Accomplished and Microsoft Certified Frontend Specialist with 14+ years of experience delivering high-performance web and mobile applications. Expertise spans Angular (v2–v19), React, TypeScript, modern client-side architecture, state management, and reusable component systems. Proven as both a hands-on individual contributor and technical lead, partnering with international product and engineering teams to translate complex requirements into scalable UI and end-to-end solutions. Strong background in optimization, REST API integrations, hybrid architectures (Ionic + Angular), and cloud-enabled CI/CD delivery.

DAMODAR. K (D R ANJANEYULU. KOLLEPARA)

Accomplished and Microsoft Certified Frontend Specialist with 14+ years of experience delivering high-performance web and mobile applications. Expertise spans Angular (v2–v19), React, TypeScript, modern client-side architecture, state management, and reusable component systems. Proven as both a hands-on individual contributor and technical lead, partnering with international product and engineering teams to translate complex requirements into scalable UI and end-to-end solutions. Strong background in optimization, REST API integrations, hybrid architectures (Ionic + Angular), and cloud-enabled CI/CD delivery.

Available to hire

Accomplished and Microsoft Certified Frontend Specialist with 14+ years of experience delivering high-performance web and mobile applications. Expertise spans Angular (v2–v19), React, TypeScript, modern client-side architecture, state management, and reusable component systems.

Proven as both a hands-on individual contributor and technical lead, partnering with international product and engineering teams to translate complex requirements into scalable UI and end-to-end solutions. Strong background in optimization, REST API integrations, hybrid architectures (Ionic + Angular), and cloud-enabled CI/CD delivery.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Advanced

Work Experience

Technical Lead & Frontend Specialist at Encora
September 1, 2023 - April 30, 2025
Led frontend architecture and delivered end-to-end application work using Angular 19 and React for complex domain systems. Developed scalable, reusable Angular UI components and built Node.js/Express REST CRUD services. Collaborated with US-based architects, product managers, and site engineers to convert detailed field wireframes into maintainable frontend component systems. Owned frontend responsibilities end-to-end, optimizing data workflows for geographically distributed field exploration and asset management use cases.
Technical Lead at Encora
September 1, 2023 - April 30, 2025
Spearheaded frontend enhancement architecture for a large data-intensive oil & gas field development application (assets management, drilling rigs, bore wells, surface grids). Collaborated with onsite architects, product managers, and field site engineers to translate wireframes into optimized, production-ready Angular 19 architectures. Developed scalable, enterprise-grade reusable UI components and integrated with OSDU and robust Express.js CRUD backend services.
Senior Tech Lead at Cloudizen
June 1, 2021 - June 30, 2023
Provided senior frontend engineering leadership for an app and admin clinical portal supporting rotation portals for 4,000+ medical students/IMGs across 115+ countries. Built reusable web components using Stencil.js to ensure consistent design and component lifecycles across the platform. Developed Angular admin and user portal components and integrated Node.js/Express REST CRUD services. Coordinated delivery for a global healthcare education ecosystem with strong attention to reusable UI and integration quality.
Sr. Technical Lead at Cloudizen
June 1, 2021 - June 30, 2023
Managed and mentored a team of 4 frontend developers delivering high-traffic clinical-rotation registration portals used by 4,000+ medical students globally. Authored native-performing web components using Stencil.js to support a modular design system. Implemented client and admin media pipelines on AWS S3 and standardized CI/CD deployment logic for frontend assets. Worked across Angular (noted as Angular 19) with Node.js/Express.js integrations.
Sr. UI Developer at Prudent
August 1, 2020 - April 30, 2021
Built dynamic form and workflow interfaces in Angular 9 for healthcare insurance underwriting. Implemented UI experiences that evaluate risk factors using generated medical questions and health-related data. Worked as an individual contributor while mentoring 3 junior frontend engineers on Angular best practices and service integrations. Configured AWS S3 media storage pipelines and supported automated CI/CD web deployments.
Sr. UI Developer & Mentor at Prudent
August 1, 2020 - April 30, 2021
Served as an independent contributor and technical mentor for a team of 3 frontend engineers building a secure medical insurance underwriting review dashboard. Designed end-to-end dynamic form fields and complex questionnaire workflows to support algorithmic risk evaluation based on medical answers.
UI Lead at Tranzeal
January 1, 2018 - July 31, 2019
Led development of three cross-platform hybrid operational apps (Inspec Checklist, Crew tracking, Notes) from a unified single codebase. Integrated native device capabilities including cameras, audio capture, and geolocation, plus offline data storage using PouchDB and Parse Server. Managed application release lifecycles for Apple App Store (Xcode) and Google Play Store.
Sr. Software Engineer at Na viz Analytics (subsidiary of C2S)
October 1, 2016 - June 30, 2017
Developed real-time IoT monitoring dashboards in Angular 2 for vineyard sensor data including pH, humidity, soil moisture, temperature, leaf wetness, and ambient light. Implemented geocoder and mapping integrations to locate IoT hubs and visualize yield/disease predictions for agricultural clients.
Sr. Software Engineer at Naviz Analytics (Subsidiary of C2S)
October 1, 2016 - June 30, 2017
Built analytics interfaces for Connected Vineyard IoT, tracking real-time smart sensor streams (pH, humidity, soil, light metrics) for US agricultural stakeholders. Integrated geocoder mapping nodes and custom analytical visualization widgets.
Sr. Software Engineer at Medisys (formerly MedRC)
December 1, 2013 - May 31, 2016
Delivered massive data integration layers and deep statistical analysis layouts for the Lhe Discovery Dashboard. Implemented custom D3.js and Highcharts visualization patterns, improving rendering efficiency, mitigating memory leaks, and reducing initial page load times.
Software Engineer at Agate & Ultipronics
October 1, 2009 - December 31, 2013
Engineered responsive, cross-browser user interfaces and maintained low-level embedded configurations using Keil C.

Education

Bachelor of Technology (B.Tech / B.E.) at NOVA, Jawaharlal Nehru Technological University (JNTU)
January 1, 2009 - January 1, 2009
B.Tech/B.E at NOVA, Jawaharlal Nehru Technological University
November 1, 2009 - August 15, 2026

Qualifications

Microsoft Certified Professional (MCP) - Exam 70-480: Programming in HTML5 with JavaScript and CSS3
January 11, 2030 - July 15, 2026
MCP – Microsoft Certified Professional
January 11, 2030 - August 15, 2026
LinkedIn Assessments (Angular & JQuery)
January 11, 2030 - August 15, 2026
Microsoft Certified (additional entry noted in resume)
January 11, 2030 - August 15, 2026

Industry Experience

Software & Internet, Healthcare, Energy & Utilities, Professional Services, Education, Computers & Electronics, Media & Entertainment, Agriculture & Mining
    React Material Design Dashboard

    https://www.twine.net/signin

    React Dashboard is a modern React-based dashboard application built around Material Design principles, focusing on a clean, responsive, and component-driven user experience.

    The dashboard provides a structured application layout with:

    Responsive dashboard interface for desktop and mobile screens
    Material Design UI components with consistent spacing, typography, colors, elevation, and interaction patterns
    Dashboard cards and statistics for presenting important information at a glance
    Data visualization and charts for understanding application metrics
    Navigation and application layout with a structured sidebar/header experience
    Reusable React components for maintaining consistency across the application
    Responsive tables and data presentation
    Interactive UI elements such as menus, dialogs, buttons, forms, and navigation controls
    Modern React architecture with reusable and modular components
    Technology Focus
    React

    Material Design

    Reusable Components

    Responsive Dashboard

    Charts / Data Visualization

    Interactive Application UI

    The project demonstrates practical experience in building enterprise-style React dashboards, with particular emphasis on reusable component architecture, Material Design, responsive layouts, data visualization, and maintainable frontend development.

    My Portfolio

    https://www.twine.net/signin

    My personal technology portfolio showcasing software development projects, technical expertise, and practical experience in designing and building modern web applications and backend systems.

    The portfolio highlights full-stack development capabilities across React, Angular, TypeScript, Javascript, HTML, CSS, Node.js, Express, REST APIs, databases, authentication, and modern application architecture, with projects demonstrating real-world implementation rather than isolated technology examples

    express apis backend

    https://www.twine.net/signin

    DoctorCare API is a secure, layered RESTful backend API for the Doctor Appointment Booking System. It is built with Node.js, Express, TypeScript, Drizzle ORM, and MySQL, and provides the core services required by both Doctor and Patient applications.

    The API follows a modular architecture with separate routes, controllers, services, database/repository layers, validation, authentication, and shared utilities, providing a maintainable foundation for the frontend application.

    Key API Capabilities
    Authentication & Authorization
    User authentication
    JWT access-token authentication
    Refresh-token based session renewal
    Role-based Doctor and Patient access
    User & Profile Management
    Current-user profile retrieval
    Profile updates
    Account status and role information
    Doctor Management
    Doctor profiles
    Specializations
    Doctor availability
    Effective-date-based availability management
    Doctor leave management
    Appointment Management
    Appointment booking
    Doctor and patient appointment views
    Appointment status management
    Appointment history and logs
    Prescription Management
    Prescription creation
    Doctor prescription management
    Patient prescription history
    Database & Data Integrity
    MySQL relational database
    Drizzle ORM
    Transaction-based operations
    Structured validation and error handling
    API Documentation
    Interactive Swagger/OpenAPI documentation
    Request and response examples
    Authentication-aware API testing
    Endpoint-level schemas and parameters
    Architecture
    Client / React Application

    REST API

    Express

    Authentication

    Routes

    Controllers

    Services

    Database Layer

    Drizzle ORM

    MySQL

    The API is designed so that the frontend remains independent of the database implementation and communicates through well-defined REST endpoints.

    React Doctor care appointment application

    𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗣𝗿𝗼𝗱𝘂𝗰𝘁 — 𝗗𝗼𝗰𝘁𝗼𝗿 𝗔𝗽𝗽𝗼𝗶𝗻𝘁𝗺𝗲𝗻𝘁 𝗕𝗼𝗼𝗸𝗶𝗻𝗴 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺

    Over the last few weeks, I’ve evolved this project from a UI demo into a fully integrated React + Express application, connecting a role-based frontend with a structured REST API & MySQL backend.

    This build brings together frontend architecture, backend APIs, JWT authentication, scheduling workflows, runtime validation, and state management into one complete system.

    🌐 𝗟𝗶𝘃𝗲 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻
    🔗 Doctor Care React App: https://www.twine.net/signin

    🔑 𝗗𝗲𝗺𝗼 𝗖𝗿𝗲𝗱𝗲𝗻𝘁𝗶𝗮𝗹𝘀
    👨‍⚕️ Doctor: https://www.twine.net/signin / Demo@123
    👤 Patient: https://www.twine.net/signin / Demo@123

    🏗️ 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲
    Built with a modern React ecosystem:
    ⚛️ React 19 + TypeScript | ⚡ Vite | 🎨 shadcn/ui + Tailwind CSS
    🧭 React Router DOM | 📊 Recharts | 🌙 Light/Dark theme
    🔄 TanStack Query (Server-state management)
    🐻 Zustand (Client/application state & persistence)
    📋 React Hook Form + Zod (Type-safe form validation)
    🌐 Axios (API communication)

    The UI leverages reusable components, responsive layouts, accessible forms, loading/error states, dialogs, notifications, and role-specific navigation.

    👨‍⚕️ 𝗗𝗼𝗰𝘁𝗼𝗿 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄
    • View dashboard metrics & patient info
    • Manage profile, availability & leave
    • Handle appointments, status workflows & prescriptions

    👤 𝗣𝗮𝘁𝗶𝗲𝗻𝘁 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄
    • Browse doctors, view profiles & check availability
    • Book slots, view appointment history & access prescriptions
    • Manage profile settings

    🔐 𝗔𝘂𝘁𝗵𝗲𝗻𝘁𝗶𝗰𝗮𝘁𝗶𝗼𝗻 & 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆
    • JWT-based auth with access/refresh token workflow
    • Protected routes & role-based authorization
    • Axios interceptors & ownership-aware API access

    🔗 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗔𝗣𝗜 𝗗𝗼𝗰𝘀
    ⚡ Node.js + Express + TypeScript + Drizzle ORM + MySQL
    📖 Swagger / OpenAPI: https://www.twine.net/signin

    Description — DoctorCare

    DoctorCare is a full-stack Doctor Appointment Booking System designed to simplify the interaction between doctors and patients through a modern web application.

    The system provides separate experiences for Doctors and Patients, allowing users to securely log in and manage their healthcare-related activities.