Roberto Moura
@robertomoura1
Senior .NET software engineer specializing in secure authentication, microservices, and cloud-based payment and anti-fraud systems.
What I'm looking for
I’m a Senior Software Engineer with 8+ years of experience delivering secure, encrypted systems for financial services. In my current role, I develop critical authentication and anti-fraud capabilities, evolving authentication APIs with .NET 9/.NET 10, Mediator pattern, and Refit within a microservices architecture.
I’ve also led modernization initiatives—migrating legacy applications to modern web architectures with .NET and React, building secure API gateway flows (Apigee), and strengthening security through PCI-DSS/OWASP-aligned practices and vulnerability remediation. I focus on scalability, high availability, and dependable delivery across AWS/Azure/GCP, while collaborating with global teams and driving stability improvements (including a 98% reduction in processing time and a mobile app reaching 250k+ downloads).
Experience
Work history, roles, and key accomplishments
Developing critical security and anti-fraud solutions, including authentication APIs in a microservices architecture using .NET 9/10. Implemented advanced security mechanisms (biometrics, facial recognition, risk analysis) and configured secure API gateway flows.
Software Developer Engineer III
Tech WEX Inc.
Aug 2022 - Aug 2025 (3 years)
Developed and evolved global payment platforms and backend services in .NET for corporate payments. Led modernization efforts including migration of legacy systems, security/compliance practices (PCI-DSS/OWASP), and CI/CD and infrastructure using Azure DevOps and cloud services.
Senior Full Stack Developer
Porto Seguro
Mar 2022 - Aug 2022 (5 months)
Maintained and evolved legacy systems using .NET and Oracle SQL to support the New Insurance Quoter. Developed modern features using Go and React and worked on AWS infrastructure and related tooling.
Senior Full Stack Developer - Consultant
Pantheon Inc
Oct 2021 - Feb 2022 (4 months)
Led the migration of a legacy time-tracking system (PowerBuilder) to a modern web architecture using .NET and React. Coordinated cross-border collaboration in an Agile environment and ensured code quality and system stability during the transition.
Full Stack Developer
Itaú Unibanco
Oct 2017 - Oct 2021 (4 years)
Developed a BI ecosystem spanning web (Angular/.NET), desktop (Windows Forms), and dashboards to provide real-time data access. Automated operational workflows for Itaú Corretora and reduced financial data processing time by 98%.
Education
Degrees, certifications, and relevant coursework
FIAP - Faculdade de Informática e Administração Paulista
Postgraduate Specialization in .NET Systems Architecture with Azure, Distributed Systems & Cloud High Availability
2025 - 2026
Postgraduate specialization focused on .NET system architecture with Azure, covering distributed systems and cloud high availability. Completed multiple end-to-end projects and a hackathon applying advanced architecture patterns.
Universidade Presbiteriana Mackenzie
Postgraduate, Project Management
2021 - 2022
Postgraduate course in project management covering scope, schedule, costs, risks, quality, stakeholders, and agile methodologies. Focused on applying project management concepts to real-world scenarios.
FIAP - Faculdade de Informática e Administração Paulista
Specialization: Mastering C#, Full-Stack Development & C# Ecosystem
2023 -
Six-month intensive specialization covering the C# ecosystem and full-stack development concepts. Built scalable applications using ASP.NET Core, EF Core, and Web API design.
Universidade Presbiteriana Mackenzie
Bachelor of Engineering, Mechatronics Engineering
2011 - 2015
Bachelor's degree in mechatronics engineering. Completed undergraduate study in mechatronics systems and related engineering fundamentals.
Availability
Location
Authorized to work in
Job categories
Skills
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