Backend Developer

Description

Job Summary: We are seeking a Senior Backend Developer to work on the development and maintenance of services and APIs, building scalable, high-performance, and secure solutions within a collaborative environment. Key Highlights: 1. Transform the English language learning experience in Brazil 2. A relaxed, agile, and dynamic environment that encourages creativity 3. Focus on clear goals and excellence in everything we do #### **About the Backend Developer Role** **Join a living ecosystem where the future of business is created and experienced every day. Be part of this transformation!** At LUZA Group, passion, perseverance, and the drive to overcome limits define our path to success. Founded in 2006, we are a Portuguese multinational with over 1,200 talented professionals and a substantial business volume. With presence in strategic markets such as Portugal, Spain, Morocco, Brazil, Mexico, the United States, and China, we deliver innovative solutions in engineering, IT, design, consulting, Industry 4.0, training, and recruitment. Everything we do is powered by the talent of our people. **This is a moment of growth and opportunity. The future belongs to visionary minds. Join us!** **ABOUT FLUENCYPASS** *Our mission is to transform the English language learning experience in Brazil, making it accessible to everyone. We are pioneers in offering the complete fluency journey: starting with high-quality English courses and culminating in a transformative study-abroad experience.* *Here, you will find a relaxed, agile, and dynamic environment where creativity and collaboration are encouraged. Our focus on clear goals drives continuous growth, while attention to detail ensures excellence in everything we do.* *We love what we do and are fully committed to the success of every student. If you are passionate about education and wish to contribute to building a high-performing team, join us on this transformative journey!* **SENIOR BACKEND DEVELOPER** **Job Description** We are looking for a Senior Backend Developer to work onsite on the development and maintenance of services and APIs supporting our platform. You will be responsible for creating scalable, high-performance, and secure solutions, collaborating closely with frontend, product, and QA teams. The ideal candidate is passionate about technology, possesses solid object-oriented development expertise, and has experience in high-availability environments. **Requirements and Qualifications** * Minimum of 7 years of proven backend development experience, preferably with the .NET platform (C# language). * Experience with ABP Framework or other MVC frameworks. * Solid knowledge of relational databases (PostgreSQL preferred). * Experience with Git for source code versioning. * Practical experience with Docker and containerization concepts. * Knowledge of DevOps and continuous integration/delivery (CI/CD). * Experience with AWS or other cloud providers. * Ability to work with software architecture and apply best design practices. * Basic understanding of information security principles applied to development. * Ability to use AI-powered tools (e.g., GitHub Copilot, Cursor, or similar) to accelerate development. * Strong communication skills and ability to collaborate effectively within multidisciplinary teams. **Technical and Professional Knowledge** * Experience in developing and maintaining RESTful APIs. * Experience with automated testing and agile methodologies (Scrum, Kanban, or similar). * Knowledge of SQL query optimization and data modeling. * Experience with monitoring and observability tools (CloudWatch, Grafana, Kibana, or similar). * Experience with CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, etc.). * Ability to analyze technical requirements and propose scalable, sustainable solutions. **Working Hours** * 176 hours per month **What We Offer** * Wellhub; * OnHappy; * Sesc; * Flexible working hours.