Saulo Vargas

Saulo Vargas

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Full Stack Web Developer — Product Engineering
Olavarría, Buenos Aires Province, Argentina

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Résumé

Jobs verified_user 15% verified
  • G
    Full Stack Software Developer – Volunteer
    Global Non-Profit Organization
    Nov 2025 - Current (1 year)
    • Contributing to a complete rewrite of a cross-platform study app, unifying Windows, ios, Android, and web codebases into a single modern frontend.
    • Building atomic UI components per Figma specs - inputs, base primitives, and multi-state workflows.
    • Shipping features for a platform in 1,120+ languages reaching tens of millions of users globally, within strict accessibility, i18n, and quality standards on a large distributed team.
    • Applied algorithm development, coding, systems design, and data structures to support platform development.
  • R
    Founder and Full Stack Software Developer
    RusticIT
    Aug 2019 - Current (7 years 3 months)
    • Founded and led a product engineering company as CTO of RusticIT, building customer portals, Saas platforms, internal tools, and marketing websites for international clients.
    • Delivered 15+ projects per year across 5 countries; grew and coordinated a team of up to 7 people.
    • Built EntrenoLibre, an in-house sports-tech product for tournament organization, live scoring, and Al-assisted content generation. (https://entrenolibre.com)
    • Developed Cryptic, an in-house platform to monitor cryptocurrency arbitrage opportunities. (https:
  • R
    Full Stack Software Developer
    Rösberg
    Dec 2024 - Apr 2026 (1 year 5 months)
    • Owned most of SmartExi's implementation - a browser app using tRPC, Prisma, and PostgreSQL for ATEX safety calculations, explosion-protection compliance workflows, and PDF certificate generation.
    • Delivered UI flows, data models, safety logic, and release automation across the full stack, accelerating the product to release readiness.
    • Built 20+ custom Angular item types for the LiveFORMS.web viewer, covering dates, photos, formulas, and other structured inputs.
    • Led the implementation of a custom CI/CD for a Webservice, Database, and Bucket.
    • Performed systematic troubleshooting of complex Angular/Formly applications, XML-to-JSON transformations, PDF generation, and safety-critical engineering calculations.
    •
  • Synphonyte
    Full Stack Software Developer verified_user Verified experience
    Synphonyte
    Apr 2023 - Dec 2024 (1 year 9 months)
    • Learned Rust and Leptos to contribute to PlantMyTree, implementing image upload, gallery browsing, and plantation-growth tracking.
    • Contributed to Leptos-Use, Synphonyte's open-source Rust/Leptos utility library for the broader Leptos ecosystem.
    • Led an implementation using AWS S3 Buckets and Lambda.
    • Applied algorithm development, coding, systems design, and data structures to project tasks.
  • Ranker
    Full Stack Software Developer
    Ranker
    Mar 2022 - Mar 2023 (1 year 1 month)
    • Delivered pixel-perfect, animation-heavy features for WatchWorthy, a consumer mobile app for personalized TV and streaming recommendations.
    • Implemented 10+ onboarding and recommendation features across Vue, Nuxt, Node.js, Sequelize, and Cytoscape.js.
    • Maintained design fidelity and consistent behavior across Android screen sizes and resolutions.
    • Leveraged algorithm development, coding, systems design, and data structures in feature delivery.
  • Synphonyte
    Full Stack Software Developer
    Synphonyte
    Jun 2018 - Feb 2022 (3 years 9 months)
    • Built complex workflows for Canaray Voxel, a dental imaging app: drag-and-drop tree views, anatomy organization, case navigation, and collaboration tools.
    • Designed RenderTest, an automated end-to-end visual regression pipeline that ran against every Merge Request's preview deployment, capturing screenshots and diffing them against approved baselines to ensure UI correctness.
    • Integrated RenderTest into a Slack-based review workflow, enabling reviewers to promote changes or file issues, creating a repeatable, team-wide quality gate.
    • Created an internal Chrome extension to inspect rendered-view data flow, improving debugging and developer onboarding.
    • Utilized algorithm development, coding, systems design, and data
  • M
    Lead Full Stack Software Developer
    Municipality of Olavarría
    Nov 2008 - Aug 2018 (9 years 10 months)
    • Led engineering and long-term maintenance of public-health systems used by 1,000+ internal users across healthcare and administrative areas.
    • Consolidated 900,000+ fragmented patient records into 300,000+ unified records (~67% reduction) with zero known false positives, involving systematic troubleshooting of clinical workflows, databases, and integrations.
    • Implemented SOAP-based integrations for system interoperability.
    • Contributed improvements that supported ISO 9001 quality standards for patient admission and identification.
    • Applied algorithm development, coding, systems design, and data structures to system maintenance and record consolidation.
Education verified_user 0% verified
  • ISIV
    Systems Analyst
    ISIV
    Jan 2014 - Jan 2017 (3 years 1 month)
  • E
    Technician in Personal and Professional Informatics
    EET 2 Luciano Fortabat
    Jan 2003 - Jan 2007 (4 years 1 month)
Projects (professional or personal) verified_user 0% verified
  • R
    EntrenoLibre
    RusticIT
    Mar 2019 - Current (7 years 8 months)
    Platform to manage sport tournaments