Software Engineer · Buenos Aires 🇦🇷

Tomás Frechou

I design, build, and launch digital products end to end, from native iOS apps to full-stack web experiences. A Computer Engineer with over six years of experience, nearly six of them at JPMorgan Chase.

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WorkiOS apps, designed and built by me

Experience

Indie Software Engineer

2026 — present

I build Leaf Bookmarks and Faro, two iOS apps I take end to end: product, design, development, backend, launch, and distribution.
Native development with Swift and SwiftUI; backend, data, and authentication on Supabase.
I maintain their product sites in Next.js on Vercel and automate builds and releases with Xcode Cloud and TestFlight.
I integrate AI-assisted features such as summaries, semantic search, guided reflections, and personalized reviews.
I also shape the user experience, business model, App Store presence, and ongoing evolution of each product.

Freelance Software Engineer

Aug 2026 — present

I own freelance engagements end to end: client requirements, UI design in Figma, technical architecture, implementation, and delivery.
I am currently building a web application for an architecture studio with Next.js and React, Three.js for GLB model rendering, Supabase, Cloudflare R2, PostHog, and Vercel.

JPMorgan Chase

2020 — 2026

Senior Associate Software Engineer2026
Associate Software Engineer2023 — 2026
Software Engineer2021 — 2023
Software Engineer Intern2020 — 2021

Led the migration of the team's main app from desktop to web with React.
Built micro frontends to enable modular, independent deployments.
Designed a real-time system with SignalR and Kafka for live updates.
Modernized legacy .NET Framework 4.8 → .NET 6 applications.
Automated update and deployment processes for monthly releases.
Coordinated planning and task allocation while continuously delivering client improvements.
Supported UAT and Production environments, troubleshooting application and infrastructure issues.
Mentored teammates and acted as a technical point of reference on modernization projects.
Interviewed, onboarded, and gave technical training to new team members.

Education

Master's in Artificial IntelligenceUBA · 2025 — 2027 (ongoing)

Computer EngineeringUCA · 2016 — 2024

Stack

SwiftSwiftUIFigmaReactNext.jsThree.jsTypeScript.NETKafkaSupabasePostgreSQLAWSPython