Karthik S
Open to work5 years experienceFrontend Developer
Frontend Developer | React & Next.js Specialist
Standing Rank
Rank Not Available
Developer Badges
Badges Pending
Skills & Technologies
21 skillsGitHub Activity Evidence
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Work Experience
Software Development Engineer 2
GTR.Trade
- Owned end-to-end development of the company’s web platform built on React 19 and Next.js, driving architecture decisions, feature delivery, and production deployments.
- Engineered high-performance, SEO-optimized pages using Next.js SSR/SSG, enhancing load performance and user experience.
- Built real-time trading systems using WebSockets (graphql-ws) and lightweight-charts for live candlestick and price data visualization.
- Implemented Web3 wallet authentication using Privy and viem, enabling secure and seamless onboarding for crypto users.
- Architected scalable state management using Zustand and developed a consistent component system with Mantine and Tailwind CSS.
- Integrated key services including Sentry (monitoring), Mixpanel (analytics), MoonPay (payments), and Stream Chat (messaging).
- Contributed to the React Native mobile app, delivering UI screens with cross-platform consistency alongside the web platform.
- Managed deployments on Vercel, led code reviews, and mentored developers on frontend best practices.
Software Development Engineer 1
Coreyo
- Built and maintained a high-traffic courier aggregator platform using React.js, supporting logistics providers, businesses, and end users across complex multi-step workflows.
- Implemented Redux-based state management across order creation, shipment tracking, and billing flows, reducing state-related bugs through a predictable unidirectional data flow.
- Developed a reusable component library using Ant Design and Styled Components with SCSS theming, significantly accelerating UI development.
- Optimized frontend performance through code splitting, lazy loading, and asset optimization, improving page load speed and overall responsiveness.
- Collaborated with designers to deliver pixel-perfect, accessible interfaces, working in Agile environments using Git and Jira.
- Mentored junior developers, conducted code reviews, and contributed to front-end architecture and tooling decisions.
Frontend Developer
OutOfBox
- Built a multi-portal React.js platform (corporate, student, and college dashboards) enabling end-to-end recruitment, from job posting and candidate tracking to interview scheduling and placement.
- Delivered type-safe, scalable UI using TypeScript, Redux, Ant Design, and Styled Components; configured Webpack for optimized production builds.
- Mentored junior developers and interns on React, TypeScript, and front-end best practices.
Projects
PluginLive — Talent Acquisition Platform
- Built a multi-portal React.js platform (corporate, student, and college dashboards) enabling end-to-end recruitment, from job posting and candidate tracking to interview scheduling and placement.
- Delivered type-safe, scalable UI using TypeScript, Redux, Ant Design, and Styled Components; configured Webpack for optimized production builds.
Qalam — News & Blogging Platform
- Developed the end-to-end frontend using React.js and TypeScript, integrating REST APIs via Redux Thunk for efficient asynchronous data handling and smooth navigation.
Leaderboard Standings
Leaderboard Position Pending
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Assessment Highlights
Assessments Not Completed
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AI Collaboration Score
AI Collaboration Score Pending
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Role Compatibility Profile
Role Compatibility Analysis Pending
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Achievements
Achievements Not Earned
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About Details
Professional Bio
Frontend Developer with 5+ years of experience building high-performance, scalable, and real-time web applications using React.js, Next.js, and TypeScript. Experienced across fintech, logistics, and talent platforms with expertise in state management and component-driven UI systems.
B.E. in Computer Science & Engineering
PESIT (2016 - 2020)