Available to hire
I’m Cassio Leite, a Senior Software Engineer who enjoys building scalable backend services and collaborating with cross-functional teams to deliver high-quality, regulatory-compliant software. I thrive in dynamic environments and love turning complex problems into maintainable solutions with clean code and solid architectures.
I’m passionate about microservices, cloud-native delivery, and continuous improvement through CI/CD, monitoring, and automation. I look forward to contributing to teams that value reliability, performance, and user-centric design while expanding platforms across borders.
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Work Experience
Senior Software Engineer at INFINIT
July 1, 2025 - July 1, 2025Maintain backend services in C#, .NET, and SQL Server for a B2C credit application; integrate financial partners’ APIs to support credit processing and international expansion; collaborate with frontend teams to deliver usable, compliant features; implement CI/CD pipelines with GitHub Actions to AKS; monitor applications using Grafana, Azure Monitor, Application Insights, and Log Analytics.
Senior Software Engineer at Mind Source | NOS Inovação
September 1, 2024 - September 1, 2024Architect and implement microservice applications using C#, .NET, MongoDB, and Kubernetes; migrate legacy monoliths to microservices; move on-prem solutions to Azure with Terraform; establish CI/CD with GitHub Actions and Jenkins for on-prem and Azure Kubernetes clusters; monitor with Grafana and Kibana.
Software Engineer at paySimplex
January 1, 2021 - January 1, 2021Develop mobile parking payment application using C#, .NET, SQL Server, and Azure; create B2B systems for park management; integrate partners’ APIs to enable expansion to new Portuguese cities; maintain legacy .NET MVC apps; build internal platforms to manage employees, users, customers, and products with dashboards using Vue.js and .NET APIs.
Software Engineer at BHS
February 1, 2019 - February 1, 2019Maintain and fix an online rental car system for a Latin American leader; develop systems for file access with sensitive data in C#; build an internal car rentals system for call center orders with Angular, .NET, SQL Server, and Azure.
Software Engineer at Attps Tecnologia/Sinqia
March 1, 2017 - March 1, 2017Implement and maintain fintech solutions for major Brazilian banks; develop and maintain integrated credit solutions for social security and private pension funds.
Education
Bachelor in Computer Science at UNIBH
August 1, 2007 - December 1, 2010Qualifications
Microsoft Certified: Azure Fundamentals
December 1, 2023 - November 3, 2025Industry Experience
Software & Internet
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Expert
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