[Job-31651] Tech Lead FullStack (.Net/React), Brazil

    ~$79,576 - $147,784Market Estimate
    Brazil
    Full-Time
    Senior (7+ yrs)
    Engineering & Development
    Leadership
    Posted on September 14, 2026

    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.

    Company:  CI&T

    Global tech-integrated business solutions partner helping enterprises deploy AI and digital transformation.
    5001-10000 employees
    Software & IT Services
    HQ: United States