Andre Rabello
Senior Software Engineer
Lisbon, Portugal

About
Over 10 years of experience. Passionate about web and game development.
Languages
- English
- Fluent
- Portuguese
- Native
- Spanish
- Intermediate
Experience
- Senior Software Engineer @ Neko HealthRemoteBuilding apps for patients, doctors, nurses and other medical staff.
- Built Neko's design system (maneki).
- Restructured the questionnaire system to support more complex data entry, improving the speed and accuracy of patient anamnesis.
- Built multiple highly interactive screens for the doctor-member debrief, demonstrated on the 3D avatar (blood flow, kidney/liver filtering) with data from newly introduced machines.
- Improved the UX flow for check-in, scheduling, payment, and referrals.
- Implemented a GDPR export function for patients.
~ Senior Software Engineer @ PrimerRemoteBuilt customer UI, developer SDK and internal tools.- Led engineering for Primer's design system (Goat).
- Restructured the main frontend codebase and replaced tooling, speeding up CI pipelines by 35%, build times by 3x, and local dev startup by 8x, which greatly increased engineering productivity.
- Maintained and iteratively improved a mission-critical, high-risk-to-change codebase, developing a long-term vision for re-architecture.
- Optimized application performance in that codebase, including 20% faster load times.
~ Senior Software Engineer @ OnfidoRemoteFocused on fraud prevention systems, frontend leadership and innovation.- Led engineering for Onfido's design system (Castor).
- Built a new team's frontend foundation, delivering one Single-Page Application and one Micro-Front-End for document region marking used to identify fraud signals.
- Mentored frontend engineers and created a beginner crash course covering JavaScript, TypeScript, and React.
- Refactored and improved legacy systems for maintainability, enabling faster feature development, quicker CI pipelines, better A/B testing, and improved monitoring.
- Revamped hiring processes and technical code challenges for frontend engineers.
~ Senior Software Engineer @ LuxoftKraków, Poland- Designed and developed the UI of a financial web app for a Fortune 500 company.
~ Software Engineer @ ExxonMobilCuritiba, BrazilDelivered successful products, improved processes and tech, and grew as a leader.- Led the technical execution of an agile transformation for a newly formed squad within a support team, implementing DevOps processes and tooling.
- Launched and maintained an internal open-source Angular adaptation library for the company design system.
- Built a PWA for scalable, elastic data submission and storage; originated from an internal hackathon and delivered turnaround improvements saving ~$1.5M per event.
- Championed best practices by hosting ongoing technical sessions and mentoring new interns.
- Ported and productionized a 360° imagery proof of concept using unsupported in-house technology into an app delivering tens of millions in value through reduced training and travel costs.
- Rebuilt a legacy manufacturing performance reporting web app from scratch without access to original code, applying a UX-first approach to redesign workflows.
~ Software Developer @ FSKCuritiba, BrazilBuilt enterprise software, developed full-stack, self-directed learning.- Designed and developed a consumer-facing Identity Manager (full-stack).
- Implemented internationalization (i18n) for a Fortune 500 legacy .NET phone billing application.
- Developed a compliance system for a Fortune 500 reseller points tracking system.
- Built an internal employee clocking app with geolocation and Google Maps integration.
Skills
Education
- Fontys Hogeschool VenloInternational Business and Management Studies
- Pontifícia Universidade Católica do Paraná / PUC-PRBusiness Administration