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As a key contributor to the NatWest Mobile App, architected and delivered customer-critical journeys in a multi-brand banking app serving 10M+ users, reducing build time by 40%, crash rates to less than 1%, and modernizing platform architecture for the next decade.

• Contractor - through Tata Consultancy Service from Nov 2021 - July 2023
• Staff Software Engineer from Nov 2023 - continuing

• End-to-end ownership of feature delivery of critical, high-value features including International Payments (SEPA-compliant), Domestic Transfers, and Debit and Credit Card Management, Virtual Cards, from initial architecture design to production rollout, collaborating closely with Product, Design, Backend, Security, and Testing teams to ensure business success and customer adoption. Delivered complex, time-critical features on time with a bug-to-story ratio under 5%.
• Reduced build time by ~40% by implementing Gradle Enterprise caching, precompiled plugins, modularization strategies, and multi-instance app configurations—significantly improving developer productivity and release velocity.
• Reduced crash rate to sub-1% by partnering with senior leadership and utilizing Firebase Crashlytics, ensuring stable and reliable major releases.
• Architectural leadership in transitioning the app from a legacy monolithic codebase to a highly modular, scalable Clean Architecture—supporting six distinct brands with a flavor-agnostic, brand-agnostic approach to maximize code reuse and reduce maintenance overhead. Implemented more unit tests around untested modules, leading to a 4% improvement in test coverage and overall system reliability.
• Configured and maintained CI pipelines using GitHub Actions, with prior experience on Jenkins, and adaptable to CircleCI and Firebase Test Lab-based flows.
• Led the modularisation, enabling faster delivery, safer releases, and long-term scalability; also drove the Jetpack Compose migration by leading the transformation of legacy XML/MVP screens into a modern MVVM/MVI Compose-first architecture, used coordinator-style architecture for navigation flow orchestration, building scalable, reusable UI libraries to accelerate feature development.
• Regularly mentored junior and mid-level Android engineers, conducted in-depth code reviews, guided architecture adoption, and contributed to establishing engineering best practices across multiple pods.
• Led accessibility compliance by aligning the app with WCAG 2.1 standards, enhanced app security with facial and voice biometrics through ADoS MFA, ensuring seamless multi-factor authentication (MFA) without compromising user experience.

• Owned the end-to-end delivery of critical mobile features including payments, international transfers, and debit/credit card management, directly impacting over 10 million monthly active users across NatWest, RBS, and Ulster Bank and the RBS offshore brands.
• Actively contributed to feature refinement and decision-making, collaborating with product managers, designers, and backend teams to shape scope, functionality, and technical feasibility during early sprint cycles.
• Modernized the mobile platform by migrating legacy codebases to Jetpack Compose and enforcing Clean Architecture standards, improving code reusability, test coverage, and reducing onboarding time for new developers by 30%.
• Led modularization of the Android app and developed custom Kotlin DSL-based Gradle Precompiled plugins to replace Groovy scripts, reducing build times by over 40% and significantly improving developer productivity.
• Improved app accessibility to meet WCAG 2.1 AA standards, expanding inclusivity and contributing to higher App Store ratings and enhanced public perception of the brand.
• Received the internal LOV Award and a personal note of appreciation from the NatWest Group CEO for delivering mission-critical features under aggressive deadlines with high quality and business value.
• Acted as Feature Team Lead, managing story grooming, technical design, delivery timelines, risk mitigation, and sprint reporting while coordinating across QA, DevOps, Product, and UX.
• Regularly mentored junior and mid-level Android engineers, conducted in-depth code reviews, guided architecture adoption, and contributed to establishing engineering best practices across multiple pods.
• Participated in strategic platform planning sessions and architecture reviews, aligning mobile development with enterprise goals, performance targets, and compliance regulations.
• Improved release cadence by integrating with CI/CD pipelines via Jenkins and Git, ensuring reliable weekly deployments across six product flavors with near-zero production rollbacks.
• Practiced Agile methodologies with daily stand-ups, retrospectives, and sprint planning, helping the team achieve >90% sprint goal completion rate across several quarters.
• Worked closely with product, design, backend, and security stakeholders to align on technical direction, delivery timelines, and regulatory compliance requirements.
• Set and tracked mobile-specific KPIs such as crash-free sessions, build time benchmarks, and release frequency to improve engineering velocity and stability.
• Coordinated mobile releases as part of a cross-brand release train, ensuring consistency across six NatWest Group apps with shared codebases and staggered deployment timelines.
• Participated in regular sprint planning and retrospectives, helping the team surface blockers, streamline estimation, and adjust priorities based on business input.
• Delivered high-impact features like International Payments and Card Management through tight cross-functional collaboration with QA, design, product, and backend teams.
• Used app store reviews, usage analytics, and incident reports to identify improvement areas, feeding directly into our delivery backlog for customer-centric iteration.
• Contributed to setting quarterly OKRs focused on platform stability, accessibility compliance, and delivery predictability, ensuring our objectives aligned with wider engineering and product goals.
• Leveraged Crashlytics, performance monitoring tools, and internal metrics dashboards to drive data-informed decisions about feature rollouts and tech debt prioritization.

Tech Stack: Java, Kotlin, Coroutines, Flow, Coordinators, DeepLink, AppLinks, Firebase TestLabStateFlow, RxJava, Retrofit, Dagger-Hilt, Jetpack Compose, Compose Multiplatform, XML, Robolectric, Firebase Crashlytics, Gradle Enterprise, Compose Typesafe Navigation, ADoS MFA Integration etc.

LOV Award - Twice awarded

Received for exceptional delivery of time-critical, business-critical features that enhanced brand and business value. Personally commended by Group CEO Dame Alison Rose for the first achievement.

Served as a senior mobile consultant for enterprise clients including NatWest Group, Macy’s (USA), and Boots UK, delivering scalable Android solutions across banking, retail, and healthcare domains. Led cross-functional engineering efforts, platform modernization, and release operations in globally distributed Agile environments.

• At Macy’s: Re-architected the Android app from a monolithic MVP codebase to a modular MVVM Clean Architecture, improving scalability and maintainability.
• Delivered core features including Product Catalog, Checkout, Account & Order Management using Java and Kotlin. Enhanced shopping experience with In-Store Navigation and Product Detail Page (PDP) features, increasing product discoverability and conversion rates.
• Integrated Pointr SDK for accurate in-store navigation and replaced third-party barcode scanning with Firebase ML Kit, reducing operational costs and improving performance.
• Led unit testing and code reviews, ensuring maintainability and delivery of high-quality, scalable code.

• At Boots UK: Acted as the offshore Mobile Lead, managing a team of 12 developers supporting the Mobile Service Framework.
• Owned and streamlined app publishing to the Google Play Store, managed multiple release channels, and ensured compliance with Play Store policies. Also oversaw release management and improved publishing efficiency across distributed teams.
• Suggested and implemented automation of daily operational tasks and system health checks, saving approximately 800 person-hours per year.

Tech Stack: Java, Kotlin, MVVM, Clean Architecture, RxJava, Retrofit, Dagger-Hilt, Google Play Console, XML, Espresso, JUnit, Multi-track Release Strategy, Firebase Crashlytics, Gradle Enterprise, Compose Typesafe Navigation, Maps, Google Cloud.

• Languages: Kotlin, Java – Primary languages for Android development and feature implementation.
• Architectures: MVVM, MVP, Clean Architecture, Modular Monolith – Used to re-architect legacy apps and enable scalable design.
• User Interface: Jetpack Compose, XML Layouts – Built responsive and modular UIs for shopping, payment, and account flows.
• Networking: Retrofit, OkHttp – Integrated REST APIs and handled network communication efficiently.
• Dependency Injection: Dagger Hilt – For scalable dependency management across modules.
• Persistence: Room, SharedPreferences – Used for structured and secure data storage.
• Machine Learning & SDKs: Firebase ML Kit, Pointr SDK – Enabled barcode scanning and in-store navigation features.
• Testing: JUnit, Espresso, Robolectric – Implemented unit and UI testing across multiple codebases.
• CI/CD & Build: GitLab CI, Jenkins, Gradle – Automated build, test, and deploy pipelines for release efficiency.
• App Publishing: Google Play Console, Alpha/Beta Channels, App Signing, Version Management – Led end-to-end Play Store publishing operations and compliance.
• Release Management: Release Train, Multi-track Release Strategy, Staged Rollouts, Internal Testing Tracks – Coordinated structured release cycles across distributed teams.
• Automation: System Health Checks, Operational Scripting, Build Optimization – Saved ~800 person-hours annually through intelligent automation.
• Collaboration & Process: Jira, Confluence, Agile Ceremonies – Managed offshore and cross-functional delivery in Agile teams.
• Leadership: Offshore Lead, Team Mentorship, Code Reviews – Led a team of 12 developers, shaped code quality, and delivery standards.
• Security & Compliance: Play Store Policy Compliance, App Governance – Ensured all releases met regulatory and publishing requirements.