He/Him · Senior Frontend Engineer · India

Suprabhat Kumar

React · TypeScript · Redux Toolkit · FastAPI · PostgreSQL

Frontend Software Engineer with 6+ years building high-performance SaaS platforms, enterprise dashboards, and data-intensive UI systems. I specialize in modern React architecture, performance-first delivery, and clean, scalable code.

View selected workGet in touchLinkedIn ↗
Suprabhat Kumar, Senior Frontend Engineer, standing on a tree-lined street in Munich
6+ years · React · Next.js · TypeScript · FastAPI

Availability

Open to remote freelance & contract worldwide

Async-first · Transparent progress · Shared milestones

Featured writing

01 — Writing

Featured articles

Practical guides on performance, accessibility, and modern UI delivery.

All articles →

Frontend Architecture

Frontend Best Practices for Clean, Scalable UI

Practical frontend architecture, accessibility, performance, and design-system practices for interfaces that remain maintainable as products grow.

Read article

Code Review

Front-End Code Review Checklist Before You Ship

A practical review flow for catching functional, accessibility, responsive, performance, and maintainability issues before a frontend release.

Read article

UI Design

Why Clean and Minimal UI Works for Professional Websites

How hierarchy, spacing, typography, focused content, and restrained interaction help professional websites communicate clearly and convert with less friction.

Read article
02 — About

About me

Frontend Software Engineer with 6+ years building high-performance SaaS platforms, enterprise dashboards, and data-intensive UI systems. Specialized in React, TypeScript, Redux Toolkit — and full-stack capable with FastAPI + PostgreSQL.

01

Performance-first

I ship with performance budgets, Core Web Vitals targets, and Lighthouse 100 as a baseline — not an afterthought.

02

Accessibility by default

WCAG 2.2 AA compliance, keyboard navigation, ARIA, and screen reader testing on every deliverable.

03

Scalable architecture

Reusable component libraries, design tokens, and predictable state management that teams can own long-term.

04

Full-stack capable

FastAPI + PostgreSQL backends for data-heavy platforms and real-time dashboards — end-to-end ownership.

Explore experience →

03 — Expertise

Core expertise

Full-stack capable, specializing in high-performance frontends backed by fast, type-safe APIs.

Front-End Engineering

Building scalable SaaS frontends, enterprise dashboards, and high-performance interfaces. React architecture, component systems, rendering optimization, and accessibility from day one.

React.jsNext.jsTypeScriptRedux ToolkitRTK QueryTanStack QueryTailwind CSSAnt DesignChakra UICore Web Vitals

Back-End & API Integration

Building lightweight, high-performance REST APIs with FastAPI and PostgreSQL. Enables end-to-end ownership of data-heavy platforms, real-time dashboards, and secure API architectures.

FastAPIPostgreSQLREST APIsAuthentication flowsData pipelinesGraphQLNode.js

Design Systems & Performance

Creating scalable component architectures and design tokens that teams ship from confidently. Core Web Vitals optimization, accessibility audits, and Lighthouse 100 delivery.

Design systemsStorybookWCAG 2.2 AAPerformance budgetsFigmaAzureGit
04 — Skills

Skills

The technical stack I use to deliver scalable, performant, accessible UI systems.

Front-End Core

  • React.js + Next.js
  • TypeScript + JavaScript
  • HTML5 + CSS3 + Sass
  • Tailwind CSS

State & Data

  • Redux Toolkit + RTK Query
  • TanStack Query
  • React Hooks + Context API
  • GraphQL

UI Libraries

  • Ant Design
  • Chakra UI
  • Headless UI
  • React Bootstrap

Back-End & APIs

  • FastAPI (Python)
  • PostgreSQL
  • Node.js
  • REST API design

Discuss a technical challenge →

05 — Experience

Experience

  1. Topsoe

    Software Engineer III

    • Build sleek, modern interfaces with React and TypeScript.
    • Ship predictable UI state with Redux Toolkit.
    • Collaborate with cross-functional teams in a hybrid setup.

  2. Cognizant

    Associate Projects

    • Developed UI features using TypeScript.
    • Worked with GraphQL-backed data flows.
    • Implemented responsive, modern user interfaces.

  3. TrueBlue Inc.

    Implementation Web Developer

    • Implemented responsive UI updates for web experiences.
    • Integrated components and ensured consistent UI behavior.

  4. MobileCoderz

    Senior Frontend Developer → Frontend Developer

    Oct 2023 — Nov 2023

    Senior Frontend DeveloperPromoted

    • Built modern front-end experiences with React and Next.js.
    • Collaborated on UI delivery and component integration.
    Feb 2022 — Sep 2023

    Frontend Developer

    • Developed responsive interfaces and reusable UI components.
    • Worked across React, TypeScript, and modern CSS.

  5. Swaragh Technologies

    UI Developer

    • Created responsive UI using HTML, CSS, and JavaScript.
    • Built interactive behaviors with jQuery where needed.
06 — Stack

Tools & technologies

The stack I use to ship fast, accessible, scalable products.

  • LANGUAGETypeScriptTypeScript
  • FRONTENDReactReact
  • FRONTENDNext.jsNext.js
  • STATEReduxRedux
  • RUNTIMENode.jsNode.js
  • DESIGNFigmaFigma
  • STYLINGTailwind CSSTailwind CSS
  • DEVOPSGitGit
  • STYLINGSassSass
  • FRONTENDjQueryjQuery
  • AIClaude AIClaude AI
  • TESTINGStorybookStorybook
  • CLOUDAzureAzure
  • BACKENDFastAPIFastAPI
  • DATABASEPostgreSQLPostgreSQL
07 — Work

Selected internal work

A snapshot of internal product work focused on performance, accessibility, and scalable UI systems.

Internal work — described without client names, screenshots, or confidential detail.

Analytics command center

Designed a role-based dashboard with accessible charts and resilient data states for fast decision-making.

  • Core Web Vitals
  • Performance
  • Accessibility
  • Data UX

Design system uplift

Standardized components and tokens to improve UI consistency across multiple teams and products.

  • Design systems
  • Consistency
  • Scalability

Performance modernization

Reduced load times by optimizing assets, routing, and rendering strategies across a complex UI.

  • Core Web Vitals
  • Optimization
  • Frontend

See all internal work

08 — Recommendations

Recommendations

What cross-functional partners say about working together.

"Suprabhat turned a complex analytics workflow into a fast, accessible dashboard. The UI felt polished and the performance wins were immediate."
Pooja VermaSenior Quality Analyst
"He brought structure to our front-end architecture and delivered a design-system-ready UI that scaled across teams."
Sonu GaganSenior Specialist, Platform
"His accessibility-first approach helped us ship inclusive experiences without slowing delivery."
Supriya SumanAssociate, UX Research

View all six recommendations →

09 — FAQ

Frequently asked questions

Quick answers about services, pricing, and how we can collaborate.

Start a project
  • What services do you offer?
    I build high-performance, accessible websites and front-end applications, including UI engineering, design systems, performance optimization, and React/Next.js development.
  • How do you price projects?
    Pricing is tailored to scope and timeline. I provide a fixed quote after a short discovery call and a clear requirements outline.
  • Do you take on international or remote work?
    Yes. I collaborate remotely with teams worldwide using async updates, shared milestones, and transparent progress tracking.
  • What does a typical timeline look like?
    Timelines depend on complexity, but most landing pages take 1–2 weeks, and multi-page sites or apps take 3–6 weeks.
  • How do we start a collaboration?
    Send a brief via the contact form and I will reply with next steps, timeline options, and a detailed proposal.

Ready to collaborate

Let's build something fast and accessible

Share a brief and I'll respond with a clear plan, timeline, and next steps.

Start a projectRead the blog
10 \u2014 Contact

Contact

Interested in collaborating? Let's build something polished together.

Prefer email? suprabhatkumar02@gmail.com