Mariano Wahlmann
Sr. Director Platform & Core Services
Dallas-Fort Worth Metroplex United States
Summary
👤
Senior🎓
Top SchoolMariano Wahlmann is a seasoned engineering leader with over 15 years of hands-on experience and more than two decades in tech, currently serving as Sr. Director of Platform & Core Services in the Dallas–Fort Worth area. He has a proven track record of modernizing mission-critical cloud services, driving cost reductions (including a 25% tooling/infrastructure cut and a 60% cloud-cost win at Expedia), and improving reliability and latency for globally distributed systems. A pragmatic technologist fluent in Go, Python, Java, Kafka, Docker and cloud architectures, he blends deep platform engineering with operational rigor—introducing architecture guilds, on-call processes and postmortems to raise team performance. Mariano founded Yappir and contributes to low-level projects like the Parrot VM, showing curiosity that spans from systems internals to business-facing APIs. He excels at replacing brittle homegrown solutions with scalable off-the-shelf platforms and negotiating vendor relationships while owning security and compliance responsibilities such as PCI-DSS. Known for building and scaling remote-first teams, he pairs automation and experimentation with a focus on measurable business outcomes.
15 years of coding experience
21 years of employment as a software developer
Bachelor of Science - BS Electrical and Electronics Engineering, Bachelor of Science - BS Electrical and Electronics Engineering at Universidad Tecnológica Nacional
English, Spanish
Stackoverflow
1,375reputation
90kreached
2answers
0questions
angularjs
top-5%
Github Skills (12)
c1710
virtual-machine10
parrot10
c1110
angularjs9
apidoc9
api9
debug8
debugging8
system-design7
testing7
perl6
Programming languages (9)
Github contributions (5)
parrot/parrot
Nov 2010 - Dec 2010
Parrot Virtual Machine
Role in this project:
Back-end Developer
Back-end DeveloperContributions:16 commits in 1 month
Contributions summary:Mariano primarily focused on enhancing the Parrot Virtual Machine's core functionality. Their work involved decoupling long option parsing from the interpreter and refactoring the code. They also addressed typos, implemented TODOs within the string handling functionality, and implemented a first version of the result retrieval API. Additionally, the user made changes to make bounds runcore available and fixed codigstd tests.
parrotvirtual-machine
tiktoken-go/tokenizer
Apr 2023 - Mar 2025
Pure Go implementation of OpenAI's tiktoken tokenizer
Contributions:8 releases, 6 PRs, 20 pushes in 2 years
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