[Job - 32575] .NET Developer Senior, Brazil
Posted Updated
Description
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 hiring a .NET Developer to join an established engineering team working on a healthcare insurance technology project. The project helps insurance companies manage customer data and processes like underwriting, enrollment, eligibility, and policies.
You will work with senior engineers and technical leaders on full-stack development (frontend and backend), APIs, and system integrations. You should have strong .NET skills, work well with others, and be comfortable using AI tools to improve your productivity and code quality.
What You Will Do
- Develop and maintain application features using .NET and C#
- Build frontend (UI), backend, and API code based on project needs
- Create and maintain integrations with enterprise systems and external platforms
- Work with senior engineers on technical decisions, code reviews, and implementation
- Set up and maintain CI/CD pipelines (automated testing and deployment)
- Use AI-assisted development tools to speed up work, troubleshooting, and documentation
- Write clean, well-organized, and testable code following established patterns
- Participate in Agile meetings and collaborative problem-solving sessions
- Troubleshoot application issues and help ensure integrations work reliably
What You Need to Know
- Professional experience developing applications with C# and .NET
- Experience building and consuming REST APIs
- Understanding of full-stack application development (frontend and backend)
- Understanding of enterprise integration patterns (how different systems work together)
- Experience with relational databases and SQL
- Experience with Git and collaborative software development
- Familiarity with automated testing and CI/CD practices
- Ability to work independently on assigned tasks while collaborating with senior engineers
- Practical experience with AI-assisted development tools, or willingness to learn them
- Strong communication, problem-solving, and teamwork skills
- Advanced English skills for both spoken and written communication.
Preferred Qualifications
- Experience integrating enterprise applications (CRM, middleware, policy administration platforms)
- Exposure to Salesforce, MuleSoft, or IBM enterprise technologies
- Experience with complex business workflows or data-intensive applications
- Experience working in regulated industries (healthcare, finance, insurance)
- Familiarity with cloud environments and modern deployment practices
- Experience working in teams that use AI tools in software development
What Success Looks Like
- Delivering reliable, well-organized code that meets engineering standards
- Contributing effectively to UI, API, and integration work
- Collaborating well with senior engineers and other team members
- Using AI tools thoughtfully to work faster without compromising quality
- Supporting consistent, automated, and repeatable software delivery practices
#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:
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.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.
Skills
As published by lever · 23 questions · 3 written answers
Basics
Resume/CV, Full name, Pronouns, Email, Phone, Current location, Current company, LinkedIn URL
Short answers (6)
- If the previous answer is Yes, please share the name(s) of these individuals. optional
- What is your salary expectation? Only the numeric value (no currency, text, or benefits)/ Qual é a sua pretensão salarial? Apenas o valor numérico (sem moeda, texto ou benefícios).
- If you feel comfortable, please share your current or last salary and benefits / Caso se sinta confortável, compartilhe seu salário atual ou ultimo e benefícios optional
- Which city/state do you currently reside in? Qual cidade/estado reside atualmente? optional
- 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
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- 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
- 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
- [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
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