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UMANGKUMAR K. LIMBACHIYA

Open to work11 years experience

Senior Full-Stack Engineer

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

Senior Frontend Developer & Full-Stack Engineer | React.js | Next.js | TypeScript | Node.js

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

37 skills
react.jsnext.jstypescriptjavascriptredux toolkitcontext apizustandhtml5css3tailwind cssnode.jsexpress.jsnestjsrest apisgraphqljwt authenticationrbacmicroservices architecturemongodbpostgresqlmysqlindexeddbawsdockerci/cd pipelinesgithub actionsnginxlinuxreact nativewordpressshopifygithub copilotchatgptclaudesystem designagile/scrumReact native

Work Experience

Full Stack Developer

Uokal InfoSolution

Jan 2024 - Present Ahmedabad, India
  • Architected and delivered enterprise-grade MERN applications across ERP, healthcare, and e-commerce domains using scalable modular architecture.
  • Reduced feature delivery timelines by 30% through reusable component systems and optimized backend service structures.
  • Designed secure REST APIs with JWT authentication, RBAC authorization, audit logging, and scalable middleware architecture handling 10,000+ daily requests.
  • Led migration of large-scale frontend systems to React.js + TypeScript, significantly improving maintainability and reducing production bugs.
  • Managed AWS infrastructure deployments using Docker and CI/CD workflows ensuring stable zero-downtime releases.
  • Collaborated directly with international clients and remote teams using asynchronous communication workflows and agile delivery cycles.
  • Mentored junior developers through architecture guidance, code reviews, and engineering best practices.

MERN Stack Developer

C Suite ERP Pvt. Ltd

Mar 2023 - Dec 2023
  • Built enterprise ERP modules covering HR management, payroll, finance, inventory, and reporting systems.
  • Implemented secure RBAC authentication workflows for multi-role enterprise access management.
  • Managed Docker-based deployments and CI/CD release pipelines in agile development environments.

MERN Stack Developer

Centillion Softech Pvt. Ltd

Mar 2022 - Mar 2023
  • Developed scalable MERN applications for enterprise clients with focus on performance optimization and reusable frontend architecture.
  • Optimized MongoDB and PostgreSQL queries improving high-volume data performance by up to 50%.
  • Built reusable React component libraries reducing repetitive UI development effort across multiple projects.
  • Integrated payment gateways, third-party APIs, and business automation services supporting production client platforms.

MERN Stack Developer

Grubbrr Systems Pvt. Ltd

Nov 2019 - Mar 2022
  • Engineered restaurant ordering and management platform supporting operations across 50+ restaurant locations.
  • Developed high-performance APIs for order processing, POS integrations, menu management, and payment workflows.
  • Implemented real-time order tracking using WebSockets improving customer experience and operational visibility.
  • Optimized frontend rendering and backend response times reducing page load times by approximately 60%.

Frontend Developer

KloudScript Inc

Jan 2019 - Nov 2019
  • Translated complex UI/UX designs into pixel-perfect, accessible React.js components within a product-based healthcare technology environment.
  • Collaborated with backend teams to integrate RESTful APIs, ensuring seamless frontend-backend data flows across multiple product modules.

Frontend Developer

Briqs Data Pvt. Ltd

Feb 2016 - Dec 2018
  • Developed dynamic web applications and CMS-driven solutions using AngularJS, WordPress, and Ionic, supporting 10+ client projects.
  • Built responsive email templates and Google Ads creatives, directly contributing to client marketing campaign performance.

Junior Frontend Developer

Prudent Techno Serve Pvt. Ltd

May 2015 - Feb 2016
  • Launched professional career building responsive, animated websites using HTML5, CSS3, Bootstrap, jQuery, and JavaScript.

Projects

Enterprise ERP Management Platform

React.jsNode.jsExpress.jsMongoDBDockerAWS EC2/S3
  • Architected a complete enterprise ERP ecosystem including HRMS, payroll, inventory, finance, reporting, and executive dashboards.
  • Designed scalable backend architecture with modular APIs and audit-based activity tracking.
  • Automated business reporting processes reducing manual operational workload by approximately 70%.
  • Implemented role-based permissions and secure enterprise workflows for multi-department operations.
  • Deployed scalable AWS infrastructure supporting continuous production operations for 200+ active users.

Hospital Management System

React.jsNode.jsTypeScriptMySQLREST APIs
  • Developed a complete healthcare management platform with patient registration, appointment scheduling, doctor management, billing, OPD/IPD workflows, and medical history tracking.
  • Implemented encrypted API communication and strict RBAC security controls for secure healthcare data access.
  • Built automated appointment scheduling logic reducing scheduling conflicts and improving operational efficiency.
  • Designed responsive dashboards for doctors, administrators, and reception teams improving workflow visibility and productivity.
  • Optimized backend APIs and database structure for handling large-scale patient records securely and efficiently.

Multi-Tenant School Management System

Node.jsReact.jsMongoDBAWSREST APIsReact Native
  • Built cloud-based multi-tenant school ERP platform supporting admissions, attendance, exams, fee management, transport, and result generation.
  • Developed isolated tenant architecture supporting multiple institutions within a single scalable infrastructure.
  • Integrated role-based dashboards for students, parents, teachers, and administrators.
  • Configured AWS deployment with scalable infrastructure capable of handling 5,000+ concurrent users during peak result periods.
  • Improved operational efficiency by automating academic and administrative workflows.

Healthcare & Insurance Claims Platform

React.jsNode.jsMongoDBREST APIs
  • Engineered secure claims management workflows for patient records and insurance claim processing.
  • Built automated validation systems reducing manual claim review workload by more than 50%.
  • Designed structured medical history storage with secure retention policies and audit logging.
  • Developed scalable APIs for healthcare integrations and secure document management.

E-Commerce & Online Education Platforms

React.jsNext.jsNode.jsPostgreSQLStripe API
  • Developed scalable e-commerce platform with product catalog management, secure checkout, order tracking, and Stripe payment integration.
  • Built online learning management system supporting course enrollment, live sessions, progress tracking, and certification workflows.
  • Implemented optimized frontend architecture improving SEO performance and user experience.
  • Designed scalable backend APIs supporting thousands of concurrent learners and transactions.

React Native Delivery & Service Management App

React NativeNode.jsExpress.jsMongoDB
  • Developed cross-platform React Native mobile application for delivery tracking, service requests, customer management, and real-time notifications.
  • Implemented live order tracking, push notifications, authentication workflows, and offline-friendly mobile features.
  • Integrated REST APIs and Firebase services for real-time synchronization and mobile alerts.
  • Optimized mobile performance, reducing app loading times and improving overall user experience across Android and iOS devices.
  • Published production-ready builds with scalable backend integration and secure authentication systems.

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

Achievements Not Earned

Special rewards, developer badges, system recognition certificates, and conceptual milestones will display here.

About Details

Professional Bio

Results-driven Senior Full-Stack Engineer with 10+ years of experience architecting and delivering scalable, cloud-native web and mobile applications. Specialized in React.js, Next.js, Node.js, TypeScript, AWS, and React Native with expertise in designing secure APIs and enterprise-grade systems.

Web Development Training

Tops Technologies, Ahmedabad (2014 - Present)

Languages: English, Hindi
Email: Locked