Résumé

# Jimmy Hartzell: Rust Programmer Phone: 646-334-9882, Email: jah259@cornell.edu, Website: https://www.thecodedmessage.com/ ## Skills - Programming languages: Rust, C++, C, Haskell, Swift, Python, Objective-C, Bash, x86 assembly (32 and 64 bit) - Technologies: Linux systems/low-latency network programming, Tokio, Reflex FRP, Yocto, AWS, Ledger Nano S, Redis, C++ template metaprogramming ## Career Experience - Two Sigma: August 2024-Present, Rust Specialist * Technologies: Rust - Amtrak: July 2023-June 2024, Senior Principal Software Engineer * Technologies: C++, HP NonStop - Savant Systems: May 2021-June 2023, Senior Embedded Linux Software Developer * Technologies: Rust (incl. Tokio), Yocto, Swift, Objective-C, Redis * Wrote usermode Rust driver for Atmel energy meter * Made maintenance updates to a decades-old Objective-C codebase * Developed and implemented migration plans for core components of system architecture * Rewrote Swift microservices and frameworks into Rust * Added caching layers around accesses to legacy key-value store, and implemented bidirectional synchronization between it and Redis - Obsidian Systems: March 2018-May 2021, Software Development Consultant * Technologies: Haskell, Reflex FRP, C, Ledger Nano S, Nix, C++ * Full-stack Haskell application development * Worked with a variety of clients, with diverse corporate culture and organizational systems * Worked on Incremental View, a database research project for incremental queries on Postgres * Wrote apps in embedded C on Ledger Nano S (a platform w/ 4K of RAM) * Did trainings and talks on C++, Rust, blockchain, and Haskell - Tower Research: June 2013-March 2018, Senior Software Developer * Technologies: C++ (C++11, C++14), C++ template metaprogramming, Linux systems programming, clang-format, valgrind, gdb, FIX protocol, Intel64 assembly * Risk platform, C++ development (2017-2018): + Wrote a new high-performance logging system + Led a small team to add new trade reconciliation systems to comply with EU regulations * Lead training instructor (2016-2018): + Developed and taught C++, networking, systems, and low-latency programming programming curriculum for new hires in US and India + Trained and mentored other instructors * FX trading desk, C++ development (2013-2016): + Mentorship: First line of defense for team member questions + Continuously made latency improvements for market data handlers + Developed new aggregator project to aggregate internal liquidity + Owned support for FX “last look” feature + Wrote/maintained handlers for many financial protocols - Moat: Feb 2011-March 2013, Infrastructure Developer * Technologies: Python, C++, Bash, AWS, S3 * Led a 3-member team to develop server discovery and deployment scripts * Scalable bloom filter implementation in C++ ## Education - Cornell University: Bachelors in Computer Science