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Databuild

Mid-Level Full Stack Developer — C# (.NET) + React

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Remote

(Anywhere)

Salary Range

Not informed

Contractor

Experience Level

Mid level

Requirements

3+ years of experience in the career
Desenvolvimento em .NET e C#
React

Tasks and Responsibilities

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We are a rapidly growing technology consultancy expanding our Software Engineering team to build digital products and platforms that support critical decisions for our enterprise clients.


Here, good software isn't just code that compiles: it's what makes it to production, scales, and generates value. We transform complex requirements into robust systems, reliable APIs, and interfaces that end users actually rely on daily to run their business.


If you enjoy going beyond the code—understanding the problem, designing the solution, writing clean software, and ensuring the system is reliable end-to-end—come join us.



What you will do



  • Develop and evolve web applications in .NET / C# (APIs, services, and high-performance back-ends).
  • Build rich, responsive interfaces in React (components, hooks, state management, and API integration).
  • Design and implement well-architected, secure, and well-documented RESTful APIs.
  • Work with relational databases (SQL Server and PostgreSQL): data modeling, queries, and performance tuning.
  • Apply best practices in Clean Code, SOLID principles, automated testing, and version control with Git.
  • Participate in code reviews, propose technical improvements, and raise the team's quality bar.
  • Collaborate with Data Science, Data Engineering, Product, and Design teams to deliver end-to-end solutions.
  • Document technical decisions, API contracts, and architecture patterns.


Requirements



  • Practical experience with C# and .NET (preferably .NET 6+, ASP.NET Core, Entity Framework).
  • Solid experience with React, TypeScript, and API consumption.
  • Proficiency in SQL (joins, indexes, performance) and relational data modeling.
  • Knowledge of web application architecture (REST, authentication/authorization, layer separation).
  • Version control with Git and team workflows (branches, PRs, code review).
  • Automated testing (unit and/or integration tests).
  • Strong analytical skills: structuring problems, proposing solutions, and communicating technical trade-offs.


Bonus Qualifications



  • Docker, messaging (RabbitMQ / Kafka), CI/CD, microservices, and DDD practices.


What you'll find here



  • Challenging projects with major companies and real-world technical challenges.
  • Fast-paced growth environment with room for ownership and professional development.
  • Team culture focused on collaboration, autonomy, delivery, and quality.
  • Modern tech stack with genuine encouragement for automation, testing, and engineering best practices.
See all jobs at Databuild

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