Senior Android Engineer 9+ Years of Experience Native Android Dev

Santhoshini R

Senior Android Developer Fintech & Banking Specialist

**************@*****.*** +91-880******* linkedin.com/in/santhoshini-ravichandar PROFESSIONAL SUMMARY

Senior Android Developer with 9+ years of end-to-end expertise in architecting and shipping production-grade mobile applications across Fintech, Banking, Retail, and AgriTech domains. Deep specialisation in building secure, high-performance native Android solutions for regulated financial environments — including mobile banking platforms, contactless payment modules, QR-based transactions, and biometric authentication. Proven ability to own the full SDLC — from ideation and architecture to CI/CD pipelines, Play Store deployment, and post-release monitoring. Skilled in modern Android stacks (Jetpack Compose, Kotlin Coroutines, Clean Architecture) and passionate about developer community, open-source contribution, and continuous learning. TECHNICAL SKILLS

Languages: Kotlin · Java · XML

UI: Jetpack Compose · Material Design 3 · ConstraintLayout · MotionLayout · ViewBinding Architecture: Clean Architecture · MVVM · MVI · Repository Pattern · Single Activity · Use Cases Jetpack: ViewModel · StateFlow · Navigation · WorkManager · Room · Paging 3 · DataStore · CameraX · Biometric

Async: Kotlin Coroutines · Flow · StateFlow · SharedFlow · RxJava DI: Hilt · Dagger 2 · Koin

Networking: Retrofit · OkHttp · REST · GraphQL · gRPC · Protobuf Security: SSL Pinning · FLAG_SECURE · Biometric Auth · Android Keystore · EncryptedSharedPreferences · DexGuard · ProGuard · Keycloak

Firebase: FCM · Crashlytics · Analytics · ML Kit · Remote Config · App Distribution Testing: JUnit · MockK · Mockito · Espresso · Turbine · UI Automator CI/CD: GitHub Actions · Bitrise · Fastlane · Play Store Internal Testing · Firebase App Distribution Tools: Android Studio · Flipper · LeakCanary · Charles Proxy · JIRA · Confluence · Git · Bitbucket Emerging: AAOS · Dynamic Feature Modules · App Bundles · Baseline Profiles · Compose Multiplatform PROFESSIONAL EXPERIENCE

Capgemini Technology Services India Ltd June 2022 – Present Senior Android Developer B2

Standard Chartered Bank — Native Security & Payments Modules High-security native Android modules for one of the world's top international banking brands, serving millions of retail banking customers globally.

• Owned end-to-end delivery of critical native Android modules — from requirements analysis and architecture design to QA sign-off and production release.

• Engineered a high-accuracy QR code scanning module using CameraX + ML Kit, supporting payment initiation, beneficiary onboarding, and document verification workflows.

• Implemented banking-grade screenshot and screen recording restrictions (FLAG_SECURE + WindowManager policies), safeguarding sensitive financial data across all app screens.

• Worked directly with the bank's security and compliance teams to ensure modules met PCI-DSS and OWASP Mobile Top 10 guidelines.

• Proactively identified and resolved performance bottlenecks — reduced module cold-start time by optimising initialisation flows with AppStartup.

Delivered zero-defect security modules to production, directly contributing to the app's regulatory compliance and customer trust ratings.

McDonald's — Consumer Super App

Global food-ordering and loyalty platform used by tens of millions of users — one of the highest-traffic consumer Android apps in the QSR industry.

• Led Jetpack Compose adoption across new feature surfaces, championing declarative UI best practices within the team.

• Owned the full SDLC of the Feedback Module — from stakeholder requirement gathering and UX collaboration, through development, QA automation, staged rollout, and post-launch monitoring via Firebase Analytics & Crashlytics.

• Integrated FCM-driven push notification infrastructure and BottomSheet-based in-app messaging, lifting user engagement metrics.

• Drove code quality culture through structured PR reviews, architectural guidelines, and onboarding documentation for new team members.

Feedback Module delivered on schedule with measurable uplift in user satisfaction scores and in-app interaction rates.

Agripal — Smart Farming Platform

Enterprise-grade crop advisory and workforce management app, deployed to field agents via SOTI MDM across rural connectivity environments.

• Designed and implemented Keycloak-based SSO authentication with biometric registration, enabling secure, frictionless login for field users.

• Built resilient background data sync using WorkManager, ensuring reliable offline-first operation in low- connectivity agricultural environments.

• Architected the app using Clean Architecture with strict separation of concerns, enabling independent feature team delivery.

Achieved on-time production release with seamless SOTI MDM deployment — zero rollback incidents post-launch.

Ducont India Systems Pvt Ltd Sep 2019 – June 2022

Android Developer

Maisarah — Mobile Banking App

Full-featured mobile banking platform offering digital wallet, fund transfers, contactless payments, and ATM services for a leading Middle Eastern bank.

• Architected and delivered the Tap & Pay contactless payment feature using NFC APIs and secure payment tokenisation, expanding the app's core value proposition.

• Implemented multi-language localisation and WCAG-aligned accessibility enhancements, significantly broadening the app's user reach.

• Managed end-to-end Play Store release cycles — including staged rollouts, emergency hotfix coordination, and post-release KPI monitoring.

Tap & Pay feature launched successfully, driving a measurable increase in daily active transaction volumes post-release.

Abits Pvt Ltd Feb 2019 – Sep 2019

Android Developer

ERFI — Construction Inspection App

• Architected the app from ground up; integrated real-time charts and dashboards using custom libraries for on-site project tracking.

• Produced robust technical documentation enabling smooth handover and long-term maintainability.

Delivered chart-heavy modules with zero rework, praised by client for documentation quality. Ceo Infotech Pvt Ltd Feb 2017 – Feb 2019

Android Developer

3DVOC Notification — Enterprise Chat App

• Built real-time messaging (WebSockets + FCM) and offline feedback storage, enabling seamless communication in low-connectivity environments.

• Optimised memory footprint and rendering performance for low-end Android devices, expanding addressable user base.

Offline feedback storage feature directly improved accessibility for field teams in connectivity-limited regions.

COMMUNITY CONTRIBUTIONS & THOUGHT LEADERSHIP

• Active contributor to Android developer communities — regularly sharing Jetpack Compose and Clean Architecture insights on LinkedIn, reaching a growing professional audience.

• Conducted internal knowledge-sharing sessions at Capgemini on Kotlin Flow, Hilt, and modern Android architecture patterns — accelerating team upskilling.

• Mentor to junior Android developers within project teams — providing structured guidance on architecture decisions, code reviews, and career growth.

• Stay at the forefront of the Android ecosystem through Google I/O sessions, Android Dev Summit recordings, and Kotlin/Coroutines release tracking.

• Exploring open-source contributions in Jetpack Compose UI component libraries and Android developer tooling.

EDUCATION & CERTIFICATIONS

• B.Tech in Information Technology — Anna University, Tamil Nadu, India

• Training: Agile Development · Software Architecture · Secure Mobile Development WHY HIRE ME

• 9+ years shipping production Android apps in Fintech, Banking, and enterprise domains — with a security- first mindset baked in from day one.

• Full SDLC ownership: I lead features from whiteboard to Play Store — including architecture, delivery, CI/CD, and post-release monitoring.

• Trusted by global brands (Standard Chartered, McDonald's) to deliver high-impact, zero-defect modules on time.

• A team multiplier — I elevate those around me through mentoring, code reviews, and knowledge sharing.

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