[Job - 31387] Mid-Level .NET Developer, Brazil

CI&T · Brazil

Spotted 1h agoHomeoffice

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  • Current company
  • Do you have any relatives (such as parents, siblings, in-laws, spouses, or children, stepchildren, stepfather/stepmother, son-in-law/daughter-in-law), close friends, or acquaintances (with whom you have a significant and ongoing relationship) who currently work at CI&T?
  • Do you have availability for on-site work at the Campinas office (Brazil) every day? Just for informational purposes, in case your application is considered for other open positions.
  • Do you require any type of accessibility for the selection process and/or in your daily life??
  • [EN] What is your level of confidence when communicating and collaborating in an English-speaking work environment?
  • How comfortable do you feel working in an English-speaking environment?
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Job description

About this role

Employer-provided description, formatted for easier reading.

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.

We are looking for a Mid-Level . NET Engineer to join our team and drive the development and integration of complex back-end software solutions. You will work closely with a multicultural team distributed across Brazil, Colombia, the UK, and the USA, collaborating daily in English and contributing to robust, scalable services and integrations.

Must-Have Skills: . NET Experience: strong experience with . NET Framework and .

NET Core in production systems. Backend Development: hands-on experience building back-end services with C#, ADO. NET, and SQL Server.

APIs & Integration: solid experience implementing and evolving SOAP and RESTful services, including versioning and best practices. Data & Persistence: strong understanding of ADO. NET, SQL Server, database design and performance tuning.

XML: proficiency in XML serialization/deserialization. Software Design: solid grasp of software design patterns and engineering best practices. Testing & Reliability: experience with unit and integration testing, troubleshooting and root-cause analysis for service reliability.

Communication: effective communication skills in multicultural, fast-paced environments. Language: advanced English proficiency (all communication in English).

Key Responsibilities

  • Design, build and maintain back-end services using C#, ADO.
  • NET and SQL Server.
  • Implement and evolve SOAP and REST APIs, ensuring proper versioning, security and best-practice standards.
  • Ensure service reliability through unit and integration tests, troubleshooting, monitoring and root-cause analysis.
  • Collaborate on integration between multiple systems and services, applying appropriate software design patterns.
  • Conduct code reviews, provide technical feedback and mentor junior engineers.
  • Stay current with emerging technologies and industry trends, applying them to improve existing solutions.
  • Contribute to CI/CD workflows and best practices to increase development efficiency and deployment quality.
  • Soft Skills Ownership & Continuous Improvement: proactive in taking responsibility for tasks and driving improvements.
  • Communication: able to clearly explain complex technical topics to both technical and non-technical audiences.
  • Collaboration: team player who values shared success and cross-functional collaboration.
  • Adaptability: comfortable navigating ambiguity and shifting requirements in a dynamic environment.
  • Nice-to-Have Skills Cloud: experience with cloud platforms, preferably Microsoft Azure.
  • Modern Practices: familiarity with specification-driven development and agentic approaches to software development.
  • Agile: exposure to Agile methodologies (Scrum, Kanban, etc.)
  • The successful candidate will deliver reliable, performant back-end services and integrations, help elevate engineering standards through reviews and mentorship, and collaborate smoothly across time zones and cultures using English as the primary language.
  • If you are a seasoned back-end developer ready for complex challenges in a dynamic, multicultural environment, we invite you to apply and become part of our diverse team!
  • #LI-THAI23
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