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. ### Join Us as a Senior .NET Engineer! 😃 Are you ready to step into an exciting role where your back-end development skills will shine? We’re seeking a Senior .NET Engineer to become a vital part of our dynamic team, working collaboratively across Brazil, Colombia, the UK, and the USA—all while communicating in English! #### What You’ll Do: - Design & Build: Develop and maintain back-end services using C#, ADO.NET, and SQL Server. - API Development: Create and enhance SOAP and REST APIs, ensuring adherence to best practices and versioning standards. - Service Reliability: Guarantee the reliability of our services through comprehensive unit and integration testing, troubleshooting, and root-cause analysis. - Collaborative Integration: Work on integrating various systems and services while utilizing effective software design patterns. - Mentorship & Code Reviews: Conduct code reviews and mentor junior team members, sharing your expertise and insights. - Stay Current: Keep up with emerging technologies and industry trends to continuously improve our solutions. - CI/CD Contribution: Play an integral role in our CI/CD workflows, enhancing our development efficiency. #### What We’re Looking For: - Experience: Strong experience with .NET Framework and .NET Core in production systems. - Database Skills: Solid understanding of ADO.NET and SQL Server, with hands-on experience in database design and performance tuning. - API Knowledge: Proficient in developing SOAP and RESTful services, including XML serialization/deserialization. - Design Patterns: Strong grasp of software design patterns and best practices. - Communication Skills: Effective communicator who thrives in fast-paced, multicultural teams. - Language Proficiency: Advanced English proficiency is a must. #### Soft Skills That Matter: - Proactive Mindset: Take ownership of tasks with a focus on continuous improvement. - Collaboration: Strong communication skills across both technical and non-technical audiences. - Team Spirit: A collaborative team player who values shared success. - Adaptability: Ability to navigate ambiguity and shifting requirements with ease. #### Nice-to-Have Skills: - Experience with cloud platforms, preferably Azure. - Familiarity with specification-driven development and agentic approaches. - Exposure to Agile development methodologies. If you’re a seasoned back-end developer eager to tackle complex challenges in a dynamic environment, we invite you to apply and become a part of our diverse team!#LI-THAI23 Our benefits: -Health and dental insurance -Meal and food allowance -Childcare assistance -Extended paternity leave -Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass; -Profit Sharing and Results Participation (PLR); -Life insurance -Continuous learning platform (CI&T University); -Discount club -Free online platform dedicated to physical, mental, and overall well-being -Pregnancy and responsible parenting course -Partnerships with online learning platforms -Language learning platform And many more! More details about our benefits here: https://ciandt.com/br/pt-br/carreiras At CI&T, inclusion starts at the first contact. If you are a person with a disability, it is important to present your assessment during the selection process. See which data needs to be included in the report by [clicking here](https://docs.google.com/presentation/d/12BqYLIGeEyp9t0ZdF2b4bvnjFLza4E8fmbcowWeBlfk/edit?slide=id.g3a9cf52bf2b_0_0#slide=id.g3a9cf52bf2b_0_0)[.](https://docs.google.com/presentation/d/12BqYLIGeEyp9t0ZdF2b4bvnjFLza4E8fmbcowWeBlfk/edit?slide=id.g3a9cf52bf2b_0_0#slide=id.g3a9cf52bf2b_0_0)This way, we can ensure the support and accommodations that you deserve. If you do not yet have the assessment, don't worry: we can support you in obtaining it. We have a dedicated Health and Well-being team, inclusion specialists, and affinity groups who will be with you at every stage. Count on us to make this journey side by side.