Affaan Khan

Backend-focused Full Stack Engineer with 5+ years of experience designing, developing, and scaling fintech and healthcare applications using Node.js, React.js, TypeScript, SQL, and AWS. Experienced in building RESTful APIs, optimizing backend performance, deploying production systems on Linux servers, and delivering business-critical applications end-to-end. Proven track record of improving system efficiency, reducing infrastructure costs, and accelerating product delivery in agile environments.

Full-Stack Developer at Motilal Oswal Financial Services (2022-09 – Present)

• Designed and scaled internal account management systems used in financial operations, improving maintainability and reducing development effort for new feature delivery by 50%
• Optimized complex SQL queries using indexing, execution tuning, and temporary tables, reducing data retrieval latency by 30%
• Built and maintained backend services and APIs supporting critical business workflows in a high-availability enterprise environment
• Collaborated with business stakeholders, QA teams, and developers to deliver production-ready features in agile sprints
• Mentored junior developers and improved team delivery efficiency by 20%
• Integrated AI-assisted engineering tools including GitHub Copilot and Amazon Q to improve development productivity and reduce repetitive implementation effort

Full-Stack Developer at MediLearn India (2021-01 – 2022-09)

• Developed and deployed scalable full-stack healthcare applications using Node.js, Next.js, React.js, and Express.js
• Designed and implemented RESTful APIs and backend services deployed on Linux VPS infrastructure using PM2 and Nginx
• Built an internal Progressive Web App (PWA) for task management and attendance tracking, improving operational productivity
• Implemented end-to-end testing workflows using Cypress, significantly reducing regression issues during releases
• Led deployment and release activities, improving release frequency and engineering efficiency
• Reduced infrastructure costs by ₹12K/month by migrating applications from managed hosting to self-hosted VPS infrastructure

Software Developer Consultant at SNEHA (2017-10 – 2018-09)

• Developed internal web and desktop applications to automate operational workflows and reporting processes, saved 8+ man hours/month
• Built centralized task tracking and reporting systems, improving operational efficiency by 50%
• Optimized SQL reporting queries to improve performance and reporting reliability
• Collaborated with operational teams to digitize manual workflows and improve data accessibility

Pursued MCA at V.E.S.I.T. (2018-10 – 2021-01)

Full time masters program in Masters in Computer Application

Masters in Computer Application in Computer Application – VESIT, Mumbai University (2018-10 – 2021-04)

B.Sc. in Information Technology in Information Technology – Vidyalankar School of Information Technology (2017-04)