Rayhan

CTO at Graphland

I build software that solves real business problems.

From idea to production, I design and ship systems that are scalable, reliable, and built to last.

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What I Do

I work with companies to turn ideas into production-ready systems.

Together with my team, we:

• Build scalable SaaS platforms
• Design clean, maintainable architectures
• Develop fast and reliable user interfaces
• Create robust APIs and backend systems
• Ensure performance and long-term stability

I focus on outcomes, not just code.

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How I Work

Clear thinking, solid execution.

• System-first approach
• Built for real usage, not demos
• Maintainability from day one
• Fast iteration with structure

I lead the architecture and direction, while my team ensures consistent delivery.

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Tech Stack

{
  frontend: ["Nextjs", "Nuxtjs", "React", "Vue", "Svelte"],
  mobile: ["React Native", "Flutter"],
  backend: ["Nestjs", "Express", "Apollo Server", "Laravel", "Django", "Flask"],
  databases: ["Postgres", "MongoDB", "MySQL", "Redis"],
  orm: ["Prisma", "Mongoose", "TypeORM", "Knex"],
  languages: ["TypeScript", "JavaScript", "Python", "PHP", "Java"],
  ui: ["Tailwind", "Material UI", "Styled Components"]
}

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Experiments

Where we test ideas and push boundaries:

• microservices and queues
• real-time systems
• authentication and OAuth
• cloud and infrastructure

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~/kingrayhan/.stacks

{
  "frontend"   : ["Nextjs", "Nuxtjs", "React", "Gatsby", "Vue", "Svelte", ...more],
  "mobile-app" : ["React Native", "Flutter"]
  "backend"    : ["Apollo-server", "Nestjs", "Express", "Laravel", "Adonisjs", "Django", "Flask"],
  "cms"        : ["Ghost", "WordPress", "Drupal", "Prestashop", "Magento", "kirby", "Strapi", "Contentful", "Shopify", "Netlify-cms"],
  "dbms"       : ["Postgres", "MySQL", "Sqlite", "MongoDB","Redis", "Array 😂"],
  "dbms-orm"   : ["Prisma", "Mongoose", "Typegoose", "TypeORM", "Sequilize", "knex"]
  "languages"  : ["Dart", "Java", "Python", "Typescript", "Javascript", "php", "C", "C++", "Ada"],
  "ui"         : ["Material-ui", "Styled-components", "Tailwind.css", "Bulma" ...more]
}

~/kingrayhan/.openSource

{
   "sqlkit"              : "https://www.npmjs.com/package/sqlkit"
   "react-video-player"  : "https://www.npmjs.com/package/@graphland/react-video-player",
   "simple-solc"         : "https://www.npmjs.com/package/simple-solc",
   "reactjs-visibility"  : "https://www.npmjs.com/package/reactjs-visibility",
   "quick-crud"          : "https://github.com/graph-land/quick-crud",
   "graphql-placeholder" : "https://graphqlplaceholder.com",
   "bnnum"               : "https://www.npmjs.com/package/bnnum",
   "LineProgressbar"     : "https://kingrayhan.github.io/LineProgressbar/data-attrs-demo.html",
   "react-tabs"          : "https://www.npmjs.com/package/reactjs-tab",
   "gourl"               : "https://www.npmjs.com/package/gourl",
   "mini-php"            : "https://github.com/kingRayhan/mini-php"
}

~/kingrayhan/.CookBooks

• Mongodb

• sequelize

• Firebase Auth

• Firestore

  ~/kingrayhan/.poc

• https://github.com/kingRayhan/hyperdx-nestjs-poc

• https://github.com/kingRayhan/hyperdx-hono-poc

• https://github.com/kingRayhan/poc.rabbitmq.node

• https://github.com/kingRayhan/poc.nest-microservices-rabbitmq

• https://github.com/kingRayhan/poc.nestjs-bullmq-queue

• https://github.com/kingRayhan/poc.s3.nodejs

• https://github.com/kingRayhan/poc.mongoose-deep-population

• https://github.com/kingRayhan/poc.kinde-org-nextjs

• https://github.com/kingRayhan/poc.kinde-nextjs

• https://github.com/kingRayhan/poc.pusher-soketi-nextjs

• https://github.com/kingRayhan/poc.serverless-framework

• https://github.com/kingRayhan/poc.nestjs-defer

• https://github.com/kingRayhan/poc.express.jwt-refresh-token

• https://github.com/kingRayhan/poc.drizzle

readme: v0.6.16