Engineer. Architect. Partner.
I'm Mossalli Al Mamun — a Senior Mobile App Engineer who has spent 7+ years turning ambitious ideas into fast, reliable mobile products. I specialize in Flutter and React Native, with deep roots in the WooCommerce, WordPress and enterprise ecosystems.
My mission is simple: help founders and teams ship mobile products that are a joy to use and a pleasure to maintain. I bring senior-level architecture, an AI-assisted workflow, and honest, proactive communication to every engagement.
- 7+
- Years of experience
- 12+
- Countries worked with
- 30+
- Projects delivered
- 5.0
- Average client rating
Strengths that move projects forward
Architecture
Clean, feature-first, testable systems that scale.
Performance
60fps UIs, fast cold starts, lean bundles.
AI Workflow
Claude & Cursor to accelerate delivery.
Delivery
CI/CD from day one — ship in minutes.
The journey so far
From freelance developer to leading mobile for enterprise products.
- Current 2022 — Present
Senior Software Engineer
weDevs (Dokan · WP ERP) · Remote · Dhaka, BD
Lead mobile engineer for the Dokan multivendor marketplace and WP ERP suite, owning architecture, CI/CD, and store releases across iOS & Android.
- Architected the Dokan Vendor & Customer apps in Flutter with a clean, feature-first structure adopted as the team standard.
- Cut cold-start time by 43% and reduced jank to <1% frames through render profiling and image pipeline tuning.
- Shipped a fully automated Fastlane + GitHub Actions release pipeline (beta → production) reducing release effort from days to minutes.
- Introduced an AI-assisted review workflow (Claude Code) that accelerated feature delivery by ~30%.
Flutter Riverpod REST Fastlane GitHub Actions - 2020 — 2022
Software Engineer
Enterprise SaaS Studio · Remote
Built cross-platform apps for fintech and commerce clients, integrating payments, real-time data, and offline-first sync.
- Delivered the MiFinity wallet app with biometric auth, KYC flows and multi-currency support.
- Designed an offline-first sync layer that kept field teams productive on flaky networks.
- Mentored 3 junior developers and established the team's testing & code-review culture.
Flutter Bloc Firebase GraphQL - 2018 — 2020
Mobile Developer
Agency & Freelance · Fiverr · Upwork · Direct
Delivered 20+ WooCommerce and WordPress-powered mobile apps for global clients on Fiverr and Upwork with a 5-star track record.
- Built white-label WooCommerce commerce apps serving 100K+ combined downloads.
- Maintained a Top Rated freelancer status with long-term retainer clients.
- Automated app store publishing and asset generation for rapid client delivery.
Flutter React Native WooCommerce WordPress
A few fun facts
Let's work together
Have a project in mind? Book a free 30-minute consultation and let's turn your idea into a shippable, scalable mobile app.