01
Photo & Signature Resizer
Resizes photos and signatures to an exact KB and pixel size for online forms. Everything is processed on the phone.
Mobile App Developer · Flutter & Android
Aditya Kumar Gupta
I build fast, polished mobile apps. At SpeakX I built full-screen call notifications for real-time AI calls, and I'm now building six offline Android apps from one Flutter codebase.
About
Clean architecture.
Measurable results.
I'm a Computer Science Engineering student at Lovely Professional University, specializing in mobile development with Flutter and native Android. I care about performance, clean architecture and the small UX details that make an app feel right.
0%faster UI responsiveness
0%more call participation
0%faster bug resolution
0%app performance boost
Results from my internship at SpeakX.
Experience
SDE Intern at SpeakX
I worked on SpeakX's AI-powered learning app, across Flutter and native Android.
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Engagement and retention
Feature and UX improvements across the learning app.
+25% engagement+18% retention -
Riverpod state management
Scalable, modular state for real-time content updates across app modules.
+30% UI responsiveness -
Full-screen call notifications
Built in native Android for real-time AI calls, plus custom notification layouts with progress bars.
+40% call participation -
Error tracking with Sentry
Monitoring for frame drops, frozen frames, ANRs, app hangs and cold and warm start times.
−45% bug resolution time -
Tracing with OpenTelemetry
Latency tracing and performance metrics for real-time monitoring.
−20% response latency -
Profiling with Flutter DevTools
Deep performance profiling that identified memory leaks.
+35% app performance
My apps
Six offline apps.
One Flutter codebase.
Everyday Android apps that work offline with no login. All six are built from a single Flutter project with Riverpod, sharing one core for ads, consent, storage and settings.
In development · coming to Google Play
02
Sudoku
Large-print sudoku with a daily puzzle that is the same for every player. Every board has exactly one solution.
03
Sensor Toolbox
Bubble level, compass, ruler and angle finder in one small app. Only the tool on screen uses its sensor.
04
PDF Toolkit
Scan documents, turn photos into PDFs, then merge, reorder and compress them. Files never leave the phone.
05
Minesweeper
Boards you can solve with logic alone, so you never have to guess. Includes a daily board and zoom for large grids.
06
2 Player Games
Tic-Tac-Toe, Four in a Row, Reversi, Dots and Boxes, and Snakes and Ladders. Play a friend on one phone, or the computer.
Projects
Things I've built
SkyGuru Weather App
Real-time weather from the OpenWeather API, with location-based data, unit switching, light and dark mode, interactive maps, extreme-weather alerts and offline caching.
Source on GitHubPlayIntegrity Checker
A native Android app that uses the Google Play Integrity API to check device and app authenticity in real time, and shows clear status and next steps.
Source on GitHubKrishiEShop
An e-commerce Android app that connects farmers directly with consumers, cutting out intermediaries. I led the team that built it for Smart India Hackathon 2024.
Source on GitHubSkills
My toolkit
Languages
Frameworks and libraries
Tools and platforms
Achievements
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Sep 2024
Smart India Hackathon
Led a team to build KrishiEShop, a Flutter e-commerce app that connects farmers directly with consumers.
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Nov 2022
Capture The Flag, Top 20
Team leader in a CTF event, coordinating the team across a range of cybersecurity challenges.
Education
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2022 – Present
B.Tech, Computer Science and Engineering
Lovely Professional University, Jalandhar, Punjab
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2020 – 2022
Senior Secondary School
Khadimul Islam Inter College, Patna, Bihar
Contact
Let's build
something.
Have a mobile app idea, a role, or a project that needs a Flutter or Android developer? Email me and I'll reply.