muhaiman.dev
Muhaiman A.S.
Available for WorkFull-Stack · Data Systems · Applied AI

Software engineer building web applications, data pipelines, and AI systems ready for real-world traffic.

Experienced in taking products from a blank repo to stable deployment, setting up automated scraping pipelines, and building AI systems that go well beyond basic API prompts.

Selected Work

Production Projects & Client Systems

Real-world applications built under live constraints, ranging from full-stack SaaS and async AI engines to large-scale data systems.

Capabilities

Core Stack & Engineering Breadth

Frameworks, databases, and AI tooling I rely on to take applications from zero to stable production.

Frontier Tech

Applied AI & Agents

Building autonomous agent loops, deterministic workflows with structured outputs, and RAG pipelines.

OpenAI APIGemini APIOpen Source LLMsVercel AI SDKLangChainRAG / Embeddings+ more
Application Layer

Full-Stack Development

Developing clean REST APIs, server-side business logic, and type-safe user interfaces designed for production.

TypeScriptNext.jsFastAPIPythonNode.jsReact+ more
Data & Cloud

Databases & DevOps

Designing relational schemas, document stores, async queues, and containerized server deployments.

PostgreSQLNoSQLServerlessSupabaseDockerRedisLinux VPS+ more
Background Services

Web Automation & Scraping

Engineering resilient dynamic extractors, proxy-rotated crawlers, API interceptors, and cron workers.

PlaywrightBeautifulSoupCeleryAPI InterceptionScheduled Tasks+ more
Personal & Open Source

Independent Tools & Experiments

Side projects, open-source utilities, and software tools built to solve specific workflow frictions.

Open SourceWeb Application & Applied AI

VoiceLine — AI Voice-Note Workspace & Hybrid RAG Assistant

A voice-first workspace that transcribes audio, auto-generates structured summaries and tags, and indexes notes for an interactive RAG assistant using dense vector similarity (pgvector) and sparse keyword search fused with RRF.

Next.js 16React 19Vercel AI SDKpgvector / PostgreSQLDrizzle ORMHybrid RAG / RRF
Open SourceEditor & Tooling

Redline - Markdown Editor with Inline AI Diff Review

A distraction-free Markdown workspace with in-place AI writing assistance, visual inline diff reviews, and command-palette search. Features bidirectional Markdown sync, voice transcription, zero-config SQLite/PostgreSQL persistence, and offline demo simulation.

Next.jsTipTap / ProseMirrorDrizzle ORMSQLite / PostgreSQLVercel AI SDKFramer Motion
Get in Touch

Have a project in mind? Let’s talk.

I’m currently available for freelance engineering work, technical consulting, and full-stack or applied AI projects. Send a message and I’ll get back to you promptly.