Francisco – Python, React, AWS

A dedicated marketplace and referral management platform for the home services and trades industry, enabling providers to exchange jobs, automate cross-promotion workflows, and securely manage referral reward payments.

• Developed an end-to-end data ingestion pipeline and integration with ServiceTitan to synchronize and manage external service data;
• Built AI-driven pipelines to automatically categorize service videos and generate service jobs from structured inspection forms, optimizing routing and job creation;
• Developed AI-based price estimation systems to predict service costs from textual descriptions, increasing initial pricing accuracy;
• Delivered full-stack features to improve platform-wide performance and user experience.

An all-in-one global HR and payroll platform that enables companies to hire, onboard, and pay international employees and contractors in 150+ countries, handling compliance, taxes, and localized benefits through Employer of Record services.

• Architected and built the General Ledger system using Node/NestJS, ensuring data integrity for double-entry accounting across a global client base;
• Designed and implemented scalable payroll processing systems handling complex international compliance requirements;
• Released enhancements that reduced payroll-related support tickets by 30% and improved user retention metrics;
• Standardized cross-team API contracts for payroll data ingestion, reducing integration errors by 15% and accelerating the monthly closing cycle;
• Collaborated with product teams to translate regulatory requirements into robust, tested technical solutions.

An app-based talent marketplace that connects independent healthcare professionals with nearby open shifts, providing on-demand staffing for facilities while giving workers flexible, self-managed schedules.

• Designed and implemented the core shift booking system using AWS EventBridge to handle high-concurrency scheduling events and improve system resilience;
• Implemented a bonus feature integrated with Braze to reward platform users under specific conditions, driving user engagement;
• Took ownership of complex backend services for a fast-growing healthcare marketplace;
• Designed and built a chat service in Node.js/Express enabling real-time communication between healthcare professionals and institutions;
• Implemented updated shift policies in the marketplace with automated communication workflows to impacted users.

A B2B sales intelligence platform powered by big data and AI, providing access to 20M+ Brazilian companies to help teams identify high-quality leads, segment markets, find decision-makers, and integrate with CRMs to accelerate outbound sales.

• Led the design of data models and backend systems to consolidate company data from multiple public sources into a centralized database used for B2B lead generation;
• Built and maintained data ingestion pipelines and web crawlers to collect, normalize, and transform structured and semi-structured data at scale;
• Worked on data transformation and enrichment workflows (ETL), ensuring data quality, consistency, and usability for downstream analytics and sales teams.

An international online gaming operator and software developer specializing in bingo- and casino-led brands, managing a diverse portfolio of well-known platforms across regulated global markets.

• Developed backend and frontend features for payment processing on a large-scale gaming platform;
• Implemented services to configure and integrate multiple payment methods.