Work that mattered
Crypto exchange
Software engineer at Kraken
Backend engineer on Kraken's Rust microservice for user incentives and rewards at a global crypto exchange. Owned many incentives lifecycle features from zero to one, including a multi-stage state machine serving hundreds of thousands of users and over a billion data points, built fault-tolerant so campaigns ran fully automated without production incidents. Also rebuilt payment processing as an idempotent, event-driven engine. Built an AI-assisted, spec-driven delivery harness with review gates, shipping 10+ production features under that workflow.
Telecommunications
Senior software engineer at Telna
Promoted to Senior Software Engineer at Telna. As lead engineer under the architect, maintained the core roaming software component alongside 2 other engineers, inside a 12-person engineering org supporting a 50-person customer success team. By 2022, that system handled nearly 1 petabyte of network traffic across the North American mobile market.
Telecommunications
Backend software engineer at Telna
Joined Telna's mobile network infrastructure team as a Backend Software Engineer. Built and maintained core backend components for roaming session management as traffic scaled past 1 PB/month, with a Rust caching layer that pushed backend capacity past 25K ops/s across diverse network integrations.
Machine Learning
ML Certificate of Accomplishment
Scored 92% in Stanford's Machine Learning course on Coursera: regression, neural networks, SVMs, unsupervised learning, anomaly detection, recommender systems. Final project: trained a network to self-drive a simulated vehicle by controlling steering from road input.
Upgrading a production system in hot and in a massive scale
Backend compatible lossless upgrade
Helped to design and implement the migration process of a dynamically scalable service from AWS to GCloud. Once the service was migrated to GCloud, the upgrades were backward compatible and lossless. The clients started to consume the new API version organically and the new API servers got globally balanced adding server instances and collapsing the deprecated ones as required.
Ad-tech in high scale
Full-stack developer at Sulvo
Architected and implemented the next-generation app that is serving +1.2 billion transactions per month. Part of the innovation team making features and dealing with the challenges that add value to this platform used by premium users in the Ad industry. Full-stack with JavaScript (ES6) and DevOps using CloudFlare, CI, Docker, GCloud and AWS.
Native mobile and full-stack development
AppStore iOS Swift App and Admin webapp
Published a native iOS application. Swift was required for the iOS app, along with the following frameworks: MapKit, FBSDKLoginKit, SwiftyJSON, ToastSwiftFramework, Async and Bolts. The admin web app used Meteor with SemanticUI.
Native mobile development
CS193P, Stanford University
Learned the basics of Swift developing apps on iOS. This allowed me to release an app in the AppStore which used MapKit, FacebookSDK, JSON, multithreading and low-latency sound.
Encouraging the startup culture among smalltalkers
Smalltalk for Startups
A talk at the Smalltalks 2014 meetup to link the Startup opportunities with Smalltalk opportunities. Also, flow's public presentation and demo.
Open-sourced full-stack framework
flow
Published flow as an open-source project with a mission. Flow's mission is to provide consultants, startups and software houses with a competitive Smalltalk full-stack framework that allows them to quickly deliver a demo with all the modern HTML5.
Open-sourced persistence framework
Mapless
Published Mapless as an open-source project. Persistence with very low maintenance. For real. No instVars. No getters and no setters - just models that can be saved. Mapless is a persistence framework with zero Object-Relational-Impedance-Mismatch on your data.
Lots of frontend and some full-stack development
Full-stack developer at StarterSquad
At StarterSquad worked in various teams and projects with many stacks. Among them Angular, Meteor, ExpressJS, MongoDB, PostgreSQL, RESTful APIs, Swift and flow.
Design Thinking
Design Thinking Action Lab
Studied under Leticia Britos Cavagnaro in Stanford's Design Thinking Action Lab. Expected it to help with startup ideation; it turned out more useful for customer development and prototyping.
Hospitality Industry
Pitztal
Led conversion for back-office processing with a Seaside web app. Integrated the API of a highly customized CRM with a Seaside-based web app and the admin dashboard to process hundreds of leads for the hospitality industry in this region.
Volunteering
TEDxAvCataratas
I was involved in leading, organizing, fundraising, creating partnerships and coordinating volunteers and providers to make the first TEDx event in the incredible Iguassu Falls. The event was sold-out.
Being a startup founder
Airflowing
Airflowing was a web application that provided management to service companies. With an original UI design and simplicity in mind, it allowed the operations team to coordinate jobs, tasks and finances across different teammates. It was a simple yet end-to-end solution for small businesses. It ran on Pharo Smalltalk, jQuery, Aggregates, OmniBase object persistence achieving scalable and subsecond server-side rendering speeds. Shut down in 2015.
A feature out of a UC Berkeley paper
Implementing Cheshire II
Developed a product for medical practice management including functions that were quite an innovation at the time like efficient video capture of various medical instruments used in different exams. Also organizing the medical records storage with probabilistic indexing based on U.C. Berkeley's Cheshire II catalog design, a feature that allowed sub-second non-boolean searches and results presented in order of relevance. All that developed using Dolphin Smalltalk.
Client-server architecture in the aftermarket industry
Ford parts e-commerce
As an independent consultant, developed an e-commerce application for Cromosol S.A., a leader in the Argentinean cars and trucks aftermarket. The application had a very simple to use user interface, designed to help Cromosol's clients to see always-updated pricing with their stock availability and send parts requests.
Road toll system
Toll system
Project Leader at TEING, an industrial control systems company. The developed product was a Smalltalk based system to manage and control toll processing in a Road Concession Company. The software-controlled custom hardware devices like barriers, alarms, beacons, fiscal printers, hubs, axle counters and more. In those industrial environments, getting parts of the system offline due to thunderbolts is a common occurrence, so the system also had high-performance requirements with several fault-tolerant strategies that allowed the system to operate in real-time and also with the server offline. All that running on Dolphin Smalltalk.
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