Todd Sundsted
CTO at Gaiascope, Inc. / Acquired by ENGIE North America
New York, New York, United States
Summary
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SeniorTodd Sundsted is a seasoned CTO and technology leader with two decades of experience building and scaling software from garage startups through mergers, IPOs, and acquisitions. He combines hands-on engineering with strategic leadership, adept at growing product and engineering teams, architecting for reliability and scale, and driving IaC, data pipelines, and platform standardization to support rapid growth. At Gaiascope (acquired by ENGIE), he modernized the platform, migrated to Dagster and Terraform, expanded trading into MISO while maintaining ERCOT support, and led the tech due diligence during the acquisition. Earlier at Odeko and SumAll, he led multi-location teams, steered monoliths to microservices, delivered cross-cutting integrations, and drove measurable business impact including user growth and infrastructure cost savings. He is an active Crystal programming language contributor, focusing on core language features and compiler improvements, underscoring a deep systems programming background. Based in New York, he brings entrepreneurial grit paired with technical depth to drive resilient, scalable software in fast-moving environments.
20 years of coding experience
21 years of employment as a software developer
Stackoverflow
6,295reputation
1.0mreached
31answers
0questions
rest
top-5%
file-upload
top-1%
http
top-1%
Github Skills (23)
crystal-lang10
http10
compiler-compiler10
file-upload10
compiler10
multipart-formdata10
compilers10
programming-language9
rest9
programming-languages9
floating-point8
float328
macros7
logging7
binary-compatibility6
Programming languages (12)
Github contributions (5)
crystal-lang/crystal
Feb 2020 - Oct 2021
The Crystal Programming Language
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 10 PRs, 33 comments in 1 year 7 months
Contributions summary:Todd contributed to the core functionality of the Crystal programming language, primarily focusing on optimizing and refining existing features. Their work involved improving the `Array#fill` method for zero values, supporting unsigned integer types in logging contexts, and ensuring the correct handling of floating-point numbers in printing. They also addressed documentation issues and made changes related to macros and type variables within the compiler.
esoteric-languagecrystallanguage-designcompilerprogramming-language
toddsundsted/host_meta
Apr 2019 - Jul 2021
Contributions:12 releases, 35 commits, 112 pushes in 2 years 3 months
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