# Warky Devs

> Expert software development by Hein Puth — 19+ years experience in PostgreSQL, Go, Rust, web, mobile, and AI integration. Founded 2021, based in South Africa, serving worldwide.

I'm Hein Puth, a full-stack developer and founder of Warky Devs. I specialise in database-driven applications, backend systems, and building tools that solve real problems with minimal complexity.

## Services

- **Database Administration**: Expert PostgreSQL DBA — managing 200GB+ databases with 1 billion+ rows, performance tuning, replication, migrations
- **Web & Mobile Development**: Full-stack apps in React, Svelte, Flutter, Go, Rust, TypeScript, Dart
- **AI Integration**: Building AI-powered features, MCP server development, and agentic workflows
- **Linux Administration**: LPIC-certified, deep Linux and server management expertise
- **Automation**: Intelligent workflow and process automation
- **API Development**: System integration, REST APIs, WebSockets, MQTT

## Products & Apps

- **AMCS** (Avalon Memory Control Service): MCP server for persistent AI agent memory — semantic search over thoughts via pgvector, projects, learnings, files, agent skills and guardrails, chat history. Single Go binary with embedded Svelte admin UI. Available at https://amcs.warky.dev — source at https://git.warky.dev/wdevs/amcs
- **WhatsHooked**: WhatsApp-to-webhook bridge. Connect WhatsApp Web or Business API to custom endpoints with real-time delivery, message cache, and replay. Available at https://whatshooked.warky.dev
- **Field Capture Client**: Offline-first Android app (Flutter) for field data capture — barcodes, QR codes, GPS, photos, audio, meter readings, custom forms. Data queued locally in SQLite and delivered to configurable JSON API or webhook backends with automatic retry. Support info at https://www.warky.dev/fcc-support
- **RelSpec**: Bidirectional database schema conversion, validation, and templating CLI (Go). Converts between GORM, Drizzle, Prisma, TypeORM, Bun, PostgreSQL, SQLite, DBML, GraphQL SDL, and more. Includes interactive TUI editor. Source at https://git.warky.dev/wdevs/relspecgo
- **Warky Devs Toolkit**: Android developer toolkit app with code snippets, utilities, and quick reference guides. Available on Google Play.

## Open Source Libraries & Tools

- **artemis-kit**: TypeScript/JavaScript utility library — string manipulation, file tools, queue processing, MIME validation. https://github.com/Warky-Devs/artemis-kit
- **ResolveSpec**: Go REST API framework with GraphQL-like field selection, relationship preloading, filtering, sorting, pagination. https://git.warky.dev/wdevs/ResolveSpec
- **oranguru**: Enhanced Mantine-based React component library with Zustand state management. https://git.warky.dev/wdevs/oranguru
- **zustandsyncstore**: React library for prop-synced Zustand stores. https://github.com/Warky-Devs/zustandsyncstore
- **pgsql-broker**: PostgreSQL LISTEN/NOTIFY event-driven job processing system. https://git.warky.dev/wdevs/pgsql-broker
- **WkMailSync**: IMAP mail synchronisation and backup (server-to-server or local EML export). https://github.com/Warky-Devs/WkMailSync
- **go-postgres-stat-alert**: PostgreSQL monitoring with multi-channel alerting (Email, Telegram, Discord, Teams, Webhooks). https://github.com/warkanum/go-postgres-stat-alert
- **monorepo-dep-checker**: CLI for detecting version mismatches across monorepo packages. https://git.warky.dev/wdevs/monorepo-dep-checker

## Technical Stack

- **Languages**: Go, Rust, TypeScript, JavaScript, Dart, C#, C++, Python 3, Lua
- **Frameworks**: React, Svelte, Next.js, Flutter, TanStack, Echo, Gin
- **Databases**: PostgreSQL (primary), SQLite, Redis
- **Infrastructure**: Linux, Docker, Apache, systemd, pgvector

## Site Pages

- [Home](https://www.warky.dev/): Overview and introduction
- [About](https://www.warky.dev/about): Background and detailed story
- [Services](https://www.warky.dev/services): Full list of services offered
- [Apps](https://www.warky.dev/apps): Products and applications overview
- [Software](https://www.warky.dev/software): Open source projects
- [FCC Support](https://www.warky.dev/fcc-support): Field Capture Client support and setup
- [Blog](https://www.warky.dev/blog): Technical articles and insights
- [Mission](https://www.warky.dev/mission): Philosophy and approach
- [Contact](https://www.warky.dev/contact): Get in touch

## Contact

- Email: hein@warky.info
- Phone: +27 87-265-3704
- Location: South Africa (serving worldwide)
- Response time: within 24 hours on business days; WhatsApp or Discord for urgent matters