Jul 2021 – Jun 2025 · 3 yrs 11 mos · Remote

• Operated at Staff-level scope across mobile architecture and cross‑team technical leadership, reporting to Senior Director and working across iOS, React Native, and backend systems.
• Served as Tech Lead for 3 squads totaling 30+ team members: Lease Mobile, Hardware Access, and Access. Each squad included 10-11 members (PMs, QAs, Designers, Engineers, EMs). Drove architecture, delivery, and team effectiveness across mobile and platform layers.
• Promoted based on cross-team leadership, consistent delivery, and long-term system ownership.
• 🚪 Access (Sep '23–Jun '25)
• Led mobile delivery across React Native, Swift, Kotlin, and GraphQL for 10-11 person squad
• Reduced integration time for new partners from 6+ months to 4-6 weeks, directly impacting GTM
• Authored ADRs for technical decisions and onboarding docs to support system clarity and scale
• Drove cross-functional alignment with CX, platform, and vendors to debug and unblock roadmap-critical features
• Mentored engineers across squads and coordinated delivery across multi-squad team members
• Coordinated with offshore development teams and third-party vendors for technical integrations
• 🖨 Hardware Access (Feb '23–Oct '23)
• Designed and shipped a tablet-based React Native app from scratch for 10-11 person squad
• Integrated Go services, native SDKs, and MDM tooling
• Authored ADRs and guided multi-team delivery of credential workflows
• Supported CI/CD modernization and onboarding for new engineers
• 📱 Lease Mobile (Core iOS) (Jul '21–Jan '23)
• Technical Lead for core iOS leasing app with 10-11 person squad
• Migrated CI/CD from CircleCI to GitHub Actions, improving delivery stability
• Improved crash-free rate to 99.7% and increased test coverage from ~45% to 80%+
• Led Swift package migration and cleaned up legacy architecture
• Mentored team members across squads, led hiring interviews, and improved onboarding
• Partnered with product and platform to improve delivery speed and long-term code health

Jul 2020 – Jul 2021 · 1 yr · Toronto, Ontario, Canada · Remote

• Shipped the first version of the Playlog iOS app to the App Store and led iterative development in a fast-paced startup environment. Worked closely with product, design, and backend teams to deliver media-rich features and build a solid native foundation.
• Developed and released the v1 iOS app using Swift, UIKit, and Core Data
• Built features for image, audio, and video capture, editing, and playback
• Implemented multi-language support and offline persistence using Core Data
• Collaborated with DevOps to automate CI/CD pipelines using Bitrise and GitLab
• Participated in feature planning, requirement analysis, and team-wide delivery coordination

May 2019 – Jul 2020 · 1 yr 2 mos · Toronto, Ontario, Canada

• Led iOS development for 500px iOS app, a high-traffic, image-heavy consumer app. Partnered with product, design, and backend teams to deliver new features, modernize legacy architecture, and improve development velocity through automation and system cleanup.
• Built and maintained Swift-based features across core product areas using UIKit
• Migrated legacy Objective-C code to Swift, improving modularity and unit test
• coverage
• Drove architectural improvements through modularization and refactoring
• Automated CI/CD pipelines using Fastlane, TravisCI, Danger-Swift, SwiftFormat, and TestFlight
• Mentored junior engineers and set technical direction for iOS best practices
• Helped translate product requirements into scoped, maintainable technical solutions

Mar 2016 – Feb 2019 · 2 yrs 11 mos · Dhaka, Bangladesh

• Led iOS development for SmartMed, a healthcare platform integrating BLE medical devices. Built the app from the ground up using Objective-C and Swift, partnered with backend and DevOps to shape system architecture and automation, and helped establish engineering practices that improved quality and delivery.
• Architected the iOS app and integrated Core Bluetooth medical hardware
• Designed CI/CD pipelines with Jenkins, Fastlane, and GitLab
• Led efforts around code quality, testing, documentation, and developer onboarding and mentoring
• Participated in agile planning and cross-functional delivery

Mar 2016 – Feb 2019 · 2 yrs 11 mos · Dhaka, Bangladesh

• The role and responsibilities are the same for ZS Solutions Ltd, Appdragon Ltd and The SmartIdeas Group as The SmartIdeas Group is the parent company of the other two.

Mar 2016 – Feb 2019 · 2 yrs 11 mos · Dhaka, Bangladesh

• The role and responsibilities are the same for ZS Solutions Ltd, Appdragon Ltd and The SmartIdeas Group as The SmartIdeas Group is the parent company of the other two.

Mar 2015 – Feb 2016 · 11 mos · Dhaka, Bangladesh

• Built and maintained the iOS client for an ERP software platform using Objective-C. Worked closely with backend engineers to improve performance and streamline API responses. Contributed to architectural improvements and helped make the mobile codebase more modular and maintainable.
• Developed reusable UI components and adaptive service modules
• Collaborated with backend to restructure APIs for performance gains
• Participated in agile planning, retros, and daily standups as part of a cross-functional team

Oct 2014 – Jan 2015 · 3 mos · Dhaka, Bangladesh

• Developed mobile applications for the iOS platform using Objective-C. Focused on feature implementation and UI development as part of the mobile engineering team.

Dec 2011 – Sep 2014 · 2 yrs 9 mos · Dhaka, Bangladesh

• Developed multiple iOS applications using Objective-C and collaborated on backend API development. Gained hands-on experience with the full mobile development lifecycle across a variety of app projects.
• Built and maintained native iOS apps for client and internal use
• Worked with RESTful APIs and contributed to integration and backend coordination
• Supported full release cycle including development, testing, and deployment