Dhruv D Jain

Processed over $1B in trading volume on a derivatives platform built entirely on Solana Wrote the core Solana program in Rust implementing binary options, perpetual futures, and a provably fair VRF-based crash game Designed a Dutch auction mechanism for on-chain price discovery with multi-market-maker competitive bidding Built a batch settlement engine that settles 30+ positions per transaction with tiered fee calculation and Pyth oracle integration Implemented share-based vault accounting for liquidity providers with overflow-safe u128 arithmetic Developed multiplayer tournament system with escrow-based fund pooling and on-chain winner selection Integrated ephemeral rollups and session keys for enhanced throughput and gasless user experience Technologies: Rust, TypeScript, Anchor, Solana

Built two Solana programs implementing the full IBC protocol stack in Rust, enabling cross-chain communication between Solana and Cosmos Built a custom Merkle Patricia Trie with sealing and pruning, reducing on-chain state storage while maintaining cryptographic proof validity Implemented Ed25519 signature verification program with batch verification optimized for Solana syscalls Developed the first restaking protocol on Solana with NFT-based receipt tokens and CPI-driven validator stake management Engineered a custom program entrypoint that bypasses Solana's transaction size limits via instruction data accounts Implementation: github.com/ComposableFi/emulated-light-client Technologies: Rust, Solana, Anchor, Python

Built order management infrastructure for the marketplace Developed a backend enabling users to create custom designs for product printing Migrated database from MongoDB to PostgreSQL Technologies: JavaScript, TypeScript, PostgreSQL

Built an integrated testing framework for microservices using mocked data Developed a test data generation tool for microservices Technologies: Java, SQL