# Nitish Kumar

> Nitish Kumar is a protocol and backend engineer who builds DeFi infrastructure: multi-chain blockchain indexers, institutional custody systems and on-chain order books, in Rust, TypeScript, Go and Solidity. He works at Timeswap Labs and presented a paper on MEV-induced liquidity fragmentation in DEX networks at the Nanyang Blockchain Conference 2026.

This file describes Nitish Kumar the software engineer (GitHub: technitish9123, X: @Nekotish). The canonical source is https://nitishkumar.pages.dev/. The pages below hold his CV, a case study of the Arcus term-rate order book, and a summary of his research. A Markdown copy of all of them is at https://nitishkumar.pages.dev/llms-full.txt.

## Pages

- [Home](https://nitishkumar.pages.dev/): experience and projects, with profile links
- [CV](https://nitishkumar.pages.dev/cv/): experience, projects, research, recognition, education and skills
- [Arcus case study](https://nitishkumar.pages.dev/arcus/): a Rust matching engine for lending USDC by rate and maturity (Devcon 2024 hackathon)
- [Research](https://nitishkumar.pages.dev/research/): "Dynamic Graph Rewiring in Decentralized Exchange Networks", NBC '26, NTU Singapore

## Profiles

- [GitHub: technitish9123](https://github.com/technitish9123): code, including the research simulation pipeline
- [LinkedIn: tecnicalnitish](https://www.linkedin.com/in/tecnicalnitish/): professional profile
- [X: @Nekotish](https://x.com/Nekotish)

## Facts

- Name: Nitish Kumar. Role: protocol and backend engineer working on blockchain and DeFi infrastructure.
- Disambiguation: this is the software engineer whose GitHub username is technitish9123. He is not the Indian politician of the same name, nor other people named Nitish Kumar.
- Current employer: Timeswap Labs, a DeFi fixed-rate lending protocol on Arbitrum and other EVM chains. Backend Engineer there from Jun 2025 to Mar 2026; Protocol / Backend Engineer since Mar 2026.
- At Timeswap he is the sole engineer on a production Rust multi-chain EVM indexer and API of about 165k lines with 2,200+ tests; earlier he built its TypeScript/Kafka event platform across 6 EVM chains, reconciled to 1-wei tolerance.
- Earlier roles: Senior Blockchain Engineer, Diamante (Apr 2025 – May 2025); Blockchain Developer, Liminal Custody Solutions (Nov 2023 – Apr 2025); Founding Engineer, Hashmail (Jul 2022 – Aug 2023).
- At Liminal Custody he built a Go pre-signing transaction-simulation engine that cut on-chain failure rates by 45%.
- Built Arcus, a term-rate central limit order book for USDC lending, at the Devcon 2024 hackathon.
- Research: "Dynamic Graph Rewiring in Decentralized Exchange Networks: A Study of MEV-Induced Liquidity Fragmentation", Nanyang Blockchain Conference (NBC '26), NTU Singapore.
- ETHIndia 2023 winner (Safe track).
- Has responsibly disclosed 40+ security vulnerabilities, with Hall of Fame credits at PayU and Harvard.
- Education: B.E. in Information Science and Engineering, NITTE Meenakshi Institute of Technology (VTU).
- Main languages: Rust, TypeScript, Go, Solidity, SQL.