[Job - 31975] .NET Developer Senior, Colombia

At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions.

With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy.

We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day.

• →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

• 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

• 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

• 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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