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Senior Backend Engineer · 18y · Enterprise integrations & high-stakes migrations at scale · PHP/Symfony · OSS @ yielab
Senior backend engineer, 18 years in. The last 8 as a contractor embedded with US agencies — Taoti Creative, weKnow Inc, Wunderman, AccelOne — delivering enterprise platforms for government, public institutions, nonprofits, and Fortune 500 clients including the U.S. Capitol Visitor Center, Legal Services Corporation, Nestlé, Movistar, and Kinaxis. PHP, Symfony, Drupal. Before that, 10 years across stacks I picked up as the work demanded: ActionScript and Flash applications, custom CMS platforms in Ruby on Rails and PHP/Yii, and React + Gatsby frontend work on several engagements. The work I gravitate toward: complex third-party integrations (Salesforce with custom Apex, Stripe, SAML/OAuth SSO, Firebase, Twilio), data migrations across Drupal 7 through 11 with full data fidelity, and stabilization of legacy codebases. Multiple concurrent engagements, code review, testing, and CI/CD (GitHub Actions, CircleCI, Docker) as daily practice. Outside of client work I build open-source developer tools under yielab — Tack (self-hosted project manager), Docket (ops layer for OpenClaw agent fleets), and Adapta (private LLM customization platform). Built with AI pair programming as a deliberate exploration outside my day-to-day stack, with the same engineering discipline as client work: specs before code, real test coverage, CI on every push. Based in Buenos Aires, working US time zones. Open to a full-time remote role where I can own real problems long-term.
Universidad Jorge Tadeo Lozano
Multimedia Production & Web Development, Coursework focused on web programming, multimedia systems, and interactive applications
January 1, 2003 – December 1, 2006
Xseed Solutions
Senior Backend Engineer
February 1, 2026 – May 1, 2026
Remote
weKnow Inc
Senior Backend Engineer
January 1, 2025 – January 1, 2026
Remote
Taoti Creative
Senior Backend Engineer
November 1, 2020 – April 1, 2024
United States · Remote
AccelOne
Senior Backend Developer
May 1, 2020 – September 1, 2020
United States
Cronoapp
Full Stack Engineer
June 1, 2019 – May 1, 2020
Colombia
Elam Ministries
Senior Backend Engineer
June 1, 2018 – May 1, 2020
United States
Wunderman Buenos Aires
Back End Engineer
January 1, 2017 – August 1, 2018
Greater Buenos Aires
Bogoman
Full Stack Engineer
January 1, 2008 – January 1, 2015
Bogotá D.C. Metropolitan Area
Lukuji
Full Stack Web Engineer
January 1, 2007 – December 1, 2016
Manttis
Web Developer
June 1, 2006 – December 1, 2007
Bogotá D.C. Metropolitan Area
Docket
May 29, 2026 – Present
Ops layer for OpenClaw autonomous agent fleets. Budget caps, project isolation, drift detection. spec-driven Bash. R&D project outside client work.
Adapta
May 29, 2026 – Present
Self-hosted RAG + LoRA fine-tuning platform. One OpenAI-compatible endpoint, your data stays on your hardware. Built as R&D outside client work using AI-assisted development in Python and FastAPI.
Tack
May 29, 2026 – Present
Self-hosted project manager in a single binary — no Docker, no database server. Cross-platform release binaries. Built as R&D outside client work using AI-assisted development in Rust and SolidJS.
Cultural Fit Analysis
The candidate has a diverse project background, including government, non-profit, and enterprise clients, demonstrating adaptability. The personal R&D projects in AI, Rust, and Python show a strong interest in exploring new technologies and continuous learning, which is a positive cultural fit for innovation-driven environments. The long tenure in various contract and full-time roles indicates flexibility and a broad exposure to different organizational cultures. The target role of 'Backend Engineer' aligns well with the candidate's extensive backend experience.
Soft Skills & Operational Fit
The candidate's experience descriptions highlight collaboration with cross-functional teams, agile delivery, and leading migrations, suggesting good team collaboration and project management skills. The R&D personal projects indicate a proactive and innovative mindset, which aligns with a dynamic operational environment.