Full-Stack Software Engineer | 5+ Years Experience | React, Node.js, PostgreSQL, AWS

Email: [email protected]
LinkedIn: linkedin.com/in/hadi-khan-55b575147
GitHub: github.com/hadikhanhk786
Portfolio: hadikhanhk786.github.io/hadi-portfolio

Full-Stack Software Engineer with 5+ years of experience designing and delivering scalable applications using React, Node.js, PostgreSQL, and AWS.
Skilled in building high-performance APIs, subscription/payment systems, and microservices architectures.
Proven expertise in performance tuning, role-based access control, and LLM/AI integration (ChatGPT APIs, prompt-to-SQL automation).
Adept at cross-functional collaboration, mentoring, and driving products from concept to production.

Languages: Python, TypeScript, JavaScript (Node.js), SQL
Frontend: React.js (Redux, Context API), TailwindCSS, HTML5, CSS3, Jest, React Testing Library
Backend: Node.js, Express.js, Socket.IO, REST APIs, Microservices
Databases: PostgreSQL, MySQL
Cloud/DevOps: AWS Lambda, API Gateway, S3, Docker, CI/CD
Concepts: System Design, Scalability, Reliability, Agile, TDD

B.Tech, Information Technology
Shri Ramswaroop Memorial College of Engineering, Lucknow — 2020

• Stripe Payment Gateway Integration: Implemented subscription-based billing, secure checkout, and scalable payment architecture.
• Role-Based Access Control (RBAC): Ensured feature access aligns with subscription plans, improving security and UX.
• Application Performance Optimization: Optimized database queries, scaled backend, and enhanced frontend efficiency with memoization and code-splitting.
• LLM/AI Integration: Integrated ChatGPT APIs for ticket description generation and Pydantic AI for SQL query and data visualization assistance.

LinkedIn | Portfolio | GitHub