Company hires Backend and AI Developer in Salvador. **Responsibilities:** Create new services in microservices architecture, optimizing and improving the system. Provide support for legacy systems. Collaborate in the continuous improvement of development processes and best practices. Work together with the team to deliver high-quality and scalable solutions. Build robust and scalable back\-end infrastructure, often using a microservices architecture, to manage all processes. Construct, configure, and maintain the database that stores user information, betting history, and game data. Implement robust security measures to protect user data and prevent vulnerabilities such as SQL Injection, XSS, and CSRF. **Compensation:*** Salary: Negotiable. * Benefits: Negotiable. **Additional Information:*** Contract type: PJ * Duration: Full-time * Working hours: Negotiable. ***Work Location:*** *On-site in Salvador / BA* ***Application Deadline:*** *11/08/2025* ***Expected Start Date:*** *11/16/2025* ***JobId.:*** *29380235473* *✔ Follow:* ***@jobbol.empregos*** *on Instagram and get the best from the 2025 Job Market\.* ***\#TechJobs***