Senior Flutter and Android engineer with 8+ years of experience building and releasing scalable consumer, SaaS, healthcare, and fintech mobile applications. Strong end-to-end ownership from discovery and Figma through architecture, secure API integration, testing, app store/Google Play releases, and post-launch optimization. Brings pragmatic technical leadership and hands-on expertise across Flutter/Dart and native Android (Kotlin/Java, Jetpack Compose), with additional experience in iOS/Swift, React Native/TypeScript, and backend integration (Spring Boot/Node.js). Experienced with real-world Bluetooth/BLE, location services, and real-time data workflows.…

Navdeep Singh

Senior Flutter and Android engineer with 8+ years of experience building and releasing scalable consumer, SaaS, healthcare, and fintech mobile applications. Strong end-to-end ownership from discovery and Figma through architecture, secure API integration, testing, app store/Google Play releases, and post-launch optimization. Brings pragmatic technical leadership and hands-on expertise across Flutter/Dart and native Android (Kotlin/Java, Jetpack Compose), with additional experience in iOS/Swift, React Native/TypeScript, and backend integration (Spring Boot/Node.js). Experienced with real-world Bluetooth/BLE, location services, and real-time data workflows.…

Available to hire
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Skills

Experience Level

Flutter
Expert
Android
Expert
Dart
Expert
API
Expert
Kotlin
Expert
Leadership
Expert
React Native
Intermediate
TypeScript
Intermediate
Node.js
Intermediate
Spring
Intermediate
SQL
Intermediate
Swift
Intermediate
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Language

English
Advanced
Hindi
Advanced

Work Experience

Senior Flutter & Mobile Engineer (Freelance) at Freelance
January 1, 2024 - Present
Delivered mobile, web and API products for international clients across fitness, social, fintech, ecommerce and energy management. Owned Flutter/Dart and native mobile delivery end-to-end from Figma designs to scalable, accessible features using clean architecture and maintainable state management. Built consumer experiences with integrations including secure REST APIs, Firebase, push notifications, and data-rich user flows. Delivered Android/Kotlin features using Jetpack Compose, Coroutines, Flow and Hilt/Dagger when native platform integration or performance was required. Managed App Store/Google Play releases, CI/CD pipelines, and post-release issue resolution; collaborated directly with founders, product managers, designers, and backend teams.
Senior Mobile Engineer at ShiftOne
January 1, 2022 - December 1, 2023
Worked on B2B SaaS employee engagement and performance-management platform for distributed organisations. Maintained and evolved the production mobile codebase to deliver new features while improving architecture, performance, crash resilience, and long-term maintainability. Modernised legacy Android components from Java/RxJava to Kotlin/Flow using MVVM, clean code practices, testing, and dependency injection. Collaborated with Agile product, design, QA, and backend teams; contributed to CI/CD, code review, mentoring, and technical decision-making.
Mobile Engineer at ScoopWhoop
January 1, 2019 - December 1, 2021
Built and shipped high-performance Android features at 1M+ daily active user scale. Integrated REST APIs, push notifications, and content delivery while protecting app stability and user experience. Partnered with product and design on mobile-first UI improvements. Supported frequent Google Play releases and iterated using analytics-led performance improvements.
Mobile Developer at KareXpert
January 1, 2018 - December 1, 2018
Integrated Bluetooth/BLE and IoT medical devices into mobile applications to securely synchronise real-time patient vitals for AI-powered healthcare/HIMS/EMR/telemedicine products. Developed an Uber-style ambulance request and live-tracking workflow combining Google Maps/location services, secure REST APIs, real-time dispatch workflows, and background state handling.

Education

MSc, Business Analysis & Consultancy at University of Hertfordshire
January 1, 2021 - January 1, 2022
BE, Computer Science at Giani Zail Singh Campus College of Engineering and Technology
January 1, 2014 - January 1, 2018

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Healthcare, Financial Services, Consumer Goods, Professional Services

Skills

Experience Level

Flutter
Expert
Android
Expert
Dart
Expert
API
Expert
Kotlin
Expert
Leadership
Expert
React Native
Intermediate
TypeScript
Intermediate
Node.js
Intermediate
Spring
Intermediate
SQL
Intermediate
Swift
Intermediate
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