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Software Engineer · Backend & Distributed Systems · Rust · AI harnessing · Remote from Brazil
Senior software engineer with 23 years of production experience and 10+ years fully remote with US, Canadian, and European teams. Deep in Rust, event-driven backend architectures, and distributed services. Recent work: backend engineer at Kraken (Payward Inc.) contributing with several Rust high standards and high load microservices. Prior: petabyte-scale roaming infrastructure at Telna; high-volume ad tech at Sulvo. Active open-source author. Maintainer of Shakedown, a Rust system-testing crate (pre-release mode at this time). Earlier work includes Mapless and Flow for Pharo Smalltalk. Founder of Airflowing (2009–2015), a bootstrapped B2B SaaS for service-company operations. Currently exploring full-time remote engineering roles at US companies. Brazil-based, fully overlapping with US Eastern hours.
University of Buenos Aires
Computer Software Engineering, Computer Science
March 1, 1995 – November 1, 2000
Kraken
Software Engineer - Rust
May 1, 2024 – April 1, 2026
Telna
Senior Software Engineer
September 1, 2019 – August 1, 2023
Telna
Software Engineer
September 1, 2019 – October 1, 2020
Sulvo
Fullstack developer
April 1, 2017 – December 1, 2018
Remote
Squads
Software Engineer
January 1, 2014 – April 1, 2017
Netherlands
flowing
Founder
October 1, 2009 – Present
flowing
Founder
July 1, 2009 – September 1, 2015
flowing
Galenial Startup
November 1, 2006 – November 1, 2007
Foz do Iguaçu, Paraná, Brazil · On-site
Cromosol
SLA
February 1, 2003 – December 1, 2005
Argentina · Remote
Teing SRL
Project Leader
August 1, 1988 – November 1, 2002
Greater Buenos Aires · On-site
STTemplate
January 1, 2024 – Present
Templates with the Power of Smalltalk https://github.com/sebastianconcept/STTemplate/
PharoPluginBuilder
February 1, 2023 – Present
A friendly setup for creating your own Pharo plugins.
Proposto
December 1, 2022 – Present
MVP for a SaaS focused on closing sales.
Mapless
March 1, 2014 – Present
Schema-less persistence for Smalltalk with support for multiple backends. Mapless gives you performant state plasticity and high availability in a scale that goes beyond one Smalltalk image and without backend vendor locking nor object-mapping impedance mismatch.
Machine Learning
Coursera
June 28, 2026 – Present
Triplebyte Certified
Triplebyte
June 28, 2026 – Present
Cultural Fit Analysis
The candidate's diverse project experience, including personal projects and entrepreneurial ventures, suggests a proactive and innovative mindset. The breadth of skills across different technologies (Smalltalk, JavaScript, Rust, Swift) and domains (ad servers, dairy industry, medical clinics) indicates adaptability and a willingness to learn. The long tenure at flowing (Founder) and various roles at other companies show commitment and a broad understanding of business needs, which could contribute positively to a dynamic team environment. However, the primary experience is not directly in modern iOS development, which might require some ramp-up.
Soft Skills & Operational Fit
The candidate's resume indicates strong leadership, mentoring, and problem-solving skills, particularly in leading migrations and developing MVPs. The entrepreneurial background suggests initiative, strategic thinking, and a customer-centric approach. Experience in agile methodologies is also present. However, without specific psychometric test results, a deeper assessment of work attitude, stress handling, and team collaboration is limited.