Parth Darji.
I build mobile experiences.
I'm a software engineer specialized in crafting high-performance, user-centric mobile applications. From fintech to IoT, I build smooth, secure, and beautiful experiences that work - driven by a passion for clean design and thoughtful details.
Check out my work!Professional Journey
Mobile Application Developer
Selcom Paytech Limited
- Solved high-severity 4K/8K payload crashes by enforcing image compression standards, stabilizing the entire user module.
- Upgraded Flutter from 1.22.0 to 3.3.7, reducing daily crashes from 1,000 to just 10 non-fatal ones within 6 months.
- Secured payment APIs using AES and RSA encryption with sequential token-based validation to align with fintech best practices.
- Increased app downloads by 12,000 in 3 months via Firebase Analytics and push notifications; cut build time from 30 to 3 minutes using Codemagic CI/CD.
- Optimized high-load grocery screen (1,500+ items) rendering and memory management to ensure smooth, crash-free navigation.
- Integrated Apple & Google Wallet for digital tickets using Node.js for .pkpass generation and OAuth2 via Google Workload Identity.
- Reduced rider app data usage from 450MB/37min to under 6MB/day by identifying and optimizing oversized backend broadcast events.
Flutter Developer
OneClick IT Consultancy
- Developed OneClick Buzz from scratch (Figma, GPS tracking, real-time chat) while aligning technical delivery with business goals.
- Optimized Blackk&One Flutter Web app for 1GB RAM smart TVs, reducing load times by 3× and memory usage by 60%.
- Integrated BLE support for LOBA pillbox reminder app, improving medication adherence by 35% through smart feedback cues.
- Architected Maragoo Lifeline IoT carer app and admin portal using GetX and real-time health monitoring for elderly fall detection.
- Stabilized WHO's Terramar Freestyle II with 25+ critical fixes and enhanced Hebrew Spiritual app Breslev with adaptive video playback.
Notable Projects
Featured Project
duka.direct Super App
A flagship multi-service super app in Tanzania integrating e-commerce, food delivery, bill payments, and travel bookings into a single high-performance experience.
View Case Study →Fintech Showcase
Selcom Pesa
A digital fintech platform enabling seamless money transfers, bill payments, and loan access, transformed from an internal tool to a public-facing ecosystem.
View Case Study →Merchant Operations
duka Merchant
A comprehensive platform for businesses to manage orders, products, and real-time income tracking with Socket.io updates.
View Case Study →Other Noteworthy Work
duka Rider App
Delivery agent app for order management and real-time tracking with optimized data usage.
Read Details →OneClick Buzz
Internal office app with real-time chat and smart 'silent-mode' bypass alerts.
Read Details →LOBA App
Pillbox reminder app with BLE integration to improve medication adherence.
Read Details →Selcom ID
Unified verification platform for mobile and passport-based user authentication.
Read Details →Maragoo Lifeline
Health monitoring for elderly fall detection and real-time activity tracking.
Read Details →duka Microsite
Responsive ReactJS web version of the super app for desktop users.
Read Details →Rider Admin
Supervisor tool for real-time tracking and delivery operation coordination.
Read Details →Selcom Kazi
Employee management platform for automated records and leave requests.
Read Details →Breslev Center
Spiritual media platform with Hebrew content and adaptive video playback.
Read Details →Freestyle II
WHO partner vehicle inspection app for stable field-ready defect reporting.
Read Details →Transport Booking
Large-scale system for trip scheduling and itinerary coordination.
Read Details →Maragoo Admin
Admin panel for carer management and real-time patient monitoring.
Read Details →Access Bank Support
Production support and critical bug resolution for mobile banking services.
Read Details →Baroda Bank Support
Banking application maintenance and production stability monitoring.
Read Details →Technical Expertise
Mobile & Frontend
- Flutter / Dart
- Android (Java/Kotlin)
- iOS (Swift)
- JavaScript (ES6+)
Backend & Infrastructure
- Firebase / Firestore
- Node.js / Express
- RESTful APIs
- Git / CI/CD
Architecture & Design
- MVVM / BLoC / GetX
- Clean Architecture
- UI/UX Design
- Unit Testing
Get In Touch
I'm always open to discussing new projects, creative ideas, or opportunities to be part of your vision. Whether you have a question or just want to say hi, my inbox is always open!