[Job - 31387] Mid-Level .NET Developer, Brazil
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
Skills
As published by lever · 21 questions · 3 written answers
Basics
Resume/CV, Full name, Pronouns, Email, Phone, Current location, Current company, LinkedIn URL
Short answers (4)
- If the previous answer is Yes, please share the name(s) of these individuals. optional
- What is your salary expectation for this position? (Brazilian Reals - CLT)
- How comfortable do you feel working in an English-speaking environment?
- Confirm the name of the company where you work/ Confirme o nome da empresa em que você trabalha atualmente
Pick from a list (13)
- How did you hear about our job opening? optional
- 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? optional
- 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. optional
- Do you require any type of accessibility for the selection process and/or in your daily life?? optional
- The answers below are optional. This data will be used for our affirmative actions. Considering this scenario, do you feel comfortable answering the questions below? optional
- Would you like to tell us your gender identity? optional
- Are you part of the LGBTQIAP+ community? optional
- How do you self-declare your color/race? optional
- Are you a person with disabilities? optional
- If so, tell us what type of disability you have optional
- [EN] What is your level of confidence when communicating and collaborating in an English-speaking work environment? optional
- [ES] What is your level of confidence when communicating and collaborating in an Spanish-speaking work environment? optional
- By selecting the option below, I declare that I have read, understood, and agree to the terms of this document, and I consent to the processing of my personal data by CI&T and Lever for the purposes described herein. Read the document here: https://drive.google.com/file/d/1dMaskYl2VD1AtN9MfiHrZiA-YFYwq8aI/view optional
Written answers (3)
- For how long have you worked with .Net?
- Do you have experience with AWS, Azure or Google Cloud?
- How long have you worked in Development?
Attachments (1)
- IMPORTANT! If you answered that you are a person with a disability, this step is mandatory. Attach the medical report here optional