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AK

Arvind Kumar

Open to work8 years experience

React Lead

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

React Lead with 8 years of expertise in React.js, Next.js, and enterprise SaaS architecture.

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

23 skills
react.jsnext.jstypescriptjavascriptredux toolkitrtk queryzustandcontext apireact querytailwind cssstorybookwcag 2.1 aawebpackviteeslintprettierjestreact testing librarygithub actionsagilescrumjiragitflow

Work Experience

React Lead – Enterprise Applications

Webenor Technologies

Apr 2025 - Nov 2025 Delhi
  • Architected React 18 + TypeScript enterprise dashboard — cut initial load by 28% via code-splitting and lazy-loaded routes.
  • Shipped a 30-component reusable UI library — reduced per-feature build time from ~3 days to under 1 day across 2 product squads.
  • Rolled out ESLint + Prettier + pre-commit hooks — slashed average code-review cycle from 2 days to under 1 day (~50% faster).
  • Drove end-to-end React architecture decisions, ADRs, and team-wide coding standards for a cross-functional squad.

React Lead / Frontend Architect

Way to Go Designs

Jan 2024 - Jan 2025 Meerut
  • Owned React architecture for 6 simultaneous e-commerce and enterprise platforms serving 200K+ monthly users.
  • Eliminated 45% of unnecessary re-renders with React.memo, useMemo, useCallback, and react-window for data-heavy tables.
  • Multi-brand design token system (Tailwind + CSS variables) — 3 brand themes from one React codebase; cut UI duplication by 60%.
  • Standardised Redux Toolkit + RTK Query across 4 teams — removed ~300 lines of boilerplate per feature and reduced state bugs by ~35%.

React Lead – SaaS Platform

Envision Intelligence

Jul 2023 - Jan 2024 Vizag
  • Architected a Next.js 13 App Router SaaS platform for 5+ enterprise clients across finance and logistics.
  • Cut LCP from 4.8 s → 3.1 s (35% gain) via SSR/SSG/ISR, next/image optimisation, and font subsetting.
  • Built a Tailwind design system (60+ tokens, 80+ components) adopted by 3 product teams — reduced UI inconsistencies by ~70%.
  • Reusable React component library pushed sprint velocity from 28 → 39 story points in 3 months (+40% feature delivery).
  • Payment Collection Portal: hit Google 'Good' Core Web Vitals on first production release (LCP < 2.5 s, TTFB < 200 ms).

Tech Lead – Frontend Engineering

CerebrumX Labs Pvt Ltd

Nov 2021 - May 2023 Gurgaon
  • Led a team of 6 engineers building ADLP — an AI-driven analytics SPA serving 10+ enterprise clients.
  • Built a shared React UI platform and component library across 3 product lines — accelerated feature delivery by 40% (sprint velocity: 24 → 34 pts).
  • Eliminated 38% of initial bundle and shaved 1.2 s off TTI via lazy loading and route-level code splitting.
  • Mentored 4 mid-level engineers; 2 promoted to Senior within 12 months through structured coaching on React patterns and performance.
  • Managed Agile ceremonies for a 10-person cross-functional team — maintained 90%+ sprint completion rate for 18 consecutive months.

React / Next.js Engineer

Amantya Technologies

Aug 2020 - Nov 2021 Gurgaon
  • Delivered 4 production Next.js applications (SSR/SSG + ISR cache revalidation) — improved average LCP by 30% and SEO crawl coverage by 25%.
  • Defined the team's rendering strategy matrix (SSR vs SSG vs CSR by data volatility) — adopted as the standard across all Next.js projects.
  • Optimised Webpack (tree-shaking + dynamic imports) — slashed average bundle from 820 KB to 510 KB (38% reduction).

UI/UX & Frontend Developer

Vardhman Publications

Aug 2017 - Jul 2020 Noida
  • Rebuilt 3 content-heavy web platforms with React and mobile-first HTML5/CSS3 — lifted mobile Lighthouse scores from ~45 to ~78 (+73%).
  • Authored a reusable React component framework adopted across 5 internal projects, cutting page-build time by ~30%.

UI Engineer

Vipra Dialogues / Manhattan Communication / Webixion Technologies

Jan 2011 - Jan 2017 Delhi NCR / Mumbai
  • Delivered responsive web applications for 12+ clients across media, publishing, and retail — foundation of modular JS and component-structuring practices.
  • Built cross-browser compatible layouts (IE9+, Chrome, Firefox, Safari); reduced browser bugs by ~40% via systematic QA and polyfill strategy.

Projects

PaisePe – Personal Finance Platform

View Project
Next.js 14TypeScriptTailwind CSSApp Router
  • All-in-one personal finance hub: loans, insurance, credit score, and investment calculators — one platform for a user's entire financial life.
  • Real-time credit score visualisation with modular React calculator components and dynamic state for instant feedback.
  • SSR/ISR architecture delivers fast initial loads, strong SEO, and Google 'Good' Core Web Vitals out of the box.

AtlasGrid – GIS Dashboard

View Project
Next.jsTypeScriptGIS / Mapping Libraries
  • Full-featured GIS dashboard: interactive geospatial visualisation, spatial data overlays, and real-time map analytics.
  • Responsive, data-dense UI handling zoom, filter, and layer-toggle interactions for power users at scale.

ADLP – AI Analytics SPA

View Project
ReactAngularAI/ML Dashboards
  • Reduced initial bundle by 38% and TTI by 1.2 s via lazy loading and route-based code splitting.
  • Redesigned category filters and CTAs with UX team — measurably improved conversion-path completion.

Enterprise SaaS Platform

View Project
Next.js 13App RouterISRCDN Edge Caching
  • LCP improved 4.8 s → 3.1 s (35%); TTFB < 200 ms via ISR + CDN edge caching.
  • React design system (60+ tokens, 80+ components) adopted by 3 teams — UI bug reports down ~70%.

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 and Delivery Metrics

35% LCP improvement, 45% fewer re-renders, 40% faster feature delivery.

About Details

Professional Bio

React Lead with 8 years of hands-on expertise in React.js and Next.js, progressively growing from UI Engineer to architecting enterprise SaaS platforms. Consistent track record: 35% LCP improvement, 45% fewer re-renders, 40% faster feature delivery. Owns architecture end-to-end.

Bachelor of Computer Applications (BCA)

IGNOU University ( - Present)

Languages: English, Hindi
Email: Locked