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Lakshdeep Sunder

@lakshdeepsunder

C++ engineer at Trading Technologies, JPMorgan, and Morgan Stanley who stabilized trading systems and built regulatory checks.

India

Message

At Trading Technologies, I resolved asynchronous WebSocket and session-recovery crashes in C++ order gateway infrastructure, and redesigned session error handling to preserve visibility during disconnections. I also implemented automatic reconnection with capped exponential backoff.

At J.P. Morgan, I developed Can I Transact, a centralized C++ regulatory decision engine for pre-trade checks and post-trade reporting obligations. I improved large JSON feed ingestion with SAX-based RapidJSON and addressed memory pressure and page-fault-related degradation.

At Morgan Stanley, I served as the technical owner of FIBER, a multithreaded C engine processing FIX messages and product information for KDB+/q applications. I resolved memory corruption and missing-heartbeat issues under high throughput; I’m now deepening my modern C++ and low-latency Linux expertise through independent technical development.

Experience

Work history, roles, and key accomplishments

Current

Independent Technical Development

Current

Self Employed

Aug 2026 - Present (2 months)

Focused study of modern C++ and low-latency Linux techniques, including compile-time programming, concurrency, and memory optimization. Developed queue and order book implementations.

C++ 14 17 20 Concurrency Memory Management Linux Performance Optimization

Principal Software Engineer

Trading Technologies India Private Limited

Sep 2025 - Jul 2026 (10 months)

Resolved UAT shutdown crashes and session recovery issues in C++ order gateway infrastructure. Led a seven-member POD coordinating exchange integrations and customer enhancements.

C++Boost.Beast WebSockets GDB Multithreading SPSC MPMC Order Gateway Exchange Integration UAT Exponential backoff

Vice President, Technology

J.P. Morgan Services India Private Limited

Oct 2019 - Aug 2025 (5 years 10 months)

Developed and enhanced Can I Transact (CIT), a centralized C++ regulatory decision engine for pre-trade checks and post-trade reporting obligations. Optimized JSON feed ingestion and hardened concurrent access to shared-memory caches.

C++Regulatory Compliance KYC OTC Derivatives RapidJSON Mmap Multithreading Memory Management JSON

Vice President — FIBER

Morgan Stanley

Aug 2008 - Oct 2019 (11 years 2 months)

Served as sole global developer and technical owner of FIBER, a high-throughput, actor-based, multithreaded C engine processing FIX messages and product information for KDB+/q applications. Resolved long-standing memory corruption and missing-heartbeat issues.

C Multithreading FIX Protocols Kdb+Actor Model Memory Management Debugging

Senior Manager / Manager — Swaps Trading

Morgan Stanley

Collaborated with the New York swaps desk to design client migration between classic and low-latency trading flows. Implemented enhancements enabling traders to pre-clear instruments before market hours.

Swaps Low Latency Systems Client Migration Pre Trade C++

Analyst — Electronic Trading Infrastructure

Morgan Stanley

Managed and enhanced a C++ FIX routing library with configurable connectivity and threading across trading applications. Owned a trade-reporting library enriching and routing execution reports to booking, positions, database, and operations systems.

C++FIX Protocols Routing Trade Reporting Multithreading