Available to hire
I’m Herbert Ribeiro Sampaio, a Brazilian software engineer with a passion for building scalable, user-friendly apps that empower schools, startups, and communities. I enjoy shaping architectures and collaborating with cross-functional teams to deliver features that users love, from mobile experiences to robust web platforms.
When I’m not coding, I lead and contribute to initiatives like the UFV Coworking Space Management System and TrySrc, exploring new technologies, mentoring teammates, and sharing knowledge across Brazil. I value accessibility, measurable impact, and continuous learning as drivers of product success.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
Portuguese
Fluent
English
Advanced
Work Experience
Coworking Space Management System Project Lead at Federal University of Viçosa – Rio Paranaíba campus
January 1, 2023 - December 31, 2025Spearheaded the development of a centralized coworking space management system. Analyzed existing manual workflows, identified bottlenecks, and implemented automated processes to replace manual tasks, significantly improving efficiency and reliability. Centralized data and workflows to streamline scheduling, management, and administrative operations, accelerating daily activities for users and administrators.
Mobile App Developer (Flutter) at Federal Institute Bahia
January 1, 2019 - December 31, 2019Developed Android application Appneus using Flutter (Dart). Planned and implemented a simple, clean UI/UX to improve fluidity, usability, and performance. Coordinated and produced educational tutorials with Marcos Melo to support tire reuse initiatives, delivering tutorials as short, actionable steps for self-paced learning.
Mobile Software Engineer (Mid-Level) at Linx (TOTVS Group)
January 1, 2025 - PresentDeveloped and delivered features, bug fixes, and performance improvements for the Sponte mobile application serving over 150k monthly active users across major Brazilian education networks. Redesign of critical UI/UX flows increased app store rating from 2.8 to 4.8 within 6 months. Led continuous visual and usability enhancements across Android and iOS, and managed releases and versioning.
Mobile and Web Software Engineer at AIDA Business
January 1, 2024 - December 31, 2025Contributed to the development of a robust ERP and POS system. Delivered features across web and mobile platforms using React.js, React Native, Expo, Next.js, TypeScript, PHP, Prisma, SQL, and MVVM. Implemented end-to-end order flow, invoice processing, tax calculations, and franchise management modules; enabled seamless platform integrations and API reliability.
Mobile and Web Software Engineer at LabTrack
January 1, 2023 - December 31, 2024Collaborated on a functional web and mobile system for an English language school. Implemented core features with React, React Native, and TypeScript, focusing on usability, performance, and maintainability. Supported feature delivery and bug fixes throughout the project lifecycle.
Software Engineer at Verde Agritech
January 1, 2022 - December 31, 2025Delivered website and mobile application development across digital platforms. Implemented form integrations and workflow automations, integrated external APIs, and performed DevOps tasks including AWS hosting and domain configuration. Automated business processes with Looker Studio and Microsoft Power Automate; supported AI initiatives and Salesforce CRM reporting.
Co-founder and CTO at TrySrc Company
January 1, 2021 - PresentCo-founded a technology startup focused on mobile applications and software solutions. Led frontend mobile development, contributed to architecture and UI/UX consistency. Built Littera App (top 16 Smart Cities apps in Brazil 2025) and BiPejota, plus a real-time public transportation app with live vehicle tracking and event logging.
Lead Developer / Project Lead at Federal University of Viçosa – Rio Paranaíba campus (UFV)
January 1, 2023 - January 1, 2025Led the development of a coworking space management system; analyzed manual workflows, implemented automated processes, and centralized data to streamline scheduling, management, and administrative operations; improved efficiency and decision-making.
Mobile App Developer at Federal Institute Bahia
January 1, 2019 - January 1, 2019Developed Android app Appneus using Flutter; designed simple UI/UX; produced educational tutorials to promote tire reuse through crafts; organized tutorials into actionable steps for learner-friendly content.
Co-founder & CTO at TrySrc Company
January 1, 2021 - PresentCo-founded a mobile-focused software startup. Led frontend mobile development across multiple products, established architecture and UI/UX standards, and built apps such as Littera (top-ranked in Campus Mobile 2025) and BiPejota, plus a real-time public transportation app.
Project Lead at Federal University of Viçosa (Rio Paranaíba campus)
January 1, 2023 - January 1, 2025Spearheaded the development of a coworking space management system. Analyzed manual workflows, automated processes, streamlined scheduling and administrative operations, and centralized data to improve efficiency and decision-making.
Mobile Developer at Federal Institute Bahia
January 1, 2019 - January 1, 2019Developed an Android mobile application (Appneus) using Flutter, designed a simple, clean UI/UX, and produced tutorials in partnership with entrepreneur Marcos Melo to promote tire reuse; organized tutorials into actionable steps for learning at own pace.
Education
BSc at Federal University of Viçosa
January 1, 2021 - December 31, 2025Technical Degree at Federal Institute Bahia
January 1, 2017 - December 31, 2019B.Sc. in Information Systems at Federal University of Viçosa
January 1, 2021 - January 1, 2025Technical Degree in Information Technology (High School) at Federal Institute Bahia
January 1, 2017 - January 1, 2019B.Sc. in Information Systems at Federal University of Viçosa, Minas Gerais, Brazil
January 1, 2021 - January 1, 2025Technical Degree in Information Technology (High School) at Federal Institute Bahia, Brazil
January 1, 2017 - January 1, 2019Qualifications
Industry Experience
Software & Internet, Education, Professional Services, Media & Entertainment, Other
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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