Job Summary: Join us in developing and maintaining cloud-based backend solutions focused on scalability, high availability, and resource optimization—contributing technically and collaborating closely with the team. Key Highlights: 1. Develop and maintain scalable, highly available backend solutions 2. Share knowledge and propose improvements for the team 3. Collaborate in backlog refinement, code reviews, and technical support for colleagues **Company Description** **MORE THAN A PAYMENT TERMINAL, MORE THAN A DIGITAL ACCOUNT:** a comprehensive solution for our customers—a business built by people, for people. We were founded with the purpose of improving lives, sharing dreams and achievements. We do this through innovative solutions that transform, with simplicity and efficiency, the financial management of individuals and businesses. And now, we are part of Serasa Experian: together, we are building a better future for everyone, expanding opportunities here and now. In addition to our customized business solutions, we are also partnering with Serasa on consumer-facing solutions, delivering a series of initiatives that contribute to financial education, financial management, and financial empowerment of the population. Through the Serasa platform, we enable the Serasa Digital Account—a payment account allowing consumers to perform various payments, including debt negotiations via Serasa Limpa Nome—quickly and securely. At PagueVeloz, we want to do things differently—to be disruptive—welcoming and attracting entrepreneurs and demonstrating that the financial market can indeed be: less bureaucratic, less slow, less outdated, and far less complicated. To achieve this, we are building a strong, diverse, and fearless team. Here, diversity is an ally of transformation. Therefore, we actively encourage and safeguard applications from professionals who are: women; Black, Indigenous, Asian, and/or multiracial individuals; members of the LGBTQIANPN+ community; persons with disabilities (PcD); and individuals facing vulnerability. Interested? Then come tell new stories and join the \#TimeVeloz! **Job Description** You will develop and maintain cloud-based backend solutions, focusing on scalability, high availability, and resource optimization. Beyond technical contributions, we expect you to share knowledge, propose improvements, and help elevate team productivity and growth. Collaboration is essential here. **Your day-to-day responsibilities will include:** * Developing new features, enhancements, and bug fixes—always adhering to best practices and quality standards; * Participating in refinement meetings, contributing ideas toward solution design and timeline definition; * Collaborating with the team by reviewing code and providing technical support to colleagues. **Qualifications** * Experience with **.NET Core** and the **C\#** programming language; * Hands-on experience developing **backend** applications; * Knowledge of **REST** and building **APIs**; * Experience with **relational and/or non-relational databases**; * Familiarity with **Git** and source code versioning; * Experience working in teams using **agile methodologies**. **Preferred Qualifications:** * Experience with **microservices architecture**; * Basic knowledge of **DevOps** (pipelines, Kubernetes); * Experience with tools such as **SQL Server, Redis, Splunk, Datadog, Hangfire, RabbitMQ, NHibernate**; * Knowledge of **architectural patterns and design patterns** (SOLID, Clean Code, etc.); * Experience with **observability** (Datadog, Splunk); * Familiarity with **AI-powered development tools**, such as GitHub Copilot, Cursor, Windsurf, CodeWhisperer, and others—will be considered a plus; * Knowledge of **cloud computing** (AWS or Azure). **Additional Information** Serasa Experian is much more than you imagine. With the purpose of creating a better future—expanding opportunities for individuals and businesses—we have over 4,000 people across Brazil, working in diverse teams and specialties. Here, every skill and form of diversity complements one another—and you can work on what you love most. We are committed to building an inclusive culture and an environment where people can balance their careers with personal commitments and interests—valuing well-being. We are deeply dedicated to being one of the country’s best and most innovative employers—providing incredible experiences and career paths for our people. Our strong “people-first” approach is externally recognized through numerous market certifications: we’ve been awarded by Great Place To Work™ in 24 countries and earned the international Top Employers certification, in addition to being named one of the best companies for young professionals—and maintaining a 4.6 rating on Glassdoor. Each recognition confirms we’re on the right path—creating an ever-better workplace for our talent. **Join the \#TimeVeloz!** Let’s grow together! We truly want to contribute to the growth of those around us. Our Purpose? To improve lives, share dreams and achievements.