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. ### **Responsibilities:** * Design and build RESTful APIs and services in .NET that integrate a new partner\-facing portal with internal loan systems. * Implement business logic per documented API contracts and business rules. * Build and consume asynchronous, event\-driven integrations (message/queue\-based notifications). * Write automated tests and participate in code review. * Deploy and operate services in containers on Azure, using GitLab CI pipelines. * Troubleshoot and resolve defects across Development, QA, UAT, and Production environments. * Collaborate with the Business Analyst and Software Architect to clarify requirements and edge cases. ### **Requirements:** * 6\+ years of professional software development experience with .NET (C\#), including independent ownership of complex features end\-to\-end. * Experience building and consuming REST APIs. * Practical experience with Microsoft Azure services (App Services, Functions, Service Bus, or equivalent). * Experience with containerized deployments (Docker). * Experience with Git and CI/CD pipelines (GitLab CI or equivalent). * Familiarity with automated testing frameworks (unit and integration tests). * Good English communication skills (B2\+) — daily collaboration with a US\-based team. ### **Nice to Have:** * Experience with OAuth 2\.0 / bearer\-token security patterns. * Experience with event\-driven or asynchronous architectures (Service Bus, pub/sub). * Experience in mortgage, lending, or financial services. * Experience integrating with legacy or mainframe systems via APIs. **Our benefits include:** * Premium Healthcare * Meal voucher * Maternity and Parental leaves * Mobile services subsidy * Sick pay\-Life insurance * CI\&T University * Colombian Holidays * Paid Vacations And many others. Collaboration is our superpower, diversity unites us, and excellence is our standard. We value diverse identities and life experiences, fostering a diverse, inclusive, and safe work environment. We encourage applications from diverse and underrepresented groups to our job positions.