ROBERTO AVELINO ALVES JUNIOR

ROBERTO AVELINO ALVES JUNIOR

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Mid-Level Full Stack Engineer | .NET Core, Angular & React | API & Microservices Development | Scalable Backend Systems | Clean Code & Agile
São Paulo, State of São Paulo, Brazil

Contact ROBERTO regarding: 
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Full-time jobs
Starting at USD3.5k/month
Flexible work
Starting at USD35/hour
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Résumé


Jobs verified_user 0% verified
  • Safra
    Mid-level Full Stack Engineer
    Safra
    Nov 2025 - Current (7 months)
    - Delivered end-to-end frontend and backend solutions for business-critical financial systems using C#, .NET, Angular, SQL Server, and REST APIs, owning a full product view from start to finish and participating in every stage of the delivery process across assigned projects. - Led modernization and cloud migration initiatives by upgrading .NET versions and migrating on-premises applications to AWS, improving system stability, scalability, and maintainability while simplifying deployment flows across development, homologation, and production environments. - Delivered a fixed-income rate range journey that gave managers 100% ownership of rate negotiations within predefined limits, eliminated back-office approval dependency, and enabled insta
  • Safra
    Full Stack Engineer
    Safra
    Jun 2023 - Nov 2025 (2 years 6 months)
    - Led the resolution of 100% of the high-priority security vulnerabilities identified by the internal security team across critical onboarding and accreditation systems, strengthening security and platform resilience. - Designed and implemented an innovative Pix transaction journey for a new banking solution, allowing customers to view account details through a messaging app and initiate a unique facial-recognition flow to complete transactions with greater speed, convenience, and usability. - Maintained and evolved production systems for onboarding journeys, reducing production incidents by ~50% and resolving all critical cases within SLA while sustaining operational continuity for high-demand banking workflows. - Implemented integrations
  • Safra
    Trainee Full Stack Developer
    Safra
    Jun 2022 - Jun 2023 (1 year 1 month)
    - Contributed to the development and evolution of onboarding and account-opening systems, supporting customer acquisition and operational processes in the financial sector. - Improved internal onboarding journeys for manager-facing systems, making flows ~30% more efficient by optimizing database queries and parallelizing backend processes, streamlining operations for business teams. - Supported maintenance and production stability for onboarding-related projects, resolving 100% of critical issues within SLA and building strong foundations in clean, maintainable software delivery. - Collaborated closely with peers and stakeholders, standing out for communication, ownership, and a strong learning curve in a demanding environment.
Education verified_user 0% verified
  • ADA
    Professional Certificate, Full Stack Software Development
    ADA
    Jan 2022 - Dec 2023 (2 years)
    Intensive 600-hour professional training focused on Full Stack development with C#, JavaScript, and Angular, emphasizing real-world projects, clean code, and production-ready systems.