Yogesh Kumar

Frontend Engineer

Chennai 4+ yrs exp 89 · Excellent

About

Frontend Engineer with 2.5+ years of experience building production web and mobile applications using React, JavaScript, and React Native. Delivered enterprise ERP workflows, data analytics interfaces, and offline-first mobile experiences. Reduced duplicate UI code by 60% through reusable React components and custom hooks.

Skills & Expertise (21)

React Advanced

8.0/10

2.5

Years Exp

React Native Intermediate

7.5/10

2.5

Years Exp

Redux Toolkit Intermediate

7.5/10

2.5

Years Exp

Git Intermediate

7.0/10

2.5

Years Exp

REST API Integration Intermediate

7.0/10

2.5

Years Exp

Postman Intermediate

6.5/10

2.5

Years Exp

React Testing Library Leaflet Plotly React Flow MongoDb Yup Formik Error Boundaries Javascript (ES6+ Redux Saga Ant design Vite Expo CSS3 HTML5

Work Experience

Frontend Developer

Mandark Technologies Pvt. Ltd.

Apr 2024 - Present

Developed interfaces across five ERP modules (PIM, Plant, CRM, IMS, WFM) using React, Vite, Redux Toolkit, and Ant Design; cut duplicate UI code by 60% with reusable hooks and components. Implemented drag-and-drop workflows, role-based permission guards, and asynchronous state updates using Redux Saga. Strengthened UI reliability with React Testing Library, error boundaries, and responsive component patterns.

Project Engineer

ICSR, IIT Madras

Oct 2025 - Mar 2026

Developed a route-optimization dashboard for configuring waste-collection scenarios and analyzing cost, distance, emissions, and vehicle-utilization metrics. Built a React Native/Expo field app with geolocation, offline-first WatermelonDB synchronization, photo documentation, and queues for collection and inventory updates. Designed responsive web/mobile workflows with Redux state management, Formik/Yup validation, and multi-screen navigation.

Frontend Developer

Mandark Technologies Pvt. Ltd.

Sep 2024 - Jan 2025

Developed the frontend for an IoT device-monitoring platform, integrating Leaflet maps to display live device locations and historical travel paths. Managed frontend development from initial setup through Version 1 release, collaborating with designers to implement UI/UX specifications. Established reusable component patterns to keep the interface maintainable and support future feature development.

Frontend Developer

Mandark Technologies Pvt. Ltd.

Jul 2024 - Aug 2025

Developed the end-to-end frontend of a data management platform supporting Excel/CSV uploads, direct database connections, data ingestion, and structured dataset creation. Built interactive Plotly dashboards for customizable chart creation and React Flow workflows connecting inputs, Python functions, and outputs for data transformation. Customized athlete-performance analysis for the Sports Authority of India with dataset comparison, cross-dataset filters, and dynamic Handlebars-rendered content.