High-reliability transactional payment processing engine with ACID compliance, Address Verification System (AVS), ISO-3166 normalization, and cryptographic idempotency.
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Updated
Oct 28, 2026 - TypeScript
High-reliability transactional payment processing engine with ACID compliance, Address Verification System (AVS), ISO-3166 normalization, and cryptographic idempotency.
Production-grade immutable double-entry accounting ledger enforcing strict ACID balance invariants and audit trails.
A transactional, disk-based B-Tree storage engine built from scratch in pure Python. Features custom 8KB memory paging, secondary indexing, and a Write-Ahead Log (WAL) for ACID crash recovery.
MySQL database schema for a mobile payment service (like Cash App or Venmo), built as part of a bachelor thesis. Includes user management, transactions, and services.
Next-Gen C-based Embedded Database and JSON I/O Engine with ACID transactions and high-speed indexing.
Immutable double-entry accounting ledger and balance reconciliation engine with Serializable ACID isolation, ISO-4217 precision, and cryptographic hash-chaining.
A Python command-line utility for relational inventory management and analytics using an ACID-compliant SQLite database.
Neobank implementation in Java and Springboot
A production-grade double-entry ledger system for fintech, featuring ACID compliance, optimistic locking, and immutable journaling.
A high-performance, immutable core banking engine in Go. Implements CQRS and Event Sourcing with a Transactional Outbox pattern to guarantee ACID consistency and auditability.
A FUSE-based filesystem implementing content-defined chunking and deduplication in Rust.
A deterministic, ACID-compliant Primary Market Book Building Engine capable of handling concurrent bidding, dynamic price discovery, and auditable pro-rata allocation.
Enterprise Logistics Control Tower database featuring Automated Audit Triggers, ACID transactions, and Time-Series Analytics.
A secure banking API with ACID compliance, immutable ledger tracking, JWT authentication, and idempotent transactions built with Node.js and MongoDB.
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