Chinmay Singh

Offline-first Flutter app for CKD patients to log vitals with drift (SQLite) as the local source of truth and a registry-driven SyncEngine for Supabase reconciliation.

• Built offline-first architecture with drift SQLite mirroring Supabase Postgres, including dirty-row tracking and sync cursors.
• Implemented a registry-driven SyncEngine with push/pull, last-write-wins conflict resolution, and lifecycle-triggered sync.
• Delivered auth, patient onboarding, and vitals logging for blood pressure, glucose, and weight with 20+ unit tests.

Designed, deployed, and maintained a self-managed VPS and ARM-based Linux infrastructure using Docker to run and operate self-hosted services with focus on reliability, security, and full lifecycle management.

• Implemented secure remote access using WireGuard and Tailscale for private network connectivity.
• Configured Caddy reverse proxy with domain-based routing and automated HTTPS certificate management.
• Deployed and managed containerized services using Docker and Docker Compose with Portainer for orchestration.
• Integrated AdGuard DNS filtering solutions for network-wide ad blocking and privacy.
• Managed DNS configuration through Cloudflare for custom domain exposure.

Designing a modular pipeline for document ingestion, normalization, tokenization, and indexing with clean architecture and separation of concerns.

• Implemented inverted index-based keyword search for efficient document retrieval.
• Built modular pipeline architecture with pluggable components for extensibility.
• Focused on clean architecture with separation of concerns for scalability.

Developed a modular C++ command-line application to abstract and orchestrate FFmpeg media workflows in a Linux system environment.

• Implemented argument parsing, external process execution, and structured error handling.
• Designed with focus on maintainability and extensibility for future GUI transition.
• Built in C++ for performance and learning systems programming fundamentals.

Collaborated in a team to integrate multiple AI components into a cohesive system under competitive time constraints.

• Contributed to coding, debugging, and subsystem integration across the full stack.
• Advanced to the penultimate round of the competition.

Designed and implemented backend logic and database schema for user authentication and role-based access control.

• Built authentication logic and role-based access concepts with a MySQL backend.
• Developed frontend using HTML, CSS, and JavaScript for the admin interface.
• Supported the complete software lifecycle including development, testing, debugging, and issue resolution.