Mid-Level/Senior .NET Developer

. Develop, maintain, and enhance software applications and services .

Posted 10/15/2026full-timePorto Alegre • BrazilSeniorWebsite

Tools & technologies

AzureJavaScriptJUnitOracleSeleniumSQLSubversion

Key responsibilities & impact

Develop, maintain, and enhance software applications and services
Contribute to legacy system modernization and migration initiatives, particularly involving COBOL and Visual Basic 6
Develop solutions using object-oriented programming and development best practices
Participate in the technical analysis, implementation, and evolution of enterprise system components
Work with batch processing, file reading and writing, cursor manipulation, and database data processing
Work on online applications, addressing both backend and frontend requirements
Develop and maintain unit and functional tests, contributing to the quality and reliability of deliverables
Collaborate with different development teams in an environment with a large volume of code and shared components
Participate in team activities based on the Kanban methodology and track work through Azure DevOps
Contribute to the continuous improvement of solutions by identifying opportunities for optimization, complexity reduction, and technological advancement
Perform version control and source code management using Git and/or SVN

What you’ll need

Experience with C# and .NET
Knowledge of web development using HTML, JavaScript, and CSS
Strong knowledge of object-oriented programming (OOP)
Proficiency in development best practices and SOLID and DRY principles
Experience developing and maintaining enterprise applications
Experience with unit testing using JUnit and/or NUnit
Familiarity with design patterns and software architecture principles
Experience with version control using Git and SVN
Knowledge of Azure DevOps for backlog management and activity tracking
Experience with Agile methodologies, particularly Kanban
Strong communication and collaboration skills, with the autonomy to work in multidisciplinary teams
Availability for a hybrid work arrangement: 10 business days per month on-site in downtown Porto Alegre, RS
Experience with legacy system modernization, refactoring, or migration (preferred)
Knowledge of or experience with COBOL and Visual Basic 6 (preferred)
Knowledge of Oracle and SQL (preferred)
Familiarity with messaging systems, especially IBM MQ (preferred)
Experience with functional and end-to-end testing using Selenium and/or Playwright (preferred)
Experience in large-scale enterprise environments, with multiple teams working on the same solution (preferred)

Comp & perks