Surinder Singh
Senior Mobile Application Developer (Android And React-native)
Yamuna Nagar
Summary
Accomplished Senior Mobile Engineer with over 9 years of experience developing scalable mobile applications in Kotlin, Java, and React Native. Expertise in mobile platform engineering, CI/CD pipelines, crash monitoring, and secure API integrations. Delivered applications across various domains, including EV charging and transportation, while ensuring compliance with FedRAMP security standards.
Overview
15
15
years of professional experience
Work History
SENIOR ANDROID ENGINEER
Blink Charging Software Solutions India Pvt Ltd
Noida
07.2022 - 12.2025
- Developed and maintained a large-scale EV Charging Mobile Application enabling users to locate charging stations, start/stop charging sessions, monitor real-time charging status, and securely complete payments.
- Enhanced mobile app store rating from 2.5 to 4.1 by stabilizing production issues and optimizing performance, resulting in increased user satisfaction.
- Resolved intermittent charger connectivity and state sync issues between charger firmware and mobile app, improving user experience and reliability.
- Diagnosed and resolved intermittent charger connectivity and state sync issues between charger firmware and mobile app.
- Implemented Firebase Crashlytics to monitor charger-session crashes, identifying device-specific issues and reducing crash rate by 20%.
- Designed analytics instrumentation and ensured analytics parity between Android and iOS for charging session metrics.
- Integrated Firebase AppCheck and reCAPTCHA validation to prevent API abuse in guest charging sessions.
- Collaborated with backend teams (Java/Node.js) to align API contracts, improve response reliability, and handle errors.
- Contributed to CI/CD automation pipelines for Android and iOS builds using Bitrise, Xcode Cloud, GitHub Actions, and Bitbucket Pipelines.
- Worked on FedRAMP-compliant mobile platforms adhering to strict security, compliance, and data protection standards.
SENIOR ANDROID ENGINEER
GNXT Systems Pvt Ltd
Noida
06.2022 - 06.2022
- Stabilized and enhanced legacy Blink Charging Mobile App (v1.0) codebase, improving overall app performance.
- Diagnosed and resolved critical payment workflow issues, increasing transaction success rate and minimizing session failures.
- Fixed inconsistencies in real-time charging station live status, ensuring accurate charger availability and reliable session updates.
- Implemented Firebase Crashlytics to proactively monitor production issues and reduce app crash rate.
- Fixed real-time charging station live status inconsistencies, enhancing reliability of charger availability and session updates.
SENIOR ANDROID DEVELOPER
Techryde Pvt Ltd
Noida
06.2019 - 06.2021
- Order Taker App: Developed enterprise-grade mobile application for waitresses in USA/Canada/UK restaurant industry, enabling order taking, table merging, kitchen routing, and payment collection via Pin-pad (Shift4 payment gateway); synced orders across tablets using Firebase Realtime Database.
- Quick Order App: Created self-ordering system for tables in restaurant chain (Dimsum) in Philippines; synchronized menu updates in real time using MQTT to manage out-of-stock items effectively.
- Utilized Firebase Crash Analytics, RxJava, Android WorkManager, Dagger, and SQLite for robust local database operations.
- Worked on-site with PizzaHut UK, gaining global technology exposure and direct client interaction experience.
SENIOR ANDROID DEVELOPER
Smart IT Ventures Pvt Ltd
ROPAR
10.2017 - 05.2019
- MTR Transit: Developed real-time public transportation tracking app for Santo Domingo, enhancing user experience with accurate bus tracking and ETA predictions using RxJava, Retrofit, and Dagger.
- My Taxi Ride Driver App: Migrated 5-year-old Eclipse project to modern Android SDK and FCM, integrating Driver License Expiration checks, SIP calling, fare collections, and guided voice commands for 20K+ NY drivers.
- Hello Car: Built taxi booking app in Peshawar Pakistan supporting various vehicle types, Google Maps integrations, and client referral workflows via Firebase deep linking.
- Hello Car: Created taxi booking app in Peshawar, integrating various vehicle types, Google Maps, and client referral workflows via Firebase deep linking to improve user engagement.
ANDROID DEVELOPER
Tink360 Solutions Pvt Ltd
Chandigarh
08.2016 - 09.2017
- StreamLine TV: Developed IPTV application for STB devices with Android TV 6.0 in USA/Canada, utilizing FFmpeg for dynamic video quality and aspect ratio adjustments.
- ECAR-UP: Created electric bike and car charging finder app in Sweden, enabling users to locate nearest stations and facilitating online PayPal payments.
- CMG Work App: Built work hours tracker app for field workers in Spain, integrating secure local pause tracking and implementing automatic anti-tampering time check validations.
ANDROID DEVELOPER
Techwin Labs LLP
Mohali
08.2015 - 05.2016
- Matrix Hair Pro App: Developed consultant guidance app for call centers, managing database of 400 product combinations and designing custom widgets to enhance user experience.
- Encourage App: Integrated motivational quote platform with Parse Server backend, optimizing push notification routing and user profile management for improved engagement.
- Developed and maintained high-performance Android applications using Kotlin and Java.
- Collaborated with cross-functional teams to define, design, and ship new features.
- Implemented robust testing frameworks ensuring code quality and performance optimization.
FIELD SUPPORT ENGINEER
HCL Services Ltd (Telecom Domain)
Dehradun
04.2015 - 09.2015
- Delivered field support for local EPABX machines, troubleshooting various PBX system cards to ensure operational reliability.
- Diagnosed and resolved technical issues in telecom systems, ensuring minimal downtime.
- Collaborated with cross-functional teams to implement system upgrades and enhancements.
- Provided on-site training and support to clients on telecom equipment and software usage.
OPTIMIZATION AND PLANNING ENGINEER
Olympus Personnel Allied Services Pvt. Ltd
Mohali
10.2010 - 01.2013
- Resolved customer coverage complaints at Idea Telecom (Mohali), prioritizing engineer troubleshooting tasks for improved service quality.
- Enhanced 2G and 3G network site coverage while ensuring compliance with government radiation regulations.
- Developed comprehensive project plans aligning with organizational goals and resource availability.
- Coordinated cross-functional teams to ensure timely completion of project milestones.
- Implemented risk management strategies to mitigate potential project delays and budget overruns.
Education
B.TECH - Electronics and Communication Engineering
Punjab Technical University (PTU)
Jalandhar, INDIA01-2010
Skills
Mobile Platforms: Kotlin, Java, Android SDK, Architectural patterns- MVVM, Clean Architecture, Jetpack Compose, RxJava, WorkManager, SQLite, Android TV, MQTT, Android Native Development, Dagger 2, Dependency injection- Hilt, Retrofit,Material design,Adaptive layouts,App analytics,Crash reporting
Observability: Firebase Analytics, Firebase Crashlytics, FCM, Structured Logging, Production Debugging, Analytics parity, AWS CloudWatch, New Relic
DevOps & CI/CD: Fastlane, Xcode Cloud, Gradle, Bitrise, GitHub Actions, Bitbucket Pipelines, Play Console, AWS Secret Manager, Local Runners
Experience with React Native framework,JavaScript / TypeScript,New Architecture (Fabric & TurboModules),Redux Toolkit,Zustand,Axios,React Query,MMKV,React Navigation
Problem-solving, Secure Coding Practices
Honors & Trainings
2019 Global Android Community Participant, AppDevCon’19 Amsterdam, 2020 On-site Technical Consultant, PizzaHut UK Professional Deployment
Core Competencies
- Android Engineering & Architecture
- Expertise in modern Android architecture (MVVM, Clean Architecture, and modular app design).
- Strong experience with application performance optimization, custom animations, and lifecycle management.
- API & Backend Integration
- Strong experience consuming REST APIs and integrating secure services (Firebase AppCheck, reCAPTCHA, OAuth).
- Backend systems exposure including Node.js, Express, Spring Boot, Parse Server, and AWS services.
- DevOps, Compliance & Observability
- Establishing CI/CD build automation pipelines using Bitrise, Xcode Cloud, GitHub Actions, and Bitbucket Pipelines.
- Deep observability engineering: Crashlytics, Analytics parity, structured logging, and network debugging.
- Adherence to strict standards including FedRAMP compliance, GDPR/CCPA data protection, ADA/WCAG accessibility, and PCI DSS.
Timeline
SENIOR ANDROID ENGINEER
Blink Charging Software Solutions India Pvt Ltd
07.2022 - 12.2025
SENIOR ANDROID ENGINEER
GNXT Systems Pvt Ltd
06.2022 - 06.2022
SENIOR ANDROID DEVELOPER
Techryde Pvt Ltd
06.2019 - 06.2021
SENIOR ANDROID DEVELOPER
Smart IT Ventures Pvt Ltd
10.2017 - 05.2019
ANDROID DEVELOPER
Tink360 Solutions Pvt Ltd
08.2016 - 09.2017
ANDROID DEVELOPER
Techwin Labs LLP
08.2015 - 05.2016
FIELD SUPPORT ENGINEER
HCL Services Ltd (Telecom Domain)
04.2015 - 09.2015
OPTIMIZATION AND PLANNING ENGINEER
Olympus Personnel Allied Services Pvt. Ltd
10.2010 - 01.2013
B.TECH - Electronics and Communication Engineering
Punjab Technical University (PTU)