Muhammad Hassaan

Senior Full-Stack Engineer

contact@iamhassaan.com • iamhassaan.com • linkedin.com/in/i-am-hassaan • Lahore, Pakistan

Professional Summary

Senior Full-Stack Engineer with 5+ years architecting healthcare platforms and leading technical strategy across multiple product lines. Expert in HIPAA-compliant architecture, B2B SaaS marketplace design, and AI/LLM integration. Scaled platforms to 10K+ users, defined engineering standards across 3 teams, and mentored 4 senior engineers to tech lead roles. Top-rated consultant on Upwork with 100% Job Success Score.

Work Experience

Senior Full-Stack Engineer
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Upwork / Freelance • Remote
  • Advise healthcare startups on HIPAA-compliant architecture and AI/LLM integration strategy (GPT-4o, Claude, Gemini) for regulated products.
  • Delivered 50+ successful engagements for global clients across healthcare, e-commerce, and social sectors with 100% satisfaction.
Senior Full-Stack Engineer
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XYTech • Remote
  • Architected AireHealth, a B2B SaaS marketplace for 10K+ dermatology professionals with HIPAA-aligned data architecture and audit logging.
  • Scaled team from 3 to 12 engineers while maintaining velocity; spearheaded AI/LLM integration into clinical workflows, improving provider efficiency by 40%.
Senior Software Engineer & Team Lead
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Axis Coding Solutions • Lahore, Pakistan
  • Led technical direction for 8+ engineers across healthcare products; architected LegendEHR (US HIPAA-compliant EHR) with role-based access controls and audit trails.
  • Defined frontend standards (Next.js, TypeScript) adopted across 3 teams; mentored 4 senior engineers, with 3 promoted to tech lead within 12 months. Established HIPAA compliance checklist and AI/LLM patterns reducing implementation time from 3 weeks to 3 days.
Full Stack Developer
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Axis Coding Solutions • Lahore, Pakistan
  • Progressed to technical lead through healthcare product ownership; built mobile health apps (React Native), optimized MongoDB schemas reducing API response times by 60%, and drove CI/CD adoption from bi-weekly to daily deployments.

Technical Skills

Architecture & Compliance: System design, microservices, HIPAA compliance, PHI protection, audit logging, access controls

AI/LLM: OpenAI API, GPT-4o, Claude, Gemini, LangChain, secure AI pipelines, prompt engineering

Full-Stack: React.js, Next.js, TypeScript, Node.js, Express.js, NestJS, Python, React Native, Expo

Data & Cloud: MongoDB, PostgreSQL, Redis, Firebase, AWS, Docker, CI/CD, Vercel

Education

Bachelor of Science in Computer Science (BSCS)
2019 – 2023
Government College University, Faisalabad, Pakistan