Backend Developer

**Who We Are** Quartile, the world's largest retail media optimization platform, is a trusted partner for multichannel e\-commerce success. Through unmatched expertise and patented AI technology, we fuel growth for 5,300\+ brands and sellers worldwide and manage an annual ad spend exceeding $2 billion. The award\-winning platform covers major marketplaces and ad channels for optimal reach. The result is unprecedented granularity, smarter budgeting, and bespoke solutions for retailers. Quartile is proud to be an equal opportunity employer with employees stemming from a wide range of backgrounds and experiences. As a business, we value the enrichment that diversity brings to our organization and are committed to a culture that creates a sense of inclusion and belonging. We welcome new perspectives and affirm that all employment decisions are made without regard to race, color, ancestry, religion, national origin, age, familial or marital status, sex, sexual orientation, pregnancy, gender identity or expression, disability, genetic information, veteran status, or any other classification protected by federal, state, or local law. **Overview** We are looking for a Backend Developer to join our Interface Team! **Requirements** * Proven experience as a back\-end developer, preferably with at least 5 years of experience * Proficiency in .NET (C\#) * Experience in web application development using relevant frameworks such as ASP.NET Core and/or Flask * Solid knowledge of SQL Server and data modeling * Ability to optimize SQL queries and database performance * Familiarity with system integration through RESTful APIs and microservices * Experience with version control systems, such as Git * Troubleshooting and debugging skills * Ability to work both independently and as part of a team * Strong communication and collaboration skills * Strong knowledge of the Azure platform, including expertise in API Management and Service Bus * Excellent English communication skills (fluency in English is required for effective collaboration with English\-speaking team members) ….. If you reached this point, we hope you're feeling excited about the job description. Even if you don't feel that you meet every single requirement, we still encourage you to apply. We're eager to meet people that believe in Quartile's mission and can contribute to our team in a variety of ways – not just candidates who check all the boxes! **What You’ll Do** * Develop and maintain high\-quality back\-end applications using .NET and Python * Collaborate with the development team to design and implement efficient solutions * Integrate systems and services using APIs and microservices * Optimize application and database performance * Perform code testing and debugging * Document code and development processes * Work effectively in an agile team environment This is a PJ contract based out in Brazil.