Dheeraj C.

Kolkata, India

• •Built an LLM pipeline extracting and tracking financial tickers from live market data with 98% accuracy.
• •Replaced WebSockets with Server Sent Events (SSE) for one-way log streaming, reducing infrastructure cost by 40%.
• •Designed an event-driven backend using AWS SQS to absorb traffic spikes while serving 400+ monthly active users.
• •Engineered scalable backend infrastructure components, improving system throughput and reducing query latency by 15%.
• •Collaborated with frontend and product teams to design, implement, and ship production features across multiple releases.

Gurgaon, India

• •Built core MVP features powering a production platform with 15,000+ curated products and 100K+ Android downloads.
• •Developed deep-linking and search APIs to improve content discovery and user navigation across the application.
• •Optimized backend data access through query tuning and caching, reducing API response latency by 20%.
• •Worked directly with the founding team to rapidly prototype, ship, and iterate on production features in a startup.

Research Intern at Dept. of Computer Engineering, NIT Calicut · Calicut, India

• •Improved biometric classification accuracy by 25% by building state-of-the-art CNN-Transformer fusion models.
• •Engineered 5+ EEG classifier fusion models handling spatial-temporal multi-channel tensors using PyTorch.

Biscuit – IDE | Python, LangChain, RAG, MCP, React, Pydantic · Live Project

• •Built a modular IDE using microkernel architecture, featuring source control, pseudoterminals, and extension marketplace.
• •Introduced semantic code intelligence for 20+ languages using Tree-sitter and LSP (268+ GitHub ★; pip install biscuit-editor).
• •Optimized global search latency under 100ms for folders exceeding 1M+ lines, using multi-threaded Ripgrep.

Hiroshi OS – AI Gateway | Rust, Tokio, Tailscale, MCP, WebSockets, Docker · Live Project

• •Engineered a pluggable AI gateway with sandboxing, cron scheduling, and secure HTTP RPC services with authentication.
• •Reduced token usage by 70% by implementing an incremental diff pipeline and vector retrieval, eliminating full-file rewrites.

Elo – Real-Time Competition Platform | TypeScript, Bun, React Native, Expo, Protobuf, Docker · Live Project

• •Engineered a math competition app using React Native, Proto, Bun delivering round-trip latency under 40ms.
• •Implemented an anti-cheat engine tracking rapid inputs (less than 120ms) into honeypot sandbox to issue hardware bans.

BILL OS – x86_64 Operating System | Rust, Assembly, Limine, QEMU, GDB, Cargo · Live Project

• •Built a 64-bit operating system, with bootstrapping, interrupt handling, and a modular kernel spanning 10+ subsystems.
• •Engineered a kernel with device drivers, shell, ELF executable loading, validated through 1000+ QEMU boot cycles using GDB.