Jonathan Swinney is a Senior Software Engineer in Austin with nine years of experience building high-performance systems and low-level software. He has deep expertise in hand-optimized aarch64 assembly and SIMD, porting x86_64 assembly to ARM and tuning software for AWS Graviton EC2 and new FPGA instance types. His background spans embedded and systems work—C microcontroller code, PCIe FPGA interfacing, and networking stack compliance and testing for IPv6—alongside higher-level web and tooling projects. Jonathan combines a tinkerer’s curiosity for electronics with production-grade optimization skills, often squeezing multiplex speedups from tight code paths. He has a track record of practical problem solving across architectures and constrained environments, from MIPS/Lua integrations to virtualized network testbeds. Based in Austin, he brings a hands-on, build-first approach that turns complex platform requirements into measurable performance gains.
9 years of coding experience
16 years of employment as a software developer
BS computer science minors in math physics, BS computer science minors in math physics at Abilene Christian University
This document is meant to help new users start using the Arm-based AWS Graviton and Graviton2 processors which power the 6th generation of Amazon EC2 instances (e.g. C6g/M6g/R6g)
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Jonathan Swinney - Senior Software Engineer at Amazon