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nishant-vidhu/README.md

Hi there πŸ‘‹

πŸ‘‹ Hi, I’m Nishant Kumar Vidhu

High-Frequency Trading (HFT) Engineer | Low-Latency Systems | C++ | Market Microstructure

I design and optimize ultra-low latency trading systems with a focus on performance engineering, deterministic systems, and hardware-aware design.


πŸ”¬ Core Expertise

  • Low-Latency C++ (C++17/20)
  • HFT System Architecture (Feed Handlers, Order Books, Execution Engines)
  • Market Microstructure & Exchange Mechanics
  • Lock-Free & Cache-Friendly Data Structures
  • NUMA, CPU Pinning, Context Switch Reduction
  • Linux Performance Profiling (perf, valgrind, flamegraphs)

🧠 Currently Working On

  • Building production-grade HFT infrastructure from scratch
  • Exchange protocol parsing & binary feed handlers
  • Latency measurement & jitter analysis frameworks
  • Preparation for top-tier HFT / Quant Dev roles

🧩 Key Projects

πŸš€ Ultra-Low Latency Feed Handler

  • Zero-copy packet processing
  • Deterministic latency tracking
  • Cache-line aligned data paths

πŸ“ˆ Limit Order Book Engine

  • O(1) order updates
  • Exchange-style matching logic
  • Memory-pool–based allocation

πŸ§ͺ HFT Simulation Framework

  • Market replay engine
  • Strategy backtesting
  • Slippage & latency modeling

πŸ“Š GitHub Stats

Top Languages


πŸ› οΈ Tech Stack

Languages
C++ Python Shell

Systems & Tools

Linux GCC Clang GDB Perf Valgrind

Concepts

Lock-Free Programming NUMA CPU Affinity Latency Engineering


🌐 Connect With Me

LinkedIn GitHub

X

Email


πŸ“Œ Philosophy

β€œIn HFT, performance is not optimized β€” it is engineered.”

I believe in first-principles thinking, mechanical sympathy, and correctness before abstraction.

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