# Matias Pierobon Marcos

Data Engineer at Cognition (Devin/Windsurf); ex-Head of Infrastructure at Kalshi, ex-Scale AI platform engineer  
Cognition  
Montevideo, Montevideo, Uruguay

## At Cognition

- Role: Data Engineer (Engineering)
- Joined: Oct 2025
- How they joined: Directly
- Before Cognition: Head of Infrastructure, Kalshi
- Overlapped before Cognition with other Cognition people at: Scale AI (https://www.autumn.ai/resources/cognition/worked-together)

## Identity
- LinkedIn: https://www.linkedin.com/in/matias-pierobon
- GitHub: https://github.com/kerbaras
- Website: https://mpierobon.com
- Domain: cognition.ai

## Notes
- Joined Cognition (maker of Devin and, since its July 2025 acquisition of Windsurf, the Windsurf IDE) as Data Engineer in October 2025, about three months after the Windsurf deal was signed; his headline cites AWS, Datastream and Google BigQuery. (https://www.linkedin.com/in/matias-pierobon)
- On 2024-04-04 he posted: 'Today we had a huge win at Kalshi! SIG, a major liquidity provider, joined us as a market maker. What an amazing milestone to be part of. Congrats to the entire team' - a teammate replied thanking him for 'setting up a killer infra in such a short amount of time'. (https://www.linkedin.com/posts/matias-pierobon_today-we-had-a-huge-win-at-kalshi-sig-a-activity-7181505929752756224-eHpr)
- Head of Infrastructure at Kalshi (CFTC-regulated prediction-market exchange) from May 2023 to October 2025, his longest recent role, moving straight from Kalshi to Cognition. (https://www.linkedin.com/in/matias-pierobon)
- Current role is Data Engineer at Cognition. (https://www.linkedin.com/in/matias-pierobon)
- Most recent open source: 'dubu', a simple OpenTofu web-based playground environment, created 2026-11-03 and pushed 2026-11-04. (https://github.com/kerbaras?tab=repositories)
- Platform Engineer at Scale AI (Jul 2021 - Jan 2023): per his LinkedIn, he led devs to build within 30 days a scraper system able to scrape 5,000 different e-commerce sites in under a day, 'which ended up being one of the most important product at the company', and managed the crawling infrastructure while reducing its hosting cost. (https://www.linkedin.com/in/matias-pierobon)
- Staff Software Engineer at NaNLABS (Argentine software consultancy, Feb 2020 - Jul 2021): led design of infrastructure for a cross-datasource query resolver for data analysis and mentored engineers in Kubernetes and CI/CD. (https://www.linkedin.com/in/matias-pierobon)
- Senior Software Engineer at QwertySoft SRL (Apr 2018 - Feb 2020): built the entire HA infrastructure from scratch on self-managed Kubernetes and led engineers on apps including a face-recognition tool for police to find criminals. (https://www.linkedin.com/in/matias-pierobon)
- Public headline says "Data Engineer @ Cognition | AWS, Datastream, Google BigQuery". (https://www.linkedin.com/in/matias-pierobon)
- GitHub account kerbaras (name Matias Pierobon, company cognition.ai, location Uruguay, blog mpierobon.com) with ~70 public repos; top languages TypeScript, Rust, HCL, Python, Go. (https://github.com/kerbaras)
- Actively builds 'mangas', a Rust desktop manga downloader and e-reader (Kindle) exporter; created 2025-07, still pushed in Oct 2026 and the main repo in his recent public GitHub activity. (https://github.com/kerbaras?tab=repositories)
- Built 'astarion' (May 2025), a Python 'Game Master's AI Assistant Agent' for creating characters and answering lore questions - an LLM agent side project shortly before joining an AI-agent company. (https://github.com/kerbaras?tab=repositories)
- Earned the AWS Certified Security - Specialty certification (LinkedIn post, Nov 2024). (https://www.linkedin.com/posts/matias-pierobon_aws-certified-security-specialty-was-issued-activity-7266984390365257728-yd_r)
- Infra tooling repos: cloudlab (HCL infrastructure for his cloud lab, 2023-2026), tf-explain ('Explain terraform plans into yaml without the noise', 2023), democli (toolkit for CLI demos, 2023), kubes (a Kubernetes IDE for macOS, 2025). (https://github.com/kerbaras?tab=repositories)
- Teaching assistant for Databases 101 at the Facultad de Informatica, Universidad Nacional de La Plata (Feb 2016 - Mar 2021) and full-stack developer for the faculty (Dec 2016 - Sep 2018), while completing a CS bachelor's there (2015-2021, grade 8.8). (https://www.linkedin.com/in/matias-pierobon)
- With over seven years of experience in professional system development, my career has been dedicated to building and maintaining distributed cloud-based infrastructure and databases. Currently, as a Data Engineer at Cognition, I utilize my expertise in AWS, Datastream, and Google BigQuery to enable scalable and robust data solutions.  My work emphasizes collaboration and leveraging advanced cloud technologies to drive innovation and efficiency. Guided by a commitment to continuous learning, I st; this comes from the profile summary and preserves the person's own positioning. (https://www.linkedin.com/in/matias-pierobon)
- Forked metabase/metabase in Oct 2026 and has public activity on it, a BI tool aligned with his data-engineering role. (https://github.com/kerbaras?tab=repositories)
- University-era open source: informatica-unlp (notes and practicals from UNLP Informatica courses, 3 stars), gakkou (Rails class-management system for a UNLP CS course), planes-informatica (graph of course prerequisites for UNLP degree plans), YandexTranslator in Smalltalk (4 stars). (https://github.com/kerbaras?tab=repositories)
- Previous roles include Data Engineer at Cognition; Head of Infrastructure at Kalshi; Platform Engineer at Scale AI; Staff Software Engineer at NaNLABS; Teacher Assistant at Facultad de Informática within Universidad Nacional de La Plata; Senior Software Engineering at QwertySoft SRL; Full Stack Developer at Facultad de Informática within Universidad Nacional de La Plata. (https://www.linkedin.com/in/matias-pierobon)
- Listed as a contributor to gnembon/carpetmod112 (Minecraft 1.12 Carpet mod) and Earthcomputer/clientcommands; also maintained Minecraft server mods/bots (theta, prototech-bot, prototech-proxy) - a long-running technical-Minecraft hobby. (https://github.com/gnembon/carpetmod112)
- Ranked among the most active GitHub users in Uruguay on committers.top (e.g. #176 with 2,046 contributions incl. private, #72 with 555 public), confirming his Uruguay base. (https://committers.top/uruguay_private)
- Location is Montevideo, Montevideo, Uruguay. (https://www.linkedin.com/in/matias-pierobon)

## Experience
- Data Engineer at Cognition (Oct 2025 - Present)
- Head of Infrastructure at Kalshi (May 2023 - Oct 2025)
- Platform Engineer at Scale AI (Jul 2021 - Jan 2023): - Leading devs to construct a scraper system under 30 days capable of scraping 5000 different e-commerce sites in less than a day which ended up being one of the most important product at the company
- Manage and maintained the crawling infrastructure for scraping at scale and reducing its hosting cost over 80% across different providers
- Staff Software Engineer at NaNLABS (Feb 2020 - Jul 2021): - Lead design and develop the infrastructure for a cross-datasource query resolver for data analysis
- Fullstack engineer for different web systems
- Mentored a group of engineers in k8s and ci/cd
- Teacher Assistant at Facultad de Informática within Universidad Nacional de La Plata (Feb 2016 - Mar 2021): Teacher in Databases 101 at the University of La Plata in Argentina
- Senior Software Engineering at QwertySoft SRL (Apr 2018 - Feb 2020): - Build the entire HA infrastructure from scratch with self managed k8s
- Lead a group engineers building different kinds of apps such as a Face Recognition tool for the police force to find criminals
- Full Stack Developer at Facultad de Informática within Universidad Nacional de La Plata (Dec 2016 - Sep 2018)

## Education
- Facultad de Informática within Universidad Nacional de La Plata - Bachelor's degree, Computer Science - (Jan 2015 - Dec 2021)
- Facultad de Informática within Universidad Nacional de La Plata - Associate's degree, Computer Science - (Jan 2016 - Dec 2019)
- freeCodeCamp - Full Stack Web Development Certification, Computer Software Engineering - (Jan 2016 - Present)

## Sources
- https://www.linkedin.com/in/matias-pierobon
- https://www.linkedin.com/posts/matias-pierobon_today-we-had-a-huge-win-at-kalshi-sig-a-activity-7181505929752756224-eHpr
- https://github.com/kerbaras
- https://cognition.ai/blog/windsurf
- https://committers.top/uruguay_private
- https://github.com/gnembon/carpetmod112
- https://www.linkedin.com/posts/matias-pierobon_aws-certified-security-specialty-was-issued-activity-7266984390365257728-yd_r
- https://issues.ecosyste.ms/hosts/GitHub/repositories/marcosfede%2Falgorithms/issues
- https://api.github.com/users/kerbaras/repos?per_page=100&sort=pushed
- https://github.com/kerbaras?tab=repositories


Researched with Autumn (https://www.autumn.ai) from public sources. Updated 2026-11-04. Profile: https://www.autumn.ai/resources/cognition/people/matias-pierobon-marcos · Everyone at Cognition: https://www.autumn.ai/resources/cognition/people