Manish Kumar

Corefinexperts Global Technologies Pvt Ltd. (DhanXpert)

• Led development of DhanXpert's Investor & Expert fintech apps (10K+ users), owning architecture and releases across product, design and backend
• Cut bundle size by 35% and feature delivery time by 40% through modular, feature-first architecture
• Redesigned user flows and dashboards for apps rated 4.5+ on Play Store
• Integrated Razorpay payments, push notifications and deep links on Android/iOS
• Built real-time investor-expert chat plus audio and video calling, using WebSockets and ZEGOCLOUD SDK

RPA Technologies

• Led a 4-member team shipping logistics apps (Transporter, Driver, Admin) with role-based access and GPS tracking
• Integrated a native custom keyboard into Real Madrid's official app via platform channels
• Built Grey Matters, an Australian healthcare app, natively in SwiftUI with GraphQL
• Built an AI fitness app generating personalized workout/nutrition plans using OpenAI
• Migrated a Health & Wellness app to Dart null safety and integrated HealthKit and Google Fit for health data

Hyreblock

• Built and shipped a full-stack recruitment platform with Flutter Web, FastAPI, PostgreSQL and AWS
• Designed the backend architecture, database models and APIs for candidate management and job workflows
• Led both frontend and backend development for the platform

Purple Toko

• Built a retail shopping app from scratch, including a responsive web version using the same Flutter codebase
• Developed complex features using reusable components and custom widgets, improving maintainability and quality

OyeLabs

• Shipped production Home Services and Grocery apps with REST API integrations and Git workflows
• Followed coding standards and best practices to reduce bugs, and collaborated with cross-functional teams

flutter_audio_output (pub.dev) ↗

Flutter plugin that switches audio between speaker, earpiece, headphones and Bluetooth via platform channels (Java/Swift); 150/160 pub points, unit tests, GitHub Actions CI/CD.