Czeysy Pataro
Senior Software Engineer @Optos
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WORK HISTORY
Senior Software Engineer @Optos
Responsible for designing, implementing, and maintaining high-quality software solutions for retinal imaging devices used in clinical and diagnostic environments. Work involves extensive use of C#, WPF, MongoDB, and SQL Server to support both frontend and backend development, as well as integration with imaging hardware and secure data workflows.• Development and maintenance of new and existing features within a large distributed codebase built on.NET (C#) and WPF, integrating with complex imaging and hardware systems.• Implementation of Windows and Web services, PowerShell automation, and Python-based automated tests to improve software reliability and deployment efficiency.• Management of source control and continuous integration pipelines using Git and TeamCity, ensuring consistent, traceable builds across multiple product lines.• Investigation and resolution of defects and integration issues spanning software and hardware layers, with a focus on long-term corrective actions and system stability.• Support of CRM and field teams by analysing and diagnosing software-related incidents, contributing to faster issue resolution and improved device performance.• Active participation in projects following the SAFe Agile framework, including design, development, testing, and release phases. Trained in both Agile and Scrum Master practices, contributing throughout the full software development lifecycle (SDLC).
EDUCATION
Universidade Positivo
System Analysis and Development , Technology in Information Technology / Information Systems
SKILLS
ABOUT CZEYSY PATARO
Senior Software Engineer with over a decade of experience designing, developing, and maintaining enterprise-level software systems across healthcare, research, and technology sectors.Experienced in building high-quality applications using C#.NET (Core & Framework), WPF, SQL Server, and MongoDB, with additional expertise in PowerShell automation, Python-based testing, and TeamCity DevOps pipelines. Skilled in integrating software with hardware and APIs to deliver secure, scalable, and high-performance solutions.Focused on diagnosing, troubleshooting, and resolving complex issues to ensure system reliability and maintainability across distributed architectures. Involved throughout the software development lifecycle (SDLC) under the SAFe Agile framework, including design, development, testing, deployment, and field support.Core Competencies.NET / C# · WPF · SQL Server · MongoDB · PowerShell · Python · Web & Windows Services · TeamCity · Git · Agile (SAFe / Scrum) · Hardware & API Integration · Debugging & TroubleshootingTechnical Expertise:• Core StackC#.NET (Core & Framework), WPF, MVVM, WCF, MVC, Entity Framework, Dapper• Web & FrontendASP.NET Core, Blazor (Server & WebAssembly), HTML, CSS, JavaScript (VueJS, React, jQuery,TypeScript)• DatabasesSQL Server, MongoDB, MySQL• DevOps & AutomationPowerShell, TeamCity, Azure DevOps, Docker, Git, IIS, GitLab CI/CD• MethodologiesAgile (SAFe, Scrum, Kanban, XP)• Architectural DomainsSoftware-as-a-Service (SaaS), API Integration, Distributed Systems, Windows & Web Services
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