.NET Developer Senior, Colombia

We are hiring a Senior .NET Engineer to join our team and help build complex back-end software solutions. You will work with a multicultural team spread across Brazil, Colombia, the UK, and the USA. All communication will be in English.

As a Senior .NET Engineer, you will design solutions, help guide less experienced developers, and help the team adopt new technologies and best practices.

What You Will Do

• Design, build, and maintain back-end services using C#, ADO.NET, and SQL Server
• Create and improve SOAP and REST APIs (following best practices and version standards)
• Write unit tests and integration tests to make sure services work correctly
• Find and fix problems in the code (root-cause analysis)
• Help integrate different systems and services together (using software design patterns)
• Review other developers’ code and provide guidance to junior team members
• Learn about new technologies and find ways to improve our current solutions
• Work on CI/CD workflows (automated testing and deployment) to improve how the team works

What You Need to Know

• Strong experience with .NET Framework and .NET Core in real production systems
• Deep knowledge of ADO.NET and SQL Server
• Experience with database design and making databases work faster
• Hands-on experience building SOAP and REST APIs
• Ability to work with XML (reading and writing XML data)
• Strong understanding of software design patterns and best practices
• Advanced English proficiency
• Ability to work well in multicultural, fast-paced teams

Soft Skills

• Takes ownership of your work and always looks for ways to improve
• Communicates clearly with both technical and non-technical people
• Works well with others and values the team’s success
• Can adapt when requirements change or situations are unclear

Nice to Have

• Experience with cloud platforms (preferably Azure)
• Knowledge of specification-driven development (building code based on clear requirements)
• Exposure to Agile development methods
• Understanding of modern software development approaches

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