Case studies, written the way I think about them: problem, approach, impact.
background-job-system · 2026-07
Designed and built the background-job subsystem for the Partners.com.bd marketplace backend (.NET, ASP.NET Core, SQL Server) — a dedicated Hangfire worker with an atomic-enqueue outbox, a dead-letter queue, idempotent handlers, least-privilege SQL isolation, and OpenTelemetry-based observability. The single place all async work now lives.
[dotnet][hangfire][distributed-systems][reliability]
startup-success-prediction · 2025-09
Ensemble ML that predicts startup viability from key attributes, for data-driven founder and investor decisions.
[machine-learning][ensembles][scikit-learn]
multi-output-cnn · 2025-09
One shared feature extractor, three specialized heads — simultaneous demographic estimation from facial images on UTKFace.
[computer-vision][cnn][tensorflow][multi-task]
kioskvisionai · 2025-06
Cloud-native distributed app that watches a fleet of donation kiosks with Azure Vision AI — orchestrated by .NET Aspire, deployed by generated GitHub Actions.
[dotnet-aspire][azure][vision-ai][microservices]
salesforce-sync-platform · 2025-03
Automated integration platform keeping payment systems and Salesforce CRM in sync — daily jobs, custom mappings, retries, and error recovery instead of manual entry.
[salesforce][integration][automation][dotnet]
ach-payment-integration · 2025-01
Secure ACH, Apple Pay, and Google Pay payment workflows for donation kiosks and recurring billing across Stripe and Authorize.Net.
[stripe][authorize-net][payments][dotnet]
remote-kiosk-management · 2024-08
Web portal for live monitoring and remote control of donation kiosk fleets.
[rest-api][dotnet][monitoring]
data-import-automation · 2024-04
Automated SQL Server pipelines that turn messy client Excel templates into validated production schemas.
[sql-server][pipelines][automation]
quantum-machine-learning-thesis · 2022-08
Undergraduate thesis (CSE499, North South University, supervised by Dr. Mahdy Rahman Chowdhury): a state-of-the-art review of quantum machine learning plus head-to-head MNIST experiments — a 4-qubit quanvolutional network and a continuous-variable photonic QNN against classical baselines.
[quantum-ml][pennylane][quanvolution][cvqnn]
bangla-pos-tagging · 2022-08
Directed research (CSE498, North South University, supervised by Dr. Nabeel Mohammed): fighting severe class imbalance in Bangla POS tagging by distilling a decision tree's leaf-node "dark knowledge" into a neural student — the reverse of the usual distillation direction.
[nlp][bangla][bert][knowledge-distillation]