Darío G
Software Engineer at HFT
Dubai, Dubai, United Arab Emirates
Summary
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SeniorDarío G is a software engineer based in Dubai with 10 years of experience building low-latency, easy-to-read backend systems. He has moved between trading, data, and design-systems domains—most recently working at an HFT firm—bringing a practical mix of performance tuning and production reliability. An active contributor to the high-profile valyala/fasthttp Go project, he has improved TLS handshake handling and protocol robustness, reflecting deep expertise in server internals and protocol-level bugs. His background spans roles as a trading engineer and data engineer, giving him a strong appreciation for throughput, correctness, and operational constraints. Colleagues know him for concise, zero-allocation thinking and for favoring small, impactful changes that reduce latency and complexity.
10 years of coding experience
5 years of employment as a software developer
Spanish, English
Github Skills (9)
mtls10
http10
go10
tls1210
tls1310
libtls10
networking9
concurrency8
performance-optimization8
Programming languages (12)
Github contributions (5)
valyala/fasthttp
Nov 2018 - Jul 2021
Fast HTTP package for Go. Tuned for high performance. Zero memory allocations in hot paths. Up to 10x faster than net/http
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits, 15 PRs, 102 comments in 2 years 8 months
Contributions summary:Darío primarily contributed to the `fasthttp` project, focusing on server functionality. They modified code related to TLS connections, improving the handling of TLS handshakes and protocol negotiation. Additionally, the user addressed a bug fix related to the `NextProto` error and implemented improvements to the HTTP protocol handling. These changes demonstrate a focus on enhancing the core server mechanics and protocol implementations of the fasthttp library.
memorymemory-allocationstuned10xzero
fasthttp/fastws
Jan 2020 - Jun 2024
Websocket implementation for fasthttp.
Contributions:2 PRs, 35 pushes, 2 comments in 4 years 5 months
golangwebsocketswsrfc-6455socket-server
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