SUJAN

Full-stack developer

I turn product ideas into reliable web systems.

Full-stack developer building clear product interfaces, API-backed workflows, and maintainable architecture. I focus on the decisions that make software easier to use, easier to extend, and safer to release.

Work with me GitHub
Full-stack flow UI / API / DB / QA
01
Interface States + flows
02
Services Contracts
03
Data Rules + checks
6+ years shipping web products
16 tools across product delivery
3 domains across product teams

Architecture

How I ship full-stack product work.

How I work

I build features as complete product paths: the screen, the state model, the API contract, the data rules, and the release checks. That keeps user flows clear and gives the team a system that is easier to change later.

request 200 OK
API
Client
API
Data

Interface and state

Screen behavior, reusable components, forms, validation, loading states, accessibility, and feedback loops that make product flows predictable.

API contracts and services

Request lifecycle handling, auth-aware flows, service boundaries, REST integrations, and contracts that keep frontend and backend work aligned.

Data rules and release checks

Persistence choices, data rules, edge-case handling, and focused checks around the workflows most likely to affect users.

Stack

React Next.js TypeScript Redux REST APIs API Integration Responsive UI Figma to Frontend Usability Testing User-Centered Design Git Visual Feedback

Delivery map

Map user path
Define contracts
Model data rules
Verify release

Selected projects

Product problems I have worked through.

Selected work across product interfaces, ecommerce workflows, financial transaction screens, API-backed features, reusable components, and release checks.

Toolost July 2023 - March 2026
FS
State designProduct UIEdge cases

Frontend and UI/UX Developer

Toolost Product Interfaces

Product screens shaped around clear state, accessible interactions, and release-ready behavior.

  • Turned product requirements into reusable patterns for forms, navigation, empty states, and feedback.
  • Resolved interaction edge cases so key paths stayed clear across desktop and mobile.
  • Balanced design intent with implementation constraints to keep screens practical to ship.
Cashback Holdings Pvt. Ltd. February 2021 - July 2022
FS
StorefrontCheckoutService states

Frontend Lead

Ecommerce Platform

Commerce flows connecting discovery, cart behavior, account actions, and checkout decisions.

  • Led frontend structure for storefront and account surfaces with consistent repeated patterns.
  • Built cart and checkout flows around clear decisions, validation, and recoverable actions.
  • Matched UI behavior to service responses so commerce states stayed understandable.
Cashback Holdings Pvt. Ltd. February 2021 - July 2022
FS
Account flowTransaction UITrust states

Frontend Lead

Crypto Coin Exchange

Dense financial screens designed for clarity, confidence, and low-ambiguity actions.

  • Organized balances, actions, and market context so dense screens stayed readable.
  • Designed transaction states around confirmation, failure, loading, and recovery moments.
  • Balanced information density with trust-focused interaction patterns for sensitive financial actions.
AlphaTech July 2022 - July 2023
FS
Design handoffReusable UIRelease checks

Full-Stack Web Developer

Reusable Component Delivery System

A delivery workflow for turning design handoff into reusable, tested product components.

  • Integrated service-driven workflows so UI states matched backend behavior.
  • Converted design handoff into reusable components with clearer ownership and variants.
  • Added focused checks around release-sensitive paths to catch regressions before production.

Experience

Roles focused on product delivery.

Frontend and UI/UX Developer

Toolost

Built product-facing interfaces and workflows with attention to state, usability, and maintainable delivery.

  • Implemented reusable interface patterns for product screens, forms, navigation, and feedback-heavy workflows.
  • Refined user paths by resolving unclear states, mobile behavior, validation gaps, and interaction edge cases.
  • Kept design, usability, and implementation constraints aligned so releases stayed practical and maintainable.
FrontendUI/UXProduct InterfacesResponsive UI

Full-Stack Web Developer

AlphaTech

Delivered full-stack web features by connecting design handoff, service integrations, and release checks.

  • Integrated REST-backed workflows into applications with predictable request, loading, success, and failure states.
  • Converted design handoff into reusable components that supported consistent implementation across screens.
  • Added targeted test coverage around release-sensitive flows to reduce regression risk.
Component SystemsService IntegrationState OrchestrationRelease QualityCritical Path Testing

Frontend Lead

Cashback Holdings Pvt. Ltd.

Led interface architecture across commerce and fintech products with attention to service-backed states.

  • Defined reusable frontend patterns for storefront, account, and transaction surfaces.
  • Built commerce flows that connected product discovery, cart actions, validation, and checkout decisions.
  • Designed fintech interaction states around trust, confirmation, recovery, and clear user feedback.
Frontend LeadInterface ArchitectureState ModelingEcommerceCrypto Exchange

Frontend Developer

Supreme IT Solutions

Built client-facing pages and components with practical structure, responsive layouts, and maintainable styling.

  • Standardized repeated UI patterns across client-facing pages for cleaner delivery.
  • Created maintainable layouts and component structure from business requirements.
  • Handled responsive behavior and visual polish so interfaces worked across common device sizes.
FrontendInteraction DesignComponent DeliveryResponsive UI

Have a product surface that needs patient full-stack work?

sujandahal38@gmail.com LinkedIn