Moin Hashmi
Senior Flutter Engineer | Mobile Technical Lead | Mobile Architect
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About
Senior Flutter Engineer and Mobile Technical Lead with 8+ years of experience building scalable, production-grade cross-platform mobile applications across Flutter, Dart, Android, Kotlin, Java, iOS, and Swift. Experienced in mobile architecture, code reviews, engineering mentorship, sprint delivery, stakeholder communication, release management, and shipping revenue-generating products from concept to production. Strong background in Clean Architecture, MVVM, Bloc, Provider, modular app design, REST and GraphQL APIs, OAuth2/JWT authentication, analytics integrations, n8n.io workflow automation, spec-driven development, and AI-assisted engineering using Codex and Claude.
Experience
Senior Software Engineer / Technical Lead - DIS Global Services
(2023-04)
- Lead Flutter and mobile architecture for two concurrent revenue-generating platforms across concept, development, testing, and production release.
- Manage and mentor a 4-member cross-functional engineering team across sprint planning, code reviews, technical execution, code quality, and delivery timelines.
- Own mobile technical roadmap, estimation, stakeholder communication, release planning, Play Console/App Store Connect coordination, and production delivery.
- Introduced spec-driven development practices using technical specifications, implementation plans, and acceptance criteria to improve clarity and reduce rework.
- Reduced feature delivery cycle time by approximately 60% by combining AI-assisted engineering workflows with structured implementation planning.
- Built backend automation workflows using n8n.io for event ingestion, workflow orchestration, and operational process automation.
- Redesigned and delivered the DIS Global Services public website using Codex-assisted development workflows, improving service positioning, portfolio visibility, and lead generation.
- Designed scalable mobile application architecture using Clean Architecture, MVVM, modular design, Bloc/Provider, secure REST and GraphQL integrations, OAuth2, and JWT authentication.
Senior Software Engineer, Remote Contract - Pavlok
(2022-06 - 2023-06)
- Contributed to migration of live native Android and iOS applications with 50K+ users to a unified Flutter and Dart architecture.
- Collaborated with a distributed international engineering team across multiple time zones using remote-first delivery practices.
- Supported architectural redesign, refactoring, testing, and release coordination to improve maintainability, delivery speed, and cross-platform consistency.
- Worked on a revenue-generating behavioral technology platform with production users.
Senior Software Engineer - DataInvent Systems
(2022-11 - 2023-04)
- Delivered production-grade Flutter and Dart applications across enterprise and consumer product domains.
- Improved REST API integration stability, backend communication reliability, and mobile app performance.
- Contributed to mobile architecture improvements, QA coordination, release planning, and production delivery processes.
Senior Software Engineer - Mobile Applications - Tenx Pvt Ltd
(2020-10 - 2022-11)
- Designed, developed, and shipped Flutter, Dart, and native Android applications in production environments.
- Applied Clean Architecture and MVVM patterns across multiple mobile projects.
- Integrated secure REST APIs, authentication systems, analytics platforms, attribution tools, and third-party SDKs.
- Supported full mobile delivery lifecycle including implementation, mobile testing, debugging, Play Store releases, and release coordination.
Software Engineer, Android - DataInvent Systems
(2018-01 - 2020-09)
- Developed consumer and enterprise Android applications using Kotlin, Java, Android SDK, and REST API integrations.
- Delivered full application lifecycle work including development, mobile testing, debugging, and Play Store releases.
- Improved user experience, app stability, and backend integration reliability.
Education
Bachelor of Science - Computer Science - The University of Lahore (2012 - 2016)

