Arshdeep Randhawa

About

JavaScript engineer and open-source contributor focused on runtime performance, reliability, and developer experience—refactored a widely used client-side API/state library to improve concurrent request handling, error consistency, and UI performance while adding tests and documentation. Also owned improvements to a core microservice at Velsa integrating multiple hospital systems, bringing structure to ambiguous priorities and delivering stability and performance gains from design through deployment.

Experience

Education

Key Strengths

• Refactored async request layer in an open-source JS library (reusable utilities, standardized error handling)
• Performance optimization in data-heavy UI (reduced unnecessary re-renders)
• Profiling-driven performance work (browser devtools/Node profiling) to find and fix hotspots
• Improved core abstractions by caching normalized responses and separating request vs state propagation
• Strong testing discipline (added unit tests to cover new logic and prevent regressions)
• Effective community issue diagnosis (reproduced intermittent concurrent-request failures; identified and fixed a race condition)
• Developer-friendly documentation and examples with feedback loops (issues/PRs, onboarding via docs, FAQs)
• Thrives in ambiguity: defined priorities and delivered incremental reliability/performance improvements for a hospital-integrations microservice