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! 

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