Projects

Full-stack employee management system with geofenced attendance verification, JWT authentication, role-based access control, audit logging, and a shared backend consumed by both a React employer dashboard and an Android employee client.

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Invoice ingestion pipeline with presigned S3 uploads, ECS-based parsing, and a controlled parse-then-apply workflow protected by DynamoDB transactional idempotency.

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Spring Boot backend for submitting, approving, provisioning, revoking, expiring, and auditing access to internal resources, with role-based authorization, JWT authentication, Flyway-managed PostgreSQL schema migrations, and automated test coverage.

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Self-hosted infrastructure stack with reverse proxying, monitoring, secrets management, encrypted backups, file storage, and Ansible-based deployment, built to document practical Linux and operations workflows.

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Multithreaded benchmarking harness for post-quantum signature schemes with configurable concurrency, message sizes, and cache-eviction support to simulate more realistic signing and verification workloads.

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