Fabio Selau

Remote, Brazil

• Own end-to-end delivery of a multi-tenant SaaS ERP (Laravel, PostgreSQL, Vue) serving 100+ client companies in retail and agribusiness, from database architecture to production deploys.
• Built the platform's electronic-invoicing engine: real-time integration with government tax APIs, the full draft-to-transmission lifecycle, a tax-calculation engine covering multiple corporate tax regimes, and cancellation/correction flows, all certified in the tax authority's test environment before go-live.
• Lead development of a precision-agriculture module: georeferenced field collection points, soil and foliar analysis pipelines, and agronomic recommendation engines validated with agronomists against national research standards.
• Built Friboots, a social network for the agribusiness community (feed, commodity quotes, groups, events, marketplace), delivering the Laravel backend and Flutter app, including native in-feed ads.
• Delivered MeteoCloud, a climate-intelligence platform: multi-vendor weather-station integrations (Ecowitt, Weather Underground), Apple WeatherKit forecasting (JWT/ES256), and automated natural-language weather reports.

Remote, Brazil · ERP and CRM company founded by a former Itaú executive.

• Core engineer on an after-sales & loyalty CRM used by ~50 companies, owning features across the Laravel backend, Vue frontend, and Flutter app.
• Built the campaign-delivery infrastructure end to end: channel configuration and an AWS Lambda send pipeline integrating the WhatsApp Business API, third-party WhatsApp gateways, and SMS providers.
• Designed and shipped production ML models (purchase propensity and discount affinity) so client marketing teams could target the customers most likely to buy.
• Extended the ERP with bulk-import tooling (products, services, customers) that cut setup effort for new clients.
• Built an embeddable gamified lead-capture widget for Nuvemshop storefronts: a prize wheel with merchant-configurable prizes and odds, feeding leads into CRM audiences.

Dourados, Brazil · Parallel venture.

• Founded and built Brazil's pioneering influencer-marketing marketplace, accelerated by FCJ Group, Aduela Ventures, and Grupo Mirante (Rede Globo).
• Grew the platform organically to 10,000+ influencers and 5,000+ advertisers, with US$15k+ transacted and zero paid acquisition.
• Built the entire product solo: Flutter app, Vue web platform, Laravel/Node.js backend, and Python pipelines on the Meta API computing engagement and retention analytics.
• Drove acquisition through technical, on- and off-page SEO, ranking #1 on Google for thousands of niche keywords.

Remote, Brazil

• Joined as an intern and converted to full-time within ~2 months; shipped features across the fiscal, inventory, and billing modules of a market-leading regional ERP (Laravel, Node.js, Vue).
• Built automated product intake from electronic-invoice XML files, eliminating manual data entry for inventory receiving.
• Integrated the ERP with e-commerce platforms including Shopify and Nuvemshop.
• Overhauled the CI/CD pipeline, cutting deploy times from ~8 to ~3 minutes.
• As Scrum Master, introduced structured code review and task refinement, cutting new production bugs by ~90%.

Dourados, Brazil

• Developer at UNIGRAN's innovation and startup-acceleration arm (10 early-stage startups), hands-on engineer on 2 of them with PHP and Python backends and Flutter apps.
• Early Flutter adopter (since the 2018 beta); standardized the team's requirements-gathering process, later adopted across acceleration projects.

Dourados, Brazil

• Delivered websites and custom web systems for local businesses while completing a Software Engineering degree, ranking client sites for competitive local keywords.