Hi, I'm Sagar
Flutter & Vue.JS Developer
Hi, I'm Sagar
6 years of mobile development experience, currently expanding into
modern web development. Passionate about creating exceptional user
experiences across mobile and web platforms.
🌐 My Development Learning Journey
With 6+ years of mobile development experience and
5 years specializing in Flutter, I'm now expanding
my expertise into full-stack web development. As a Senior Software
Engineer at CriticalStart, I've successfully published the
livelyness_detection
Flutter package for advanced facial detection capabilities.
This learning dashboard tracks my strategic transition from cross-platform mobile development to comprehensive web technologies including HTML5, CSS3, JavaScript ES6+, Vue.js, and modern DOM manipulation techniques. My goal is to become a versatile full-stack developer, leveraging my solid mobile foundation to create seamless user experiences across all platforms.
This learning dashboard tracks my strategic transition from cross-platform mobile development to comprehensive web technologies including HTML5, CSS3, JavaScript ES6+, Vue.js, and modern DOM manipulation techniques. My goal is to become a versatile full-stack developer, leveraging my solid mobile foundation to create seamless user experiences across all platforms.
💼 Professional Experience
Current
Senior Software Engineer
Critical Start
Sep 2024 - Present
Pune, India · Hybrid
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Key Responsibilities
- Lead cross-platform mobile app development using Flutter, iOS (Swift), and Android
- Implement Fastlane CI/CD pipelines for automated deployment
- Manage App Store Connect and Google Play Console deployments
- Integrate cloud services (Firebase, AWS, Google Cloud)
- Mentor junior engineers and conduct code reviews
- Improved test coverage by 20% and reduced deployment times by 30%
Flutter Team & Tech Lead
Doshaheen Solutions
Aug 2023 - Aug 2024
Pune, India · On-site
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Key Responsibilities
- Directed Flutter development team for cross-platform mobile applications
- Spearheaded adoption of emerging Flutter technologies and GraphQL APIs
- Mentored interns and junior engineers through technical guidance
- Collaborated with CTO on technical strategies and business alignment
- Introduced CI/CD practices (GitLab + Firebase Distribution)
- Successfully delivered multiple apps to App Store and Google Play
Senior Software Engineer
Zipdate
Jun 2022 - Aug 2023
Mumbai, India
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Key Responsibilities
- Led end-to-end project lifecycle for Flutter applications
- Oversaw large codebases ensuring maintainability and scalability
- Researched and integrated latest Flutter frameworks and libraries
- Collaborated with CTO on technical strategies and business goals
- Established QA cycles and CI/CD automation with Fastlane
- Enhanced collaboration between engineering, design, and product teams
Flutter & iOS Developer
Sunflower Lab
Feb 2020 - Feb 2022
Vadodara, India · On-site
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Key Responsibilities
- Designed and developed Flutter and iOS applications
- Enhanced app UI/UX and optimized performance
- Integrated cloud services (Firebase, Google Cloud, AWS)
- Collaborated with product managers and designers
- Shipped new iOS features using Swift and SwiftUI
- Published multiple applications to App Store and Google Play
iOS Developer
VR Software Systems
Aug 2018 - Sep 2019
Vadodara, India
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Key Responsibilities
- Developed native iOS applications using Swift and Objective-C
- Implemented MVVM architecture patterns
- Integrated REST APIs and JSON data handling
- Worked with Google ML Kit for machine learning features
- Followed Scrum methodologies and Agile practices
- Utilized Git for version control and collaboration
iPhone Developer
Dots & Coms
May 2017 - Dec 2017
Vadodara, India
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Key Responsibilities
- Developed iPhone applications using Swift and Objective-C
- Implemented mobile application architecture patterns
- Worked with Xcode IDE and iOS development tools
- Integrated REST APIs and HTTP protocols
- Applied object-oriented programming principles
- Collaborated using Jira and Git version control
🛠️ Tech Stack
📱 Mobile Development
Flutter
Dart
Swift
+3 more
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Mobile Technologies
Flutter
Dart
Swift
Kotlin
iOS
Android
Learning
🌐 Web Development
HTML5
CSS3
JavaScript
+3 more
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Web Technologies (Learning)
HTML5
CSS3
JavaScript ES6+
Vue.js
DOM Manipulation
Responsive Design
🔧 Tools & Technologies
Git
Firebase
VS Code
+3 more
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Development Tools
Git
GitHub Actions
Firebase
VS Code
Xcode
Android Studio
🎯 Methodologies
Agile
Scrum
TDD
+2 more
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Development Practices
Agile
Scrum
TDD
BDD
CI/CD
Progress Overview
Overall Course Progress
🎯 Building a strong foundation in modern web development technologies
HTML Fundamentals
13/13 Topics Complete
100% Complete
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Topics Covered
- HTML Anatomy & Essential Tags
- Content & Heading Tags
- Self-closing Tags
- Attributes & Classes
- Hyperlinks & Navigation
- Images & Media
- Lists & Tables
- Semantic Elements
📖 View Details
CSS Styling & Design
15/15 Topics Complete
100% Complete
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Topics Covered
- CSS Integration Methods
- Selectors & Properties
- Box Model & Layout
- Flexbox & Grid
- Colors & Typography
- Responsive Design
- Animations & Transitions
- Advanced Styling
📖 View Details
JavaScript Fundamentals
9/9 Topics Complete
100% Complete
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Topics to Learn
- Variables & Data Types
- Functions & Scope
- Arrays & Objects
- Control Flow & Loops
- Events & Event Handling
- ES6+ Features
- Error Handling
- Modern JavaScript
🚀 Start Learning
JavaScript DOM
0/12 Topics Complete
0% Complete
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Topics to Learn
- DOM Selection & Navigation
- Element Manipulation
- Event Listeners
- Form Handling
- Dynamic Content Creation
- Browser APIs
- Local Storage
- AJAX & Fetch API
🚀 Start Learning
🏆 Learning Achievements
First Steps
Complete your first HTML file
Style Master
Create your first styled webpage
Deployment Pro
Deploy your site to GitHub Pages
Interactive Wizard
Add your first JavaScript functionality
DOM Manipulator
Dynamically change page content
Responsive Designer
Create a mobile-friendly website
Course Graduate
Complete all 4 modules
Full-Stack Ready
Build your professional portfolio