Assist the back-end developer, who is responsible for implementing business logic, integrating with databases, and building APIs that support the application’s operation. Contribute to ensuring the stability, security, and efficiency of internal processes, guaranteeing that systems support usage across different environments and under varying demands. Also engage in server performance optimization, database organization and maintenance, and code adaptation to ensure compatibility, scalability, and adoption of the most current market technologies. **Responsibilities and Duties** * Consolidate foundational programming knowledge, learn the system and e-MCM development workflow, and adapt to internal technologies and processes; * Support the development and maintenance of the e-MCM system at the back-end layer; * Assist in the creation and integration of APIs and in implementing the business logic of the system’s applications; * Write basic documentation for developed code; * Contribute to database modeling and administration, ensuring data integrity and security; * Collaborate with front-end, design, and product teams to ensure seamless integration across all system components; * Participate in identifying and fixing bugs and applying best practices in information security; * Support the creation and execution of tests to ensure delivery quality and stability. **Requirements and Qualifications** Minimum: Currently pursuing a Bachelor’s degree in Technology, Information Systems, or Computer Science. Desirable: Completed Bachelor’s degree. Basic English; Intermediate Microsoft Office proficiency. Agility, adaptability, and time management skills. **Additional Information** **Benefits:** **For you and your family:** Christmas basket; extended maternity leave; paternity leave; childcare or babysitting allowance for mothers; Christmas gift for employees’ children up to age 10; school supply kit (for employees and their children enrolled in grades up to 9th); partnerships with SESI (leisure) and SENAI. **Health and well-being:** Intermedica NotreDame health insurance; Dental Plus dental insurance; pharmacy benefits; on-site clinic. **Work model:** 100% on-site. **Meals:** On-site cafeteria; meal allowance. **Mobility:** Commuter bus (based on route); parking; bicycle storage. **Conveniences:** Partnerships with educational institutions (undergraduate, postgraduate, MBA, and elementary education for children); language schools; Bradesco bank branch inside the company premises; digital banking platform for payroll-deductible loans. The **Brazilian Cartridge Company (CBC)** is a Brazilian company built upon three pillars: solidity, innovation, and customer focus. Our commitment is to support the operations and missions of Brazil’s Public Security Forces and Armed Forces, acting as the National Arsenal for safeguarding national sovereignty. Internationally, CBC operates globally and ranks among the world’s largest ammunition suppliers to NATO countries. To fulfill this mission effectively, we seek the most qualified professionals in the market—individuals eager to make a difference and aligned with our purpose. Explore our open positions and all available roles. Here, collaboration is key—we work as one unified team striving collectively toward results! Join CBC! **#joincbc**