Adept Software Developer with a proven track record at Tezo Digital and many others, specializing in Flutter, Android and Spring Boot. Excelled in cross-functional collaboration and client management, significantly enhancing project delivery through effective time management. Skilled in coding and fostering teamwork, consistently meeting tight deadlines and client requirements.
Hi, I’m
Subham Biswas
Software Developer
Kolkata
Summary
Overview
4
years of professional experience
1
Certification
4
years of post-secondary education
Work History
InnofiedKolkata
Software Engineer - Level 3
07.2025 - Current
Job overview
- Contributing to AllRide, a multi-tenant cab booking product supporting private transfers, shared rides, ride-hailing, and pickup & delivery across 2 mobile applications (Driver & Customer).
- Developed and maintained multiple white-labeled clients along with the core product version.
- Designed and implemented 10+ new features and enhancements, improving ride booking flow, user engagement, and operational efficiency.
- Resolved 50+ production bugs and performance issues, reducing crash rates and improving app stability across Android and iOS platforms.
- Built and customized dynamic UI components to support multi-brand white-label architecture, enabling faster onboarding of new clients.
- Developed a Python automation script to streamline branding and configuration processes, reducing manual setup time by approximately 60–70% per client deployment.
- Implemented and maintained Role-Based Access Control (RBAC) logic to manage permissions across different user roles and client environments.
- Automated build and release pipelines using Fastlane, reducing deployment time by 40% and minimizing manual release errors.
- Managed end-to-end mobile app deployment lifecycle including versioning, code signing, store compliance, and releases to Google Play Store and Apple App Store.
- Collaborated with cross-functional teams (Backend, QA, Product) in an Agile environment to deliver releases on schedule with improved feature turnaround time.
- Participated in 5+ client demo and stakeholder meetings, presenting product capabilities, technical workflows, and customization options.
- Leveraged AI-assisted development tools (ChatGPT, Claude, Kiro, Cursor) alongside manual coding to improve debugging speed, code optimization, and overall development productivity by an estimated 30%.
Fortmindz Private LimitedKolkata
Software Engineer
10.2024 - 05.2025
Job overview
- Developed scalable and maintainable code, ensuring long-term stability of the software.
- Integrated new technologies into existing apps, increasing capabilities and improving overall performance.
- Developed reusable components that significantly reduced development effort on multiple projects.
- Implemented effective debugging strategies, resulting in fewer software defects and increased reliability.
- Developed and maintained 2 mobile apps using Flutter.
- Worked on publishing apps on play store and app store . Resolved the store policy related issues .
Tezo Digital (Formerly Technovert Solutions)Kolkata
Product Engineer
11.2022 - 07.2024
Job overview
- Developed and maintained 3 cross-platform mobile applications using
Flutter. - Migrated 3 production-ready apps to null safety version of Flutter.
- Collaborated with senior developers to troubleshoot and resolve technical issues, Leading to 50% increase in learning and productivity.
- Involved in initial project planning and worked with developer teams,
ensuring adherence to 100% industry standards. - Coordinated with clients to understand their needs and developed
applications to meet 100% their requirements - Applied effective time management techniques to meet tight deadlines by 100%.
- Collaborated with cross-functional teams, including QA, UI/UX, and
product management, to ensure timely project delivery, ensuring 100% client satisfaction. - Increased development speed by automating repetitive tasks using scripts and tools by 50%.
- Conducted thorough market research to identify opportunities for product improvements and expansions, leading to 50% more client satisfaction.
GYTWorkzKolkata
Associate Software Engineer
11.2021 - 10.2022
Job overview
- Developed and maintained 4 cross-platform mobile applications using
Flutter. - Collaborated with senior developers to troubleshoot and resolve technical issues, leading to 25% increase in productivity and learning.
- Collaborated with cross-functional teams, including QA, UI/UX, and
product management, to ensure timely project delivery by 100%. - Developed accurate estimates and milestones, leading to 50% increase in projects delivered on time.
- Worked flexible hours across night, weekend, and holiday shifts. Leading to 33% task completion before deadline.
- Applied effective time management techniques to meet tight deadlines by 100%.
- Managed time efficiently in order to complete all tasks within deadlines.
Education
University of Engineering And ManagementIndia
Bachelor of Technology from Computer Science And Engineering
07.2018 - 07.2022
University Overview
- Awarded 2nd prize in intra college coding competition.
Skills
Flutter Dart JAVA
VS Code Android Studio Visual Studio Azure DevOps Git Postman
State Management (Riverpod, Bloc, Provider, GetX) and Design Patterns (MVVM, Clean Architecture)
PostGreSQL Hive Firebase
REST APIs Integration (Dio, Http)
Unit and Widget Testing
Multilingual apps Customized Dynamic UI App Theming
Communication Client Management Teamwork
Design Patterns (Factory, Singleton, Adapter)
Object Oriented Programming
Android Jetpack Compose Kotlin
Coroutine and Flow
Retrofit RoomDB ViewModel
Spring Boot Spring Security JPA
Timeline
Software Engineer - Level 3
Innofied
07.2025 - Current
Software Engineer
Fortmindz Private Limited
10.2024 - 05.2025
Product Engineer
Tezo Digital (Formerly Technovert Solutions)
11.2022 - 07.2024
Associate Software Engineer
GYTWorkz
11.2021 - 10.2022
Flutter and Dart - Udemy
05-2021
University of Engineering And Management
Bachelor of Technology from Computer Science And Engineering
07.2018 - 07.2022
Projects
Projects
CROI Collective App
- Health and Wellness app that is equipped with features such as Vimeo video player, mood tracking etc.
- It has feature to purchase subscription that is implemented and handled with RevenueCat.
- A Shopify store is integrated within the mobile app using Shopify flutter SDK.
- Tech Used: Flutter, BloC, MVC, Firebase firestore, firebase auth, figma.
- Play Store : https://play.google.com/store/apps/details?id=com.chloegg.yogaa
- App Store : https://apps.apple.com/in/app/croi-collective/id6689504018
Massy Stores E-Commerce Mobile App
- Developed an e-commerce mobile application, enabling users to order groceries with options for curbside pickup or local delivery.
- It includes Product listings, User reviews, Shopping cart, Orders, Wishlist, Search (text, voice, and barcode), Google Maps integration, Payment gateway integration.
- Collaborated with the offshore backend team to integrate APIs.
- Tech Used: Flutter, Riverpod, Clean Architecture, Flavors, OneSignal Notification, Firebase, Dio, Hive, Geocoding, Google Maps, Deep Links.
- Play Store: https://play.google.com/store/apps/details?id=com.massystores
App Store: https://apps.apple.com/in/app/massy-stores/id843770541?platform=iphone
LaaSy Mobile : Travel and Hotel booking mobile app
- Developed an travel and hotel booking mobile app, enabling users to book hotels, flight tickets , restaurant deals, park tickets, car rentals and much more.
- Includes Auto user location selection, location switch, searching for travel and hotel and nearby deals, downloading tickets, managing upcoming trips (Such as cancel or update), payment and user auth using email/password and SSO.
- Collaborated with backend team to integrate API.
- Collaborated with client for a better understanding of the requirements.
- Tech Used: Flutter, Riverpod, Clean Architecture, OneSignal Notification, Firebase, Dio, Hive, Razorpay.
- Play store : https://play.google.com/store/apps/details?id=com.laasy.lite&pcampaignid=web_share
BNSI : Barbados National Standards Institution Certification mobile app
- Barbados govt. certification app, similar to ISO
- Includes features such as auth, document upload, managing/tracking certification requests, downloading digital certificates.
- Collaborated with entire team in understanding the client requirements better and planning the app.
- Tech Used: Flutter, Riverpod, Clean Architecture, Dio, Hive, Razorpay.
ReFrame Engage : Smart attendance system for school that runs on mobile and iPad
- Smart attendance system, that registers student attendance by scanning a bar code / QR code from student ID card.
- Runs on mobile and iPad platform, a continuous scanner runs all the time.
- Provides a seamless experience by capturing attendance data even without internet, and automatically synchronizes it later.
- Tech Used: Flutter, BloC, MVC, Dio, Hive.
I.AM.AI : E-Commerce super app
- E-Commerce super app, one stop station for all the e-commerce .
- Has features such as travel booking, groceries, movie tickets, stocks purchasing, food ordering and dineout and many more.
- Designed and implemented an AI-powered in-app navigation system for a multi-domain e-commerce platform.
- Developed a natural language processing (NLP) feature for user intent understanding and context-aware app screen redirection.
- Tech Used: Flutter, BLoC, MVC, Figma.
- App Store : https://apps.apple.com/us/app/iamai/id1582591456