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Haroldo Gamal

@haroldogamal

Systems engineer at Vector Trading who developed the low-latency C++ core library powering proprietary high-frequency trading robots.

Brazil

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At Vector Trading LLC, I developed and maintained the low-latency C++ core library powering proprietary high-frequency trading robots. I also built backend microservices for trade monitoring, execution management, audit logging, and risk oversight.

At Winco Tecnologia e Sistemas LTDA, I architected firewall software with deep packet inspection and designed hardened Linux network appliances. I also authored the Korg1212 audio card driver that was merged into the Linux kernel mainline.

Experience

Work history, roles, and key accomplishments

Senior Software Engineer & Network Infrastructure Lead

Vector Trading LLC

Mar 2021 - Mar 2026 (5 years)

Developed and maintained core low-latency C++ base library for HFT robots, engineered thread control and scheduling, integrated with FPGA acceleration, and supervised network infrastructure at exchange colocation sites.

C++Go Python PostgreSQL MongoDB FPGA HFT Low Latency Systems Multithreading Network Infrastructure

Principal Software Architect

Winco Tecnologia e Sistemas LTDA

Aug 2007 - Nov 2020 (13 years 3 months)

Architected core system software and network security engines in C and C++, designed DPI and protocol decoders, and engineered hardened Linux-based firewall appliances.

C C++DPI Network Security Linux SQLite MySQL PostgreSQL Firewalls

Infrastructure & Hosting Services Manager

Infolink Teleinformática LTDA

Feb 2004 - Aug 2007 (3 years 6 months)

Managed technical teams delivering datacenter hosting services, led network engineering initiatives, and directed software development for hosting automation.

Network Engineer Infrastructure Team Management Hosting

Systems Analyst & Security Instructor

Módulo Informática S.A.

Oct 2003 - Feb 2004 (4 months)

Led internal systems and portal infrastructure engineering teams, and authored curriculum for the MCSO security officer program.

Networking Topologies Firewalls Intrusion Detection Systems Curriculum Development

Chief Technology Officer (CTO)

Valores Reais Participações S.A.

Jul 2000 - May 2003 (2 years 10 months)

Directed technical strategy, software development, and network security operations, managing end-to-end delivery of distributed Java and PHP platforms.

Java PHP MySQL PostgreSQL Software Architecture Network Security

Multiplatform Consultant Analyst

EDS do Brasil

Jan 1996 - Jun 2000 (4 years 5 months)

Provided level-2 network and infrastructure troubleshooting for enterprise clients, and engineered core utilities and low-level system software using C and Assembler.

C Assembler Network Troubleshooting Infrastructure