Ahmed Riyaz

// ABOUT

Ahmed Riyaz (Arz)

FOUNDER & FULL-STACK / AI SYSTEMS ENGINEER

Also known online as Rijuyan Ahmed.

Ahmed Riyaz (Arz) is a full-stack developer and founder of Rareware Studio in Sylhet, Bangladesh, who builds dev tools and API integrations for other developers. His flagship tool, ReadyPI, is an OpenAI-compatible gateway that gives developers one API across 150+ language models with local-currency billing.

Ahmed Riyaz is a full-stack engineer and founder based in Sylhet, Bangladesh, working remote-first with clients worldwide. He founded Rareware Studio in 2023, a creative technology studio that designs and ships production software: web platforms, e-commerce systems and AI-native products.

His work spans the whole stack — Next.js, React and TypeScript on the front end, Node.js and Python services behind them, and LLM workflows wired into both. He built ReadyPI, an OpenAI-compatible gateway that gives developers one API across 150+ models with local-currency billing, and has shipped Shopify Hydrogen storefronts, legal and hospitality platforms, and motion-heavy brand sites.

Before founding Rareware he worked independently from 2022, building conversion-focused product sites and design systems for international clients. He is a 2024 graduate of Outskill's Generative AI Mastermind.

// ELSEWHERE

// EXPERIENCE

Founder & CEO

Rareware StudioCURRENT

2023 — Present · Sylhet, Bangladesh · Remote-first

  • Founded and scaled a creative technology studio delivering full-stack product design, brand systems and AI-native digital experiences for international clients.
  • Integrated generative AI workflows into production design and engineering practice.
  • Directed identity systems, motion assets and interactive UI architecture across e-commerce, SaaS and hospitality engagements.
  • Shipped rarewarestudio.space as a bespoke studio platform communicating both technical rigour and creative direction.

Independent Web Designer & Developer

Independent

2022 — 2023 · Remote · Global clients

  • Designed and shipped bespoke websites for clients across several markets.
  • Built conversion-focused SaaS and product marketing pages.
  • Created reusable component libraries and design systems in Figma.
  • Led remote collaboration with international clients through structured async workflows.

// CERTIFICATION

Generative AI Mastermind

Outskill · 2024

Prompt architecture · LLM workflows · AI-native product design

// FREQUENTLY ASKED

Who is Ahmed Riyaz (Arz)?

Ahmed Riyaz, known as Arz, is a full-stack engineer and the founder of Rareware Studio, a creative technology studio based in Sylhet, Bangladesh, working remote-first with clients worldwide. He builds production web platforms, e-commerce systems and AI-native products, plus developer tools and API integrations such as ReadyPI. He is also known online as Rijuyan Ahmed.

What does Ahmed Riyaz build?

He builds end-to-end digital products: Next.js and TypeScript web platforms, Shopify Hydrogen storefronts, and AI systems including ReadyPI — an OpenAI-compatible gateway giving developers a single API across more than 150 language models. His work covers design, engineering and deployment as one engagement rather than separate handoffs.

How do I hire Ahmed Riyaz?

Start at the project intake form at /start, which collects your project type, budget and timeline and sends it straight to him on WhatsApp or by email. You can also reach him directly at ahmed@rarewarestudio.space. He typically replies within one business day.

Where is Ahmed Riyaz based?

He is based in Sylhet, Bangladesh, and works remote-first with clients internationally across Europe, the UK and North America.

What technologies does Ahmed Riyaz work with?

Next.js, React and TypeScript on the front end; Node.js and Python services behind them; Shopify Hydrogen for commerce; and LLM tooling including model gateways, retrieval pipelines and agent workflows. He also does motion work with GSAP and Framer Motion, and 3D with Three.js.

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