i4pro

Senior Fullstack Developer, C# / React

i4pro

full-time

Posted on:

Location Type: Remote

Location: Brazil

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Job Level

Senior

Tech Stack

AzureDockerDynamoDBKafkaMongoDBMySQL.NETNoSQLPostgresRabbitMQReactSQLTypeScript

About the role

  • Architect and develop services and APIs in C# (.NET / .NET Core) following best practices (REST, SOLID, Clean Architecture, Clean Code).
  • Develop and maintain scalable, accessible React interfaces (Hooks, Context, global state; preferably with TypeScript).
  • Model data and implement efficient queries in SQL databases (e.g., PostgreSQL, SQL Server, MySQL) and NoSQL stores (e.g., MongoDB, DynamoDB).
  • Containerize applications and configure environments with Docker (multi-stage builds, Compose), supporting CI/CD pipelines.
  • Ensure quality with unit, integration and end-to-end tests, code reviews and engineering best practices.
  • Maintain security (authN/authZ, OWASP Top 10), observability (structured logs, metrics, tracing) and performance.
  • Mentor the team, disseminate best practices and actively participate in code reviews and design reviews.
  • Collaborate with Product, QA and UX for continuous discovery and delivery (Lean, Agile, Kanban/Scrum).
  • Write clear, sustainable technical documentation (architecture, technical decisions, setup guides).

Requirements

  • Strong experience in backend development with C# (.NET) and frontend with React.
  • Proficiency with REST APIs, API versioning and integration with external services.
  • Hands-on experience with .NET Core, dependency injection, middleware and HTTP pipelines.
  • Advanced practical experience with Docker in real projects (build, distribution and runtime across environments).
  • Proven experience with SQL (relational modeling, optimized queries) and NoSQL.
  • Knowledge of Git, CI/CD, automated testing and continuous integration (GitHub, GitLab, Azure DevOps).
  • Experience with scalable architectures, caching, messaging (e.g., RabbitMQ, Kafka) and observability.
  • Good communication, autonomy and a strong sense of ownership.
  • Bachelor's degree in a technology-related field.
Benefits
  • Meal allowance (Vale Refeição);
  • Grocery allowance (Vale Alimentação);
  • Sulamérica medical plan;
  • Sulamérica dental plan;
  • Wellhub and Totalpass;
  • Transportation allowance (Vale Transporte);
  • Childcare assistance;
  • Profit-sharing (PLR);
  • Life insurance;
  • Private pension plan;
  • Birthday day off;
  • Extended paternity leave;
  • Partnership with Creditas.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
C#.NET.NET CoreReactSQLPostgreSQLMySQLMongoDBDockerREST APIs
Soft Skills
communicationautonomyownershipmentoring
Certifications
Bachelor's degree