LandOffer[Job-31651] Tech Lead FullStack (.Net/React), Brazil
Job details
- Level
- Staff / principal
- Posted
- Sep 14, 2026
- Last confirmed open
- Oct 28, 2026
What you'll need to apply
Fields this application requires
Company-specific questions
- 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?
- Confirm the name of the company where you work/ Confirme o nome da empresa em que você trabalha atualmente
- 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
- Please confirm City, State and Country where you are currently living?essay
- What is your last/current MONTHLY GROSS salary in Brazilian Real (R$)?essay
- What is your desired MONTHLY GROSS salary or salary range in Brazilian Real R$ for a CLT contract?
About this role
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 Tech Lead Fullstack Developer to join our team!
This role will be primarily focused on Frontend development (70%) , with 30% Backend , working in a modern, collaborative environment focused on software engineering best practices.
Tech Stack
Frontend — 70%
- React
Backend — 30%
- .NET 8
- C#
Databases
- PostgreSQL
- MongoDB
- Entity Framework Core (EF Core)
Testing
- xUnit
- Bogus (Faker)
- NSubstitute
Frameworks & Tools
- MediatR
- AutoMapper
- Rebus
- Git
- GitFlow
Cloud, Messaging & CI/CD
- Microsoft Azure
- Azure DevOps
- Azure Pipelines
- Azure Service Bus
- YAML-based CI/CD pipelines
What you’ll be working on
- Developing Fullstack applications , with a stronger focus on Frontend;
- Developing and maintaining APIs and services using .NET/C# ;
- Building user interfaces with React ;
- Working with relational and NoSQL databases;
- Developing automated tests and applying software quality practices;
- Working with messaging and event-driven architectures using Azure Service Bus/Rebus ;
- Contributing to CI/CD processes using Azure DevOps and Azure Pipelines;
- Working with Git and branching strategies such as GitFlow.
If you have experience with React + .NET/C# and are excited about this opportunity, we’d love to hear from you!
#LI-AM5
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 .
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.