01/02/2026 updated
100 % available
Senior .NET Developer with 15+ Years Experience
Fortaleza, Brazil
Only remote
Bachelor of Computer Science.NET FrameworkSoftware ApplicationsAuthenticationsDelphi (Programming Language)Business SoftwareSoftware QualityCode ReviewDatabasesContinuous IntegrationCommand-Query Responsibility Segregation (Software Development)Data SecurityDevOpsEntity FrameworkMaintenanceMicrosoft SQL Servers
.NET Development
Strong background in .NET backend development, with solid experience in modern architectures using .NET 8, BFF, and CQRS. Over 15 years of experience in software development, working with enterprise and high-availability systems.
Database Programming
Advanced skills in Oracle PL/SQL and SQL Server T-SQL for data access, system integrations, and database routine development.
REST API Development
Strong experience in REST API development and system integrations, with focus on backend development, performance, and maintainability.
Authentication & Authorization
Implementation of secure authentication and authorization mechanisms using JWT-based authentication for enterprise applications.
DevOps & Quality
Experience with Azure DevOps pipelines and SonarQube, supporting continuous integration, code quality monitoring, and deployment practices.
Legacy System Maintenance
Maintenance and enhancement of ASP.NET Web Forms, Windows Forms, and other business-critical legacy systems.
Data Access (Dapper & Entity Framework)
Data access and system integrations using Dapper for high-performance query execution and result mapping, with experience in Entity Framework when ORM-based solutions are appropriate.
Oracle Forms
Support and enhancement of corporate systems using Oracle Forms and PL/SQL for business applications.
Delphi Development
Development and maintenance of desktop applications for business-critical systems using Delphi.
Languages
EnglishBasic knowledgePortugueseNative speaker
Project history
Development of high-availability backends using .NET 8, BFF and CQRS. Data access and system integrations with Oracle PL/SQL using Dapper. Secure authentication using JWT. Application quality monitoring with Azure DevOps and SonarQube.
Maintenance and enhancement of ASP.NET Web Forms and Windows Forms applications. Development of SQL Server T-SQL routines. Support for critical legacy systems and implementation of technical improvements.
Development of REST APIs and financial system integrations. SQL Server routines for internal and external services. Code review, mentoring and engineering best practices. Promoted to Technical Lead within one year.