Job Summary: We are seeking a Back-End Software Engineer to design and architect robust, efficient solutions using microservices, contribute to code quality, and collaborate within an agile culture. Key Highlights: 1. Design and architect robust, efficient back-end solutions 2. Contribute to code quality through reviews and improvements 3. Share knowledge and experience to foster team growth **Here’s what you’ll find at Dotz** Big Dreams People who deliver results We value our people Owner’s mindset We embrace the journey with passion **Responsibilities and Duties** * Design and architect robust, efficient back\-end solutions using microservices, with emphasis on scalability and high performance; * Contribute to code quality through code reviews, proposing standards, suggesting improvements, and writing unit tests; * Immerse yourself in the team’s agile culture, actively participating in all stages of the development process and contributing to successful deliveries; * Share your knowledge and experience with colleagues to support both individual and overall team growth. **Requirements and Qualifications** * Solid software development experience with a focus on back\-end; * Advanced experience in Python; * Experience with relational databases (PostgreSQL); * Knowledge of containers (Docker); * Experience with cloud computing platforms (AWS or GCP); * Familiarity with CI/CD practices (GitHub/GitHub Actions); * Ability to design efficient, user-friendly REST APIs; * **Knowledge of SOLID principles, TDD, Design Patterns, and Clean Code;** * Degree in Computer Science, Information Systems, Engineering, or related fields—or equivalent professional experience. * At least 5 years of software development experience; * Experience with DevOps culture; * Experience with cloud architectures (messaging, asynchronous processing, logging, load balancing, storage, transactions); **Additional Information** * PJ \- Remote work model. **\#JoinDotz!** We are a company founded in 2000 to increase the purchasing power of Brazilians. We achieve this by delivering access to benefits for people across Brazil. Over the past 20 years, more than 50 million people nationwide have experienced the feeling of being able to achieve more. A company with a story to tell. We became known for our work in loyalty programs, connecting consumers to our partners through rewards. We maintain multiple partnerships across diverse sectors: major retail chains, e\-commerce platforms, prominent banks, and the country’s largest mobile telecommunications company. Today, Dotz is much more than that. Through our super app, we provide direct access to benefits for consumers. The Dotz app includes a digital account and other financial services. Users who pay with Dotz receive benefits on every purchase they make. Moreover, they enjoy the freedom to choose the type of benefit they prefer: products, services, discounts, or even cashback into their account. Using Dotz, routine payments become gateways to advantages. The more you use it, the more you earn. Living with Dotz means earning while living. A multi-functional system integrated into a single app, democratizing access to benefits. With Dotz, you can do more. **How cool is that!** We were recently recognized by our customers in major national awards in the loyalty program category: we won 1st place in the Reclame Aqui Award 2020 and were named the “most enchanting company for customers” in the Modern Consumer Survey. **\#JoinDotz** **We’re building a more plural and diverse Dotz for everyone!** We are implementing initiatives to foster an innovative, ethical, inclusive, and safe workplace that **respects individuals and their uniqueness**. Dotz recognizes that diversity is integral to what drives **\#OurPeople**, and therefore, we strive to promote an inclusive culture. We do not discriminate based on race, color, religion, gender identity, sexual orientation, nationality, disability, or age at any stage of the recruitment process—reinforcing our commitment to diversity.