Aman Kumar Jha

Backend & Blockchain Engineer, building on-chain systems.

I design and build backend systems and on-chain programs across blockchains, from smart contracts in Rust, Anchor, and Solidity to the APIs, services, and infrastructure that power them. Most of my recent work has been on Solana.

i build with:

RustAnchorSolanaTypeScriptNode.jsNext.jsPythonSolidityFoundryPostgreSQLRedisPythQdrantDocker

projects:

perpX

A decentralized secondary market for Kalshi prediction markets on Solana, offering up to 40x leverage with isolated margin, non-custodial settlement, and an on-chain liquidation engine.

RustAnchorSolanaTypeScriptNext.js

Private Perps DEX

A privacy-focused perpetual futures DEX on Solana with encrypted position management via Arcium MPC and private cross-chain deposits over Zcash, priced by Pyth oracles.

RustAnchorSolanaArciumPythNode.js

Sealevel

A fine-tuned coding LLM specialized for Solana and Anchor development, served over an OpenAI-compatible API across web, CLI, VS Code, and MCP, backed by a RAG pipeline over the Solana ecosystem.

PythonPyTorchSGLangQdrantMCPNext.js

Hodl.fun

A universal token launchpad with one-click ERC20 deployment, bonding-curve price discovery, and cross-chain asset support, built on Push Chain with a fully tested Solidity contract suite.

SolidityFoundryTypeScriptNext.jsethers.js

if you're hiring for backend or blockchain engineering, or want to build on-chain systems together, feel free to dm me on x or drop me an email.