Senior Full-stack Developer (React/.NET)

New

JobgetherSoftware development

Based in BrazilFull-TimeSenior

Salary not disclosed

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Job Details

Bachelor's degree in any field; all academic backgrounds are welcome.
Strong professional experience in full-stack development, including web frontend applications and backend services.
Advanced knowledge of React, TypeScript, HTML, and CSS, including component-based architecture, state management, and API consumption.
Experience with C# and .NET for APIs, backend services, and business applications.
Understanding of REST API design, contract documentation, data validation, and standardized error handling.
Experience with SQL and relational databases, ORM, and controlled database schema evolution.
Practical experience with asynchronous processing and messaging systems, including idempotency, retries, concurrency management, and transactional consistency.
Experience integrating applications with cloud services, file storage, and message queues.
Knowledge of authentication, server-side authorization, access control, and web application data protection.
Experience with automated testing, Git, code reviews, and CI/CD practices.
Problem-solving and analytical skills, including independently managing end-to-end deliveries and investigating technical issues.

Develop and maintain web interfaces using React and TypeScript, applying reusable components and accessibility, responsiveness, and performance practices.
Build user experiences with forms, tables, filters, and pagination, handling loading states, errors, and conflicts.
Design and evolve REST APIs using .NET, with documented contracts, input validation, standardized errors, and typed frontend integrations.
Implement business rules, application state management, permission controls, and data consistency, security, and traceability.
Develop background processing services and messaging integrations, using idempotency, concurrency management, and failure recovery.
Maintain relational database persistence and queries, including schema evolution, transactions, indexing, and query optimization.
Integrate systems and process structured files with data validation, compatibility, and error handling.
Implement authentication and authorization based on user roles and context to protect sensitive data, files, credentials, and operations.
Develop automated tests for components, APIs, contracts, integrations, and end-to-end user journeys; collaborate with QA to validate workflows.
Implement logs, metrics, and distributed tracing; participate in code reviews, technical discussions, and automated software delivery.

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