Schema, screen, test, deploy. Boring parts included.

Master's thesis · 2025

Enhancing the Integrity of Algeria's Social Security System: Addressing Fraudulent Activities through Blockchain Technology

A Hyperledger Fabric network for Algeria's social security system, with an endorsement policy per transaction.

Degree: Master GLSD
Institution: University of Biskra
Year: 2025
Stack: Hyperledger Fabric, Node.js, Next.js, Hyperledger Caliper

Selected work

Store home page: the featured Technics SL-1200 MK5 panel with a currently-sold-out notice and a photograph of the turntable, above a New this month row of four from-priced tiles under the label Eight recent additions.

E-commerce platform

A hosted storefront whose sandbox checkout moves an order to PAID through a signed Stripe webhook, with stock decided under concurrency.

Next.js, TypeScript, PostgreSQL, Prisma, Stripe

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Pipeline demo page at rest: three action cards — Run the gates, Ship a bad image and Roll back — beside a Live panel that reports no action running, a recent-runs table, and a footer naming the live and previous deploys.

CI/CD pipeline with gates that block and a recorded rollback

Eight PR gates feed one required ci-ok check; the demo page starts the gate run, ships a bad image, and redeploys the previous release.

GitHub Actions, Docker Buildx, Trivy, Fastify, PostgreSQL

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Marginalia

Ask a hosted reader a question about a PDF corpus and get claims whose quotes are verbatim, highlighted on the page, with an inspectable retrieval trace and a calibrated refusal.

Python 3.12, FastAPI, PostgreSQL 16 + pgvector, React + Vite, PDF.js, ONNX Runtime

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