{"@context":"https://schema.org","@type":"JobPosting","title":"Java Script Expert","description":"

Design and develop scalable applications using JavaScript and TypeScript
Demonstrate strong understanding of React framework and performance patterns
Optimize applications handling large datasets (10K+ rows) using virtualization and rendering strategies
Deeply understand and explain: Call Stack Event Loop Microtasks vs MacrotasksPromises, async/await, setTimeout behavior
Prevent performance bottlenecks and infi nite re-renders in component-driven architectures Write clean, effi cient, and production-grade code under time constraints

Technical Expertise Required

Evidence of JavaScript expertise on your public GitHub profile Core JavaScript / TypeScript
Strong command over ES6+ features Closures, scope, hoisting, prototypal inheritance Event loop internals (microtasks vs macrotasks) Memory management basics Async patterns and execution order reasoning React (Advanced) Rendering lifecycle Preventing unnecessary re-renders Passing components as props safely Memoization (useMemo, useCallback, React.memo) Virtualization for large datasets (e.g., 10K+ rows)

","datePosted":"2026-06-25T00:00:00.000Z","validThrough":"2026-08-24T00:00:00.000Z","employmentType":"FULL_TIME","identifier":{"@type":"PropertyValue","name":"myjobb-ai","value":"4367055"},"url":"https://myjobb.ai/jobs/java-script-expert/4367055","directApply":false,"hiringOrganization":{"@type":"Organization","name":"NAS Group","logo":"https://s3.ap-south-1.amazonaws.com/recruiter-static-content/CompanyLogos/centralised-43090.jpg"},"jobLocation":[{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Bengaluru","addressRegion":"Karnataka","addressCountry":"India"}}]}