Dhruv D Jain
Proficient in Rust, TypeScript, Solidity, and Python. Also competent in Java and Go. Experienced with Solana program development using Anchor, native Solana, and Pinocchio.
Built on-chain derivatives, auction systems, and settlement infrastructure. Experienced with oracle integration (Pyth), market microstructure design, and liquidity provisioning. Also built cross-chain bridging infrastructure, restaking protocols, and concentrated AMMs across EVM, Solana, and Cosmos.
Experience
Co-Founder
Rush Trade
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
Software Engineer
Composable Finance
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
Software Engineer
Brantu
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
Software Engineering Intern
JPMorgan Chase & Co.
Built an integrated testing framework for microservices using mocked data
Developed a test data generation tool for microservices
Technologies: Java, SQL
Education
Siddaganga Institute of Technology
Bachelor of Electronics and Telecommunication Engineering
minor in Computer Science and Engineering
Skills
Open Source Contributions
Contributed to ibc-rs
Rust implementation of the Inter-Blockchain Communication (IBC) protocol by Informal Systems
Contributed to session-keys
Session keys implementation for Solana by MagicBlock Labs
Publications
M. Nazarewicz, D. Jain, M. Matos, and B. Rodriguez. 2025. Be My Guest: Welcoming Interoperability into IBC-Incompatible Blockchains.
In IEEE/IFIP Int. Conf. Dependable Systems and Networks, Naples, Italy, 160–166.
doi:10.1109/DSN-S65789.2025.00057