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Saurabh  S.

Saurabh S.

Mobile | Full Stack Developer

🌟 Top-Rated Plus 🌟 100% Job Success Score 🌟 Rising Talent I'm a full-stack Software Engineer with 5+ years of experience building production mobile apps, web platforms, and backend services. I specialize in Android (Kotlin/Java), iOS (Swift), and hybrid frameworks like Capacitor and Electron, Backend (Spring Boot/Node/PHP Laravel, CodeIgniter), FrontEnd (React.js/Vue.js), DevOps(Docker,K8s,Cloud-AWS/GCP) — delivering end-to-end solutions from architecture to deployment. Strengths & Skills 📱 Mobile Development: Native Android (Kotlin/Java), iOS (Swift), and cross-platform with Capacitor and React Native 💻 Web & Backend: React, Vue.js, Angular, Node.js, Spring Boot, PHP (Laravel, CodeIgniter) 📞 VoIP & Real-time Communication: PJSIP, Acrobits SDK integration for voice, video, and multimedia ☁️ Cloud & DevOps: AWS, GCP, Docker, Kubernetes, Helm, Jenkins 🎯 Tech Lead: Requirements analysis, architecture design, and leading full-stack teams Notable Projects 📚 Kiwix Android App — Core maintainer of the open-source offline reader (millions of users); Kotlin, ZIM compression, MVVM ☎️ Telebroad — Cloud PBX platform: native iOS/Android and hybrid apps with VoIP integration (PJSIP, Acrobits) 🚚 Drop Technologies — Tech lead for last-mile delivery platform (backend, frontend, mobile) 👨‍👩‍👧 Chirp Family — Child safety app with KMM, low-level system APIs, and custom OS integration 🛠️ Simple Mobile Tools — Open-source contributions to clock and contacts apps Education 🎓 Bachelor of Computer Applications, DIT University (2018–2021) I focus on clean code, scalable architecture, and on-time delivery. I’ve worked across e-commerce, ed-tech, logistics, and unified communications. Let’s discuss your project. Thank you in advance for your time and consideration. 📱 Mobile & Multiplatform ⚙️ Android core: Java/Kotlin, Android SDK/NDK, Jetpack (WorkManager, Room, Navigation, Lifecycle), MVVM/MVP/Clean Architecture 🔗 Cross-platform + integrations: Kotlin Multiplatform, Capacitor/Electron-ready patterns, Firebase (Auth, Firestore, Functions, Messaging, Storage, Crashlytics, Performance, Remote Config), Retrofit/OkHttp, ExoPlayer, Glide, social logins, third-party SDKs 🧪 Quality & reliability: RxJava/Coroutines, Hilt/Dagger/Toothpick DI, Proguard/R8, linting (Lint/Ktlint/CheckStyle), Crashlytics/Instabug/LeakCanary, JUnit/Mockito/Espresso 🌐 Web & Backend 🧱 Frontend stack: JavaScript + React.js, REST/JSON/XML APIs, Google APIs (Maps, Drive, Tasks, Places) 🧰 Backend + services: Firebase Cloud Functions, Realtime Database, Cloud Messaging, scripting/automation, IoT software bridges ⚙️ DevOps & Scale ☁️ Infrastructure: Containerization, virtualization, cloud computing, networking & security best practices 🚀 Delivery: CI/CD pipelines, deployment automation, release readiness, software installation & updates 🔎 Stability & performance: Monitoring, observability (Crashlytics, LeakCanary), tuning, maintenance automation scripts

🇮🇳Dehradun, India$20/hr100% JSS4.99 (3)Since May 2023

Earnings and projects

MRR
$5

Last 6 months ÷ 6

World#176,633 / 412k
🇮🇳Country#18,657 / 45.9k
Revenue, last 30 days
$0

Last 6 months: $31

Total earnings
$28k

Billed in all: $29k

World#116,496 / 412k
🇮🇳Country#16,305 / 45.9k
Per project
$4.6k

$31 in the last 6 months

World#37,697 / 412k
🇮🇳Country#4,195 / 45.9k
Projects, last 6 months
1
0% fixed100% hourly
World#128,095 / 412k
🇮🇳Country#14,379 / 45.9k
Projects in all
6
33% fixed67% hourly
World#250,292 / 412k
🇮🇳Country#31,808 / 45.9k

Earnings, last 30 days

$29.1kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$28.5k$29.0k$29.5k$30.0kOct 9Oct 24Nov 8

Skill rankings: Top 28% in Java

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