Job Summary: In this Junior Back-end Developer role, you will join Contato Seguro’s Innovation Team, directly implementing new features and improvements. Key Highlights: 1. Develop solutions that enhance products and impact the business 2. Join Contato Seguro’s Innovation Team 3. Contribute to building secure, well-organized, and scalable solutions Interested in developing solutions that enhance our products and directly impact the business? In this **Junior Back\-end Developer** position, you will join the **Contato Seguro Innovation Team**, directly implementing new features, improvements, and integrations across our systems. Your role will be to contribute to building secure, well-organized, and scalable solutions, supporting the continuous evolution of our products while ensuring performance, technical quality, and innovation in deliveries. **Responsibilities and Duties:** Develop and enhance features in web systems; Implement new solutions and structural improvements; Work on business logic in the back\-end, primarily using PHP; Perform integrations via APIs and Web Services; Manipulate and structure databases (SQL); Ensure proper version control practices using Git/GitHub; Apply coding, security, and performance standards defined by the team; Contribute technical suggestions and continuous improvements; Collaborate with multidisciplinary teams. **Requirements and Qualifications:** Currently pursuing or having completed a Bachelor’s degree in Systems Analysis and Development, Software Engineering, or related fields; Intermediate knowledge of PHP; Intermediate knowledge of SQL / Databases; Intermediate knowledge of Git and GitHub; Knowledge of JavaScript and NodeJS; Familiarity with HTML and Web Services; Organized profile with strong adherence to technical standards; Strong communication skills and ability to work in teams. **Preferred (Nice-to-Have) Qualifications:** Experience with AI-integrated IDEs; Experience with REST API integrations; Experience with production systems; Participation in code reviews.