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Pankaj Kumar

Open to work4 years experience

Senior Software Engineer

Delhi, IndiaTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Senior Software Engineer | React.js · TypeScript · Next.js

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

36 skills
react.jsnext.jstypescriptjavascripthtml5css3scsssasstailwind cssbootstrapstorybookredux toolkitrtk querycontext apirest apisgraphqlwebsocketsssenode.jsexpress.jsmongodbfirebasessrssgcore web vitalsjestreact testing librarywebpackvitegitgithub actionsvercelgcpgoogle pagespeedwcagsystem design

Work Experience

SDE-2, Frontend Engineer

GradRight Inc.

Sep 2025 - Present Delhi, India
  • Fixed memory leaks in Next.js production app, reducing server memory by ~30% via optimized SSR strategies and data fetching.
  • Refactored Gradguru AI chatbot from legacy code to clean, reusable React components, boosting maintainability and load performance across core user flows.
  • Worked on data-backed UI improvements and A/B tests, achieving a 20% increase in task completion across key product funnels.

Frontend Developer

EZ Works

Aug 2023 - Sep 2025 Delhi, India
  • Owned end-to-end delivery of production React.js features, collaborated with backend and design teams to ship consistently and reliably.
  • Mentored 4 junior engineers via code reviews and pair programming, and created Storybook UI documentation that reduced onboarding time and standardized component design.
  • Improved Core Web Vitals scores through bundle analysis, code splitting, and image optimization across production features.

Software Engineer

Redbasil

Mar 2023 - Aug 2023 Delhi, India
  • Built a B2B e-commerce platform with Next.js SSR/SSG, improving organic discoverability through dynamic metadata, sitemap generation, and canonical URLs, while cutting page load by 50% via bundle optimization, tree shaking, and Core Web Vitals tuning.
  • Designed modular Redux Toolkit architecture supporting 50+ components; led 3-person team and handled full API integration via REST APIs in direct collaboration with CTO.
  • Worked with product and backend teams on sprint planning, feature scoping, and architecture decisions to reduce delivery bottlenecks.

Junior Developer

Youblock

Jul 2022 - Mar 2023 Delhi, India
  • Owned full-stack development at an early-stage startup — built scalable React UI, integrated Web3 wallets, and managed real- time Firebase data while co-defining product architecture with the founder.

Projects

TR42.ai — Next Generation of CAT Tools

React.jsTypeScriptRedux ToolkitWebSockets
  • Reduced Excel/JSON rendering time by 60% using virtualization; added real-time collaboration (live chat & notifications) via WebSockets.
  • Built Undo/Redo system and advanced Find & Replace (40% efficiency gain), increasing text-editing efficiency and improving error recovery workflows.
  • Engineered a unified file preview system supporting Word, PPTX, and PDF formats with sentence-level mapping and synchronized highlighting between editor and preview pane.

Caspr.ai — Generative AI Report Platform

React.jsTypeScriptTailwind CSSSSERedux ToolkitOAuth
  • Designed real-time AI interface with SSE-based LLM streaming, reducing perceived latency by ~40% through optimized React component lifecycle management.
  • Implemented concurrent multi-session chat workflows enabling users to generate multiple reports simultaneously, tripling overall user productivity.
  • Reduced failed report generation by ~30% in poor network conditions via offline support, automatic retry logic, and RTK Query request deduplication.
  • Implemented OAuth-based authentication and secure session handling, ensuring robust access control across multi-user report generation workflows.

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

Performance Optimization Impact

Lighthouse score 60→95, 50% page load reduction.

About Details

Professional Bio

Senior Frontend Engineer with 4+ years designing scalable React.js and Next.js applications, specializing in component architecture, Redux Toolkit, and performance optimization. Proven track record of mentoring teams, driving cross-functional delivery, and delivering measurable impact.

B.Tech in Computer Science & Engineering

Lovely Professional University ( - Present)

Languages: English, Hindi
Email: Locked