Backend engineer in Dhaka, six years across banking, fintech and health platforms — the last three on backend and infrastructure. Mostly Spring Boot on Kubernetes, and the integration work that keeps new products talking to the systems underneath them.
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Toffee BANGLALINK · VIDEO STREAMING Lifted streaming quality and app performance by roughly 30% through refactoring, and wired in four analytics streams across acquisition, attribution, engagement and retention. ~30% faster
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MyBL BANGLALINK · SELF-CARE TELECOM Optimised list rendering with RecyclerView across the app's screens, lifting scroll performance, and standardised accessibility identifiers so QA could automate against them. 10M+ downloads
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Pocket eWallet BASHUNDHARA GROUP · DIGITAL WALLET Spring Boot microservices on Kubernetes. Bank transfer, card transfer and beneficiary management, plus eKYC with liveness detection. 50,000+ downloads
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AB Direct AB BANK · RETAIL BANKING Brought Bangladesh Bank's IDTP interoperable payment rail into the platform, adding interbank transfer to retail banking. 100,000+ downloads
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Unet UNITED COMMERCIAL BANK · RETAIL BANKING Designed trust-cum-settlement handling across backend and client, and carried it through user testing. 100,000+ downloads
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Reaction Engine SDK BANGLALINK · IN-APP ENGAGEMENT Three configurable interaction types delivered over WebSockets and REST, taking a self-care app from no in-app reactions to a configurable engagement layer. 3 interaction types
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| Library | What it does | Stars |
|---|---|---|
| Sloop | Database toolkit: everyday operations, mirroring, backups, traffic monitoring, and multi-database sync on a cron or in realtime. Native on Windows, Linux and macOS. |  |
| Android Popup Dialog | Popup dialogs with and without animation. |  |
saadahmedev.com · saadahmedsoft@gmail.com · LinkedIn · LeetCode · Stack Overflow