Back-end Developer

• Develop, maintain, and enhance APIs and workers, ensuring quality, performance, and scalability
• Implement integrations with external channels and partners, including the Meta/WhatsApp Cloud API and messaging providers, using HTTP and webhooks
• Develop, analyze, and optimize SQL queries and stored procedures in SQL Server, taking large-volume databases into consideration
• Develop and maintain automated tests, including unit and acceptance tests, using tools and practices such as xUnit and BDD/Gherkin
• Investigate and resolve technical issues, contributing to the continuous improvement of solutions
• Participate in code reviews, promoting development best practices
• Contribute to the modernization, refactoring, and maintenance of existing systems
• Work collaboratively with the team, sharing knowledge and seeking efficient solutions to technical challenges

• Strong experience with C# and .NET, preferably .NET 6 or later, in production environments
• Experience developing REST APIs, including contracts, versioning, and error handling
• Strong knowledge of SQL Server, including data modeling, indexes, execution plan analysis, and stored procedure development
• Experience with messaging and asynchronous processing, including queues, retry policies, and idempotency
• Knowledge of and hands-on experience with automated testing integrated into the development process
• Experience with Git, pull requests, and code reviews
• Familiarity with Artificial Intelligence tools used to support development productivity and quality
• Bachelor's degree, technology degree, or technical education