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Hi, I’m Muhammad Haider Hamayoun. I’m a Senior Full-Stack AI Engineer with a track record of shipping production SaaS platforms and AI-powered applications for startups in the UK, UAE, and Pakistan. I specialize in Next.js, TypeScript, PostgreSQL, AI/LLM integrations, and modern SaaS architecture. I’m passionate about building scalable systems end-to-end and mentoring teams to deliver robust software that makes impact. Recently, I led GeneFuel as the sole engineer, delivering a clinical longevity platform with a 70-table database architecture, a hybrid RAG pipeline, wearable integrations, subscription billing, and multi-role healthcare workflows. I thrive across the product lifecycle—from system design and database architecture to deployment, monitoring, and production operations—and enjoy tackling complex data and AI challenges in healthcare and beyond.…Hi, I’m Muhammad Haider Hamayoun. I’m a Senior Full-Stack AI Engineer with a track record of shipping production SaaS platforms and AI-powered applications for startups in the UK, UAE, and Pakistan. I specialize in Next.js, TypeScript, PostgreSQL, AI/LLM integrations, and modern SaaS architecture. I’m passionate about building scalable systems end-to-end and mentoring teams to deliver robust software that makes impact. Recently, I led GeneFuel as the sole engineer, delivering a clinical longevity platform with a 70-table database architecture, a hybrid RAG pipeline, wearable integrations, subscription billing, and multi-role healthcare workflows. I thrive across the product lifecycle—from system design and database architecture to deployment, monitoring, and production operations—and enjoy tackling complex data and AI challenges in healthcare and beyond.

Muhammad Haider Hamayoun

Web Developer, Front-End Developer, Developer, +3

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Hi, I’m Muhammad Haider Hamayoun. I’m a Senior Full-Stack AI Engineer with a track record of shipping production SaaS platforms and AI-powered applications for startups in the UK, UAE, and Pakistan. I specialize in Next.js, TypeScript, PostgreSQL, AI/LLM integrations, and modern SaaS architecture. I’m passionate about building scalable systems end-to-end and mentoring teams to deliver robust software that makes impact. Recently, I led GeneFuel as the sole engineer, delivering a clinical longevity platform with a 70-table database architecture, a hybrid RAG pipeline, wearable integrations, subscription billing, and multi-role healthcare workflows. I thrive across the product lifecycle—from system design and database architecture to deployment, monitoring, and production operations—and enjoy tackling complex data and AI challenges in healthcare and beyond.…Hi, I’m Muhammad Haider Hamayoun. I’m a Senior Full-Stack AI Engineer with a track record of shipping production SaaS platforms and AI-powered applications for startups in the UK, UAE, and Pakistan. I specialize in Next.js, TypeScript, PostgreSQL, AI/LLM integrations, and modern SaaS architecture. I’m passionate about building scalable systems end-to-end and mentoring teams to deliver robust software that makes impact. Recently, I led GeneFuel as the sole engineer, delivering a clinical longevity platform with a 70-table database architecture, a hybrid RAG pipeline, wearable integrations, subscription billing, and multi-role healthcare workflows. I thrive across the product lifecycle—from system design and database architecture to deployment, monitoring, and production operations—and enjoy tackling complex data and AI challenges in healthcare and beyond.

Available to hire

Hi, I’m Muhammad Haider Hamayoun. I’m a Senior Full-Stack AI Engineer with a track record of shipping production SaaS platforms and AI-powered applications for startups in the UK, UAE, and Pakistan. I specialize in Next.js, TypeScript, PostgreSQL, AI/LLM integrations, and modern SaaS architecture. I’m passionate about building scalable systems end-to-end and mentoring teams to deliver robust software that makes impact.

Recently, I led GeneFuel as the sole engineer, delivering a clinical longevity platform with a 70-table database architecture, a hybrid RAG pipeline, wearable integrations, subscription billing, and multi-role healthcare workflows. I thrive across the product lifecycle—from system design and database architecture to deployment, monitoring, and production operations—and enjoy tackling complex data and AI challenges in healthcare and beyond.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Webflow Developer at Punch Group

February 28, 2025 - September 24, 2025

Developed complex Webflow sites with GSAP animations and custom code functionality. Established best practices for Webflow design and development within the team. Implemented advanced animations using GSAP and Lottie for enhanced user engagement.

Webflow Developer at Punch Group

February 1, 2025 - September 24, 2025

Senior Webflow Developer at Pure Elements Technologies

February 1, 2025 - Present

Led the development of high-performance websites using advanced Webflow frameworks (Finsweet, Lumos, Client-First). Optimized websites for SEO, conversion, and performance, achieving an average load speed of 2.5s. Mentored junior developers, providing code reviews, guidance, and technical training. Collaborated with clients to define project requirements, ensuring client satisfaction.

Senior Webflow Developer at Pure Elements Technologies

February 1, 2025 - Present

Senior Software Engineer at SiteGrowth

January 1, 2025 - Present

Sole engineer responsible for two production AI SaaS platforms serving healthcare and mental health markets. Designed and implemented a 70-table PostgreSQL schema with migration tooling and role-based access controls. Built a hybrid RAG pipeline using pgvector and PostgreSQL full-text search to power an AI health assistant. Implemented a PII-safe LLM processing layer for data tokenization and validation before OpenAI and Anthropic API requests. Integrated AWS Textract to automate biomarker data extraction from lab reports. Implemented wearable integrations with Oura, WHOOP, and Garmin. Developed Stripe-based subscriptions and billing workflows with webhooks and customer portal management. Created six role-based portals (clinician, member, supplier, administrator, technical support, and super-admin). Delivered 397+ production deployments via Vercel CI/CD. Built healthcare-focused Webflow marketing platforms for UK clients.

Webflow Developer and AI Chatbot Developer at Prime Start Capital

January 1, 2025 - Present

Built dynamic, conversion-focused landing pages, ensuring scalable Webflow CMS architecture. Integrated Webflow with Zapier for automated email sequences and CRM updates. Enhanced user experience through custom code solutions and performance optimization. Developed an advanced AI Therapist chatbot using Next.js and ChatGPT 4.0 API, providing personalized therapy sessions. Built the FlyTable website, a flight booking platform for Sri Lanka, using Next.js with interactive user features.

Webflow Developer and AI Chatbot Developer at Prime Start Capital

January 1, 2025 - Present

Webflow Developer at Pure Elements Technologies

February 1, 2024 - January 1, 2025

Built responsive Webflow websites for enterprise clients using Client-First architecture and Finsweet Attributes. Improved Core Web Vitals, SEO performance, accessibility, and conversion rates. Developed responsive email templates and marketing automation workflows. Contributed to backend development on a React and Node.js platform.

Webflow Developer at Punch Group

December 1, 2023 - February 1, 2024

Delivered custom Webflow websites with GSAP animations and interactive experiences. Established internal Webflow development standards and reusable workflows. Focused on performance optimization, accessibility, and responsive implementation.