**Company Description** Serasa Experian is Brazil's first and largest Datatech company. A leader in intelligence solutions for risk and opportunity analysis, focused on credit, authentication, and fraud prevention journeys. With cutting-edge technology, innovation, and top talent, it transforms risk uncertainty into the best decision—helping individuals achieve their dreams and businesses of all sizes and sectors thrive. We have 22,000 people operating across 32 countries, and every day we invest in new technologies, talented professionals, and innovation to help all our customers maximize every opportunity. With its corporate headquarters in Dublin, Ireland, Experian is listed on the London Stock Exchange (EXPN) and is a constituent of the FTSE 100. **Job Description** We are seeking a Senior Python Software Engineer to work within agile squads, focusing on the development and maintenance of scalable microservices in a cloud environment (AWS). The ideal candidate is passionate about technology, possesses strong communication and collaboration skills, and takes technical ownership—from story refinement through to the design and delivery of robust solutions. **Responsibilities** * Actively participate in the technical refinement of user stories alongside the product and engineering teams. * Design scalable and secure technical solutions aligned with architectural best practices. * Develop RESTful APIs using FastAPI, with emphasis on performance and maintainability. * Ensure code quality through automated testing and version control best practices. * Operate under the **build-run** model, also assuming responsibility for maintaining services in production. * Collaborate with other engineers and team leads to continuously evolve the microservices architecture. * Participate in agile ceremonies (Scrum or Kanban), contributing technical insights and product vision. **Qualifications** * Solid experience with Python and FastAPI. * Experience with microservices architecture and system integration. * Proficiency with AWS services (EC2, Lambda, S3, RDS, CloudWatch, etc.). * Experience with agile methodologies (Scrum, Kanban). * 5 years of software development experience. **Additional Information** Serasa Experian is much more than you imagine. With the purpose of creating a better future—expanding opportunities for individuals and businesses—in Brazil we are over 4,000 people working across 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 places to work, enabling extraordinary experiences and careers for our people. Our strong “people-first” approach is externally recognized through numerous industry certifications: we’ve been awarded by Great Place To Work™ in 24 countries and received the international Top Employers certification, besides being recognized as one of the best companies for young professionals and earning a 4.6 rating on Glassdoor. Each recognition confirms we’re on the right path—providing an ever-better workplace for our talent. Experian Careers \- Creating a better tomorrow together Find out what it’s like to work for Experian by clicking here