean code, documented handoffs, and long-term maintainability in mind.
When I'm not building, I'm exploring new tooling, contributing to side projects, or deep in technical communities helping someone debug their stack.
Where I've put this to work.
Louw Cooper Rasool
Freelance engineer for a Cape Town accounting and tax firm, building their public site, an internal CRM, and AI-powered workflow tooling.
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I'm open to consulting, collaboration, and technical roles that are genuinely interesting. No need to pitch — just reach out.