Job Summary: The Mid-Level Full-Stack Developer will be responsible for developing and maintaining applications, collaborating within cross-functional teams to build scalable, secure, and high-quality solutions. Key Highlights: 1. Develop and maintain front-end and back-end applications 2. Collaborate with cross-functional teams (product, UX, DevOps, and QA) 3. Participate in software architecture decisions and standard definition The Mid-Level Full-Stack Developer will focus on application development and maintenance. This professional collaborates with cross-functional teams to deliver scalable, secure, and high-quality solutions, actively contributing to technical decision-making, continuous code improvement, and delivery of business-value-adding features. **Responsibilities and Duties** * Develop and maintain **front-end and back-end applications**, ensuring quality, performance, and scalability. * Develop **APIs and system integrations**. * Collaborate with cross-functional teams (product, UX, DevOps, and QA). * Participate in **code reviews**, adhere to development best practices, and continuously improve code quality. * Support analysis of technical and functional requirements for solutions. * Contribute to application architecture evolution and system modernization. * Ensure security, stability, and maintainability of developed solutions. * Implement robust, secure, and scalable APIs. * Build modern, responsive, and high-performance user interfaces. * Participate in software architecture decisions and standard definition. * Write clean, testable, and well-documented code. **Requirements and Qualifications** * Experience as a **Full-Stack Developer**. * Solid knowledge of **JavaScript/TypeScript, HTML, and CSS**. * Experience with **front-end frameworks** (React). * Experience with **back-end technologies** (Node.js). * Knowledge of **REST APIs** and system integration. * Hands-on experience with **relational databases**. * Familiarity with **Git** and version control workflows. * Desired: knowledge of **cloud platforms (AWS)** and DevOps practices (Azure DevOps). * Strong communication skills, collaborative mindset, and value-driven delivery focus. * Use of AI as an accelerator in development. * Microservices architecture. * Kubernetes and container orchestration. Advantages: * Integration with AI platforms (OpenAI, AWS Bedrock, etc.). * CI/CD (GitHub Actions, GitLab CI, Jenkins). * Web application security principles. * Knowledge of GoLang **Additional Information** * Breakfast with bread and fruits * Hybrid work model * Salary advance * Health insurance * Dental insurance * Life insurance * Childcare allowance * Meal voucher * Food allowance * Profit-sharing program (PLR) * Transportation voucher * Payroll-deductible loan * Partnerships with English schools, universities, pet care assistance, and other benefits At **Claranet**, innovation is in our DNA. We are a multinational company operating in 11 countries, with over 4,000 specialists and more than 10,000 clients worldwide. Focusing on **Cloud**, **Cybersecurity**, **Data & AI**, **Modern Workplace**, and **Application Modernization**, we support enterprises throughout their digital transformation journey with cutting-edge technology, high performance, and 24x7 security. In Brazil, we are expanding and seeking talents eager to grow with us. If you enjoy challenges, continuous learning, and want to shape the future of technology, this is your place. **Explore our open positions and evolve with Claranet.**