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Argha SenReflections & Devlogs

Argha Sen

Lead Software Engineer • Quantitative & Low-Latency Systems

Bengaluru, Karnataka, Indiacontact@arghasen.comLinkedIn Profile →

Summary & Core Focus

Lead Software Engineer excited by core computer science problems that impact real-world financial systems. Over a decade of specialized experience in quantitative finance, high-frequency trading (HFT), medium-frequency trading (MFT), and low-latency algorithmic trading infrastructure across top global trading firms including Squarepoint Capital, AlphaGrep Securities, and Goldman Sachs.

Professional Experience

13+ Years in Quantitative & Systems Engineering

Lead Software Engineer

July 2024 — May 2026
Teesta Investment Pvt. Ltd.
Kolkata, West Bengal, India

Leading engineering efforts for quantitative trading systems, investment infrastructure, and core software platforms.

  • Architecting resilient and high-throughput systems for automated financial and trading workflows.
  • Driving core system architecture, code quality, and engineering operational excellence.
Quantitative SystemsLow LatencySystem ArchitectureAlgorithms

Software Engineer

January 2019 — December 2023 (5 years)
Squarepoint Capital
Singapore

Built core frameworks, libraries, and high-performance execution infrastructure across High-Frequency (HFT) and Medium-Frequency (MFT) trading desks.

  • Developed and maintained mission-critical frameworks and libraries supporting both HFT and MFT trading strategies.
  • Designed and implemented an optimized, exchange-agnostic dropcopy system for real-time trade confirmation and risk tracking.
  • Collaborated globally with quantitative researchers, traders, and infrastructure engineers in a high-scale environment.
HFT / MFTExchange DropcopyHigh Performance SystemsC++PythonTrading Frameworks

Associate

December 2015 — October 2018 (2 yrs 11 mos)
AlphaGrep Securities
Mumbai Area, India

Engineered ultra-low-latency trading platforms and market access gateways for high-frequency quantitative trading.

  • Built low-latency trading components and market data processing pipelines for financial exchanges.
  • Optimized execution critical path latency, memory access patterns, and deterministic network processing.
Low LatencyMarket ConnectivityAlgorithmic TradingC++Linux Kernel Tuning

Analyst

June 2013 — December 2015 (2 yrs 7 mos)
Goldman Sachs
Bengaluru, India

Developed algorithmic trading platforms and electronic execution services for global financial markets.

  • Engineered automated order routing, smart order execution strategies, and algorithmic trading infrastructure.
  • Maintained high system reliability, risk checks, and regulatory adherence for production trading flows.
Algorithmic TradingFinancial EngineeringJava / C++Distributed Systems

Summer Intern

May 2012 — July 2012 (3 mos)
Cisco Systems
Bengaluru, India

Systems engineering internship during graduate studies at IIT Guwahati.

  • Migrated Valgrind dynamic analysis toolchain to MIPS architecture using uClibc.
MIPS AssemblyuClibcValgrindC / Systems Programming

Education

Indian Institute of Technology (IIT), Guwahati

Master's Degree, Computer Science

2011 — 2013

National Institute of Technology (NIT), Rourkela

Bachelor of Technology (B.Tech), Computer Science

2007 — 2011

Skills & Areas of Expertise

Quantitative & Trading Systems

High-Frequency Trading (HFT)Medium-Frequency Trading (MFT)Exchange DropcopyAlgorithmic ExecutionLow-Latency Architecture

Computer Systems & Architecture

Computer SystemsAlgorithms & Data StructuresDistributed SystemsMemory & Latency OptimizationLinux Systems

Languages & Technologies

C++PythonTypeScriptJavaScriptNode.jsMIPS AssemblySQL / Databases

Web & Tooling

AstroTailwind CSSDockerGit / CI/CDCloudflare Workers / Edge

Certifications

  • NISM Series I: Currency Derivatives Certification
  • NISM Series VIII: Equity Derivatives Certification
  • AMCAT Certified Data Processing Specialist & Business Consultant
  • Free Code Camp: Front End Developer Certification

Interested in discussing low-latency systems, quantitative finance or engineering?

Reach out directly via the contact page or email.

Get in Touch