Francisco Beccaria

Francisco Beccaria

Software Developer at Koombea. +5 years building interfaces and products across fintech, e-commerce, and SaaS. Currently deep into AI tooling. Based in Buenos Aires, Argentina 🇦🇷

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Lore
2026

Document Q&A assistant. Upload PDFs and images, ask questions, get answers with cited sources. Built end-to-end as a RAG proof of concept: chunking, embedding, vector search, and streaming responses.

Next.jsOpenAIpgvectorPostgreSQLFly.io
Cognitiva
2026

Markdown documentation reader. Paste markdown and get a clean, paginated 3-column documentation site with sidebar navigation and table of contents. Download the result as a standalone HTML file.

HTMLJavaScript
ScopeGenScopeGen
2025 — Present

AI-powered project scoping tool built for Koombea. Generates WBS and PRD documents from a conversation-style input. Used internally with clients to replace a slow, manual process. Full product ownership: design, development, and stakeholder management.

Next.jsTypeScriptOpenAIClaudeRailsNew Relic
PresusPresus
2025

Budget management system with interactive dashboard, payment tracking, and transaction history.

Next.jsTypeScriptNestJSPostgreSQLGmail API
VationVation
2021 — 2025

Startup and venture capital research platform with advanced analysis and search tools. Worked on this for two years at Koombea — the project that led to being re-hired.

Next.jsTailwind CSSSanity CMSAuth0React Query
Everyone Can Build. Not Everyone Is Responsible.Feb 2026

AI democratized the tools, not the judgment. The differential isn't who can do more things, but who can take responsibility for making them go well.

The Loudest Voice Wins (Should It?)Oct 2025

In meetings without a clear leader, whoever talks most tends to take over. Not because they have better ideas, but because we confuse verbal fluency with leadership capacity.

Self-Consistency in LLMs: The Silent Effect That Degrades Long SessionsOct 2025

Why does an AI that starts perfectly begin making errors in long tasks? The context becomes a mirror, and past errors get reinforced.

Code as ResponsibilityJul 2025

Writing code is no longer an artisanal craft. We are the orchestrators. But final responsibility still rests with us.

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KoombeaKoombea
Apr 2026 — Present

Software Developer

Back to a full hands-on engineering focus across multiple concurrent client projects. Building Shopify storefronts, Next.js apps, full-stack Rails + Next.js, and React Native applications. Still owning ScopeGen as Product Engineer in parallel.

ShopifyNext.jsReact NativeRailsTypeScript
KoombeaKoombea
Sep 2025 — Apr 2026

Product Engineer

Full ownership of ScopeGen, an internal AI-powered project scoping tool. Responsible for product, design, engineering, and stakeholder management. The tool generates WBS and PRD documents using multiple LLMs (GPT, Claude, and others), replacing a slow manual process used with clients. Also collaborating on QA improvements and AI-assisted testing across other projects.

Next.jsTypeScriptOpenAIRailsTailwind CSS
KoombeaKoombea
Jan 2025 — Sep 2025

Frontend Developer & Project Coordinator

Re-hired for strong knowledge of a key client project and previous impact. Led coordination tasks alongside frontend development: organizing tasks, setting timelines, and staying in direct contact with the client's Head of Product. Also contributed to TD Bank Canada's internal support tool with a larger cross-functional team.

Next.jsTypeScriptReactTailwind CSS
Harley-Davidson Motor CompanyHarley-Davidson Motor Company
Sep 2024 — Jan 2025

Frontend Developer

Worked on the Harley-Davidson Worldwide Store, a large-scale micro-frontend platform built with Next.js and Contentful, supporting multiple languages and region-based content delivery. Part of the Checkout and PDP teams, collaborating remotely with teams across the US, Argentina, and India.

Next.jsContentfulTypeScript
KoombeaKoombea
Mar 2021 — Aug 2024

Frontend Developer

3+ years building across diverse client projects in fintech, marketplaces, e-commerce, and admin tools. Introduced Next.js at Koombea for the first time. Collaborated daily with clients from the US and Latin America, working closely with PMs, designers, backend developers, QA, and DevOps teams.

ReactNext.jsTypeScriptStimulusJSRuby on Rails