I build backend systems and real-time applications with a focus on performance, scalability, and reliability. Experience working on production systems serving thousands of users.

Oct 2024 – Present

PACK (SaaS Platform) — Apr 2025 – Present

• Working on a cloud-based SaaS platform with full-stack responsibilities
• Building and optimizing APIs and frontend components for production use

Raumdeuter (Fan Engagement Platform) — Oct 2024 – Apr 2025

• Reduced dashboard latency from 6–8 seconds to sub-second using parallel API execution
• Designed survey and ranking systems handling large datasets with data integrity
• Refactored backend architecture, improving development speed and maintainability
• Built responsive frontend components with structured state management

Jun 2024 – Sep 2024

HealthSIA (Healthcare Platform)

• Implemented role-based access system supporting multiple user types
• Built real-time features including chat and scheduling
• Developed dynamic form system with conditional logic

Peepskill (Social Platform)

• Worked on a platform with 2,000+ users including feeds and real-time messaging
• Improved data loading performance significantly through schema optimization

Royal Vision Tourism (Booking Platform)

• Integrated payment workflows and pricing logic
• Built internal tools and admin modules

Next.js + MongoDB + Kubernetes microservices architecture with authentication, order management, and payment processing. Demonstrates event-driven design and service orchestration.

Full-stack fantasy football manager with MySQL + Sequelize backend, team management, transfer market, and responsive React UI. Shows database design and complex business logic.

Real-time chat application using WebSockets with persistent message history, room-based architecture, and Express backend.

Demonstrates automated deployment pipelines with GitHub Actions, Docker containerization, and AWS infrastructure setup.

Backend: Node.js, NestJS, Express Frontend: React, Next.js Databases: MySQL, PostgreSQL, MongoDB, Redis Real-time: WebSockets, Socket.io Infrastructure: Docker, AWS, CI/CD Languages: JavaScript, TypeScript, Python

Solved 500+ problems across data structures and algorithms. Focus on applying these concepts to real-world backend performance and system design.

AI-based document processing system using semantic search and LLMs.

LinkedIn: https://linkedin.com/in/sheryar-ahmed Portfolio: https://sheryarahmed.netlify.app Email: royalsheryar505@gmail.com