Ajay Singh
Senior Software Engineer & Systems Architect
I design, build, and scale resilient, high-performance systems for global-scale products. Focus on clean architecture, performance engineering, and cloud infrastructure.
// SELECTED WORKS
Selected Projects
FRONTEND ENGINEERING
Interactive React Application with PixiJS
FRONTEND ENGINEERING
Interactive React Application with PixiJS
Built a production-ready interactive React application using PixiJS as part of a 2-member engineering team. Delivered the entire feature set within one month while maintaining high performance and visual fidelity with Figma designs.
TEST AUTOMATION
Automation Testing Framework
Experience & Timeline
Senior Software Engineer
Persistent Systems — Oct 2024 - Present
Software Engineer
Persistent Systems — Jul 2022 - Sep 2024
B.Tech Computer Science & Engineering
Institute of Technology Gopeshwar — 2018 - 2022
// TECH STACK
Tools & Technologies
// LANGUAGES
TypeScript
JavaScript
Java
// FRONTEND
React
Next.js
Tailwind
// BACKEND & DATA
PostgreSQL
Redis
OpenSearch
// CLOUD & DEVOPS
Azure
AWS
Docker
// TOOLING & TESTING
WebdriverIO
Cucumber
GitHub Actions
Git
Azure DevOps
Insights & Engineering Notes
Recent post
Building Scalable React Applications
Lessons learned while designing scalable React component architectures for enterprise production applications.
Recent
→Recent post
Automating End-to-End Testing with WebdriverIO
How to build large-scale test automation frameworks using WebdriverIO, Cucumber, and parallel test execution.
Recent
→Recent post
Optimizing Frontend Performance
Strategies for improving performance, debugging production issues, and maintaining scalable frontend architectures.
Recent
→