Senior Full-Stack Engineer
I build scalable
systems.
Jatinder Kumar — designing and delivering full-stack solutions that scale.
Experience
Feb-2025 — Present
Delivering full-stack web development solutions for multiple clients across e-commerce, Fintech, and SaaS domains using Angular, Node.js, Nest JS, and TypeScript. Responsible for end-to-end project ownership, client communication, and technical architecture. Successfully launched 5+ projects with high client satisfaction, including a real-time analytics dashboard and a serverless e-commerce platform. Continuously learning and applying new technologies to meet evolving client needs.
Dec-2021 — Dec-2024
Leading development of enterprise payment processing platform handling $2B+ in annual transactions. Architected microservices migration reducing deployment time by 70% and improving system reliability to 99.99% uptime. Mentored team of 6 engineers and established DevOps practices.
Jun-2021 — Nov-2021
Built real-time analytics platform serving 50K+ daily active users. Designed and implemented WebSocket infrastructure for live data streaming and developed complex data visualization components. Led migration from monolith to microservices architecture.
Oct-2018 — May-2021
Developed and maintained multiple client websites and applications using Ember.js, Angular, PHP, and MySQL. Implemented new features, fixed bugs, and optimized performance. Collaborated with cross-functional teams to deliver high-quality solutions on time. Build a Hybrid Mobile Application using Cordova and Ember.js for a retail client, resulting in a 30% increase in customer engagement.
Featured Projects
Enterprise-grade payment processing platform handling millions of transactions daily. Built scalable microservices architecture with real-time fraud detection, PCI compliance, and multi-tenant support. Reduced payment failures by 40% through intelligent retry mechanisms.
First Aid Bristol is a comprehensive training and course management platform designed to deliver accredited first aid courses for individuals, businesses, and organizations. The platform enables users to browse, book, and complete various training programs such as workplace first aid, paediatric care, and outdoor emergency response. It features an intuitive course catalog, secure payment processing, and a user-friendly dashboard for managing bookings and certifications. The platform also includes interactive learning modules, progress tracking, and automated reminders to ensure users stay on top of their training requirements.
Freelance project: Developed and maintained a modern e-commerce platform using Angular. Implemented new features including advanced product filtering, real-time inventory management, and checkout optimization. Fixed critical bugs and improved platform performance by 45%.
About
I build scalable, resilient systems that handle millions of users.
Senior full-stack engineer with 7+ years of experience architecting and delivering high-performance applications. I've led teams through complex migrations, built real-time systems processing millions of events daily, and established DevOps practices that ensure 99.99% uptime. Passionate about clean code, system reliability, and mentoring the next generation of engineers.
Skills
Backend
Frontend
DevOps
Let Me Know You Better
— let's build something extraordinary together —
Contact
Open to senior engineering roles and interesting contract work. Prefer a direct email — I respond within 24 hours.