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Software Engineer | React | Next.js | JavaScript
Jeffrin Binu W
Software Engineer with 4 years building production web applications in React and Next.js, consistently shipping features used by real customers across analytics dashboards, membership platforms, and content sites. Skilled in state management (Redux, Zustand, TanStack Query), performance optimization, and AI-assisted development workflows, with a track record of owning features end-to-end from development through completion in fast-paced, cross-functional teams.
ReactNext.jsJavaScriptTypeScriptPythonTailwind CSSBootstrapReduxZustandTanStack QueryViteMySQLGitAzure PipelinesPuppeteerReactNext.jsJavaScriptTypeScriptPythonTailwind CSSBootstrapReduxZustandTanStack QueryViteMySQLGitAzure PipelinesPuppeteer
What I do
Turning complex ideas into refined interfaces.
Frontend Architecture
Scalable React & Next.js applications built on clean, reusable component libraries that scale with the product.
State & Data
Predictable client state with Zustand and cache-aware, optimistic data fetching via TanStack Query.
Pixel-Perfect UI
Responsive, accessible, pixel-perfect interfaces crafted with Tailwind CSS and a sharp eye for detail.
Selected Work
Projects & case studies
Career
Experience & journey
Apr 2023 – Jul 2026
Associate Software Engineer
Populus Empowerment Network (PEN)
Led development of a unified analytics dashboard in React and Next.js, integrating data from multiple APIs and taking ownership of feature delivery; reduced load times through caching and lazy-loading of heavy views.
- Led development of a unified analytics dashboard in React and Next.js, integrating data from multiple APIs and taking ownership of feature delivery; reduced load times through caching and lazy-loading of heavy views.
- Delivered multiple short-term, public-facing applications — membership registration platforms, blog sites, and content portals — built with React, Next.js, and Vite.js, several of which saw high-traffic spikes around launch.
- Implemented TanStack Query to manage high-volume API traffic, adding caching, pagination, and error boundaries to keep the UI stable under load.
- Built a PDF report generation pipeline using Puppeteer for complex dashboard exports and PDFKit for lightweight, on-demand reports.
- Gained working knowledge of Angular by contributing to an internal admin panel within its existing component structure.
Aug 2022 – Apr 2023
Junior Software Developer
Shivalayam Software Solution
Developed real-time data dashboards in Dash (Python), featuring dynamic filtering and interactive visualizations, and transitioned into frontend React.js development.
- Developed real-time data dashboards in Dash (Python), featuring dynamic filtering and interactive visualizations.
- Transitioned into frontend development, contributing to a production React.js application by building reusable components and responsive layouts.
- Collaborated within an Agile team, tracking development tasks in Jira, managing data storage with MySQL, and maintaining version control with Git.
Toolkit
Technical skills
01 — Frameworks & Libraries
ReactNext.jsAngular
02 — Languages
JavaScriptTypeScriptPython
03 — Styling & UI
HTML5CSS3Tailwind CSSBootstrap
04 — State Management
ReduxZustandTanStack Query
05 — Build Tools & Automation
ViteGitAzure PipelinesPostman
06 — Databases & Tooling
MySQLPuppeteerPDFKitJiraAzure Boards
From the blog