Felipe Miranda
@felipemiranda1
I build robust C# .NET APIs with clean, testable code
What I'm looking for
I am a senior C#/.NET engineer who values clean code, SOLID design, and unit testing to reduce business risk and delivery breakage. I have led design and development across systems for public and private organizations, creating a clean code culture and delivering value through APIs, Entity Framework, Azure and Firebase authentication.
I participated in all stages of the development of a legal system for managing deadlines, contract control, and case progress in Brazilian courts via API consumption, taking responsibility for architecture, component selection and implemention. I continuously pursue smart, efficient solutions that align technology with operational outcomes.
Experience
Work history, roles, and key accomplishments
Senior Software Engineer
GPE - Gestão de Processos Empresariais
Dec 2024 - Present (8 months)
Designed architecture and led development of a legal case management system (deadlines, contract control, case progress) via APIs; established clean-code culture and selected core components. Implemented C#, Entity Framework, REST APIs, Azure Cloud, and Firebase authentication to deliver a maintainable platform.
Senior Software Engineer
ONS - Operador Nacional do Sistema Elétrico
Feb 2023 - Dec 2024 (1 year 10 months)
Supported and evolved critical power-grid systems implemented in .NET, delivering fixes and enhancements across backend and frontend components. Worked with C#, MVC, Entity Framework, WebServices/WCF, Angular, SQL Server and MongoDB to maintain system reliability.
Senior Software Engineer
NTT DATA
Sep 2021 - Oct 2022 (1 year 1 month)
Developed and supported .NET 5 APIs in C# following SOLID principles and automated testing practices to improve code quality. Utilized SQL Server, MongoDB, xUnit/Moq, Postman and Azure cloud environment for API lifecycle and testing.
Senior Systems Analyst
Havan
Mar 2021 - Sep 2021 (6 months)
Served as tech lead for .NET 5 API development, implementing messaging patterns and ensuring test coverage. Built solutions using C#, RabbitMQ (bus patterns), Entity Framework Core, SQL Server and automated tests with xUnit/Moq in Azure.
Senior Systems Analyst
Petrobras
Mar 2020 - Jun 2020 (3 months)
Provided systems support and maintained C# applications with SQL Server, managing tickets and SLA processes and automating builds/deploys via Jenkins. Ensured operational continuity and adherence to delivery workflows.
Senior Systems Analyst
Instituto Nacional de Câncer
Nov 2019 - Feb 2020 (3 months)
Developed .NET systems to support patient care processes, focusing on reliability and operational support for healthcare workflows. Implemented backend logic and SQL Server integrations to streamline patient management.
Senior Systems Analyst
ANP - Agência Nacional do Petróleo, Gás Natural e Biocombust
Jun 2019 - Nov 2019 (5 months)
Developed and evolved agency support systems using .NET and Oracle, delivering feature enhancements and maintenance to regulatory applications. Collaborated with stakeholders to implement requirements in production systems.
Senior Systems Analyst
Reserve Systems
Jan 2019 - Jun 2019 (5 months)
Developed and evolved a corporate travel management system using .NET MVC and SQL Server while managing source control with Team Foundation Server. Delivered enhancements to improve workflow and data integration.
Senior Systems Analyst
Fresenius Medical Care
Apr 2018 - Dec 2018 (8 months)
Developed and evolved production process implementations and versioning for corporate systems using .NET MVC and SQL Server to support operational needs. Managed deployments and system updates for production environments.
Senior Systems Analyst
LABET Exames Toxicológicos
Nov 2017 - Apr 2018 (5 months)
Evolved corporate systems using ASP/.NET and SQL Server; created an MVC .NET API for uploading/downloading medical reports and implemented an SAP interface via FTP with status control. Improved data exchange reliability across systems.
Senior Systems Developer
XNet
Apr 2017 - Nov 2017 (7 months)
Delivered an ASP.NET MVC system using Visual Studio and SQL Server, handling full-stack development and deployment. Implemented backend and frontend features to meet client requirements.
Senior Systems Developer
RightWay
Jan 2015 - Jan 2016 (1 year)
Developed ASP.NET MVC applications using DevExpress, NHibernate and Oracle DBMS to deliver enterprise features and UI components. Collaborated on integration with existing systems and optimized data access.
Full Systems Developer
Wilson Sons
Jan 2009 - Jan 2012 (3 years)
Supported finance systems and built interfaces to SAP via WebService; developed web and desktop applications using Visual Studio and Oracle while maintaining internal frameworks and DevExpress components. Delivered integrations for financial workflows.
Junior Systems Analyst
Wilson Sons
Jan 2007 - Jan 2009 (2 years)
Performed customizations in CRM Sales Logix and developed corporate registration systems using VB6, ASP, JavaScript and C# with Oracle 10g; created unit test projects to improve code quality. Supported legacy and new application development.
Education
Degrees, certifications, and relevant coursework
Instituto Infnet
Postgraduate Specialization, Software Engineering
2009 - 2012
Completed a Lato Sensu postgraduate specialization in Software Engineering at Instituto Infnet from 2009 to 2012.
Universidade Federal Fluminense
Bachelor of Computer Science, Computer Science
2002 - 2010
Bachelor of Computer Science from Universidade Federal Fluminense completed from 2002 to 2010.
Availability
Location
Authorized to work in
Job categories
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