Senior Backend Developer

Description

Job Summary: We are seeking a backend developer to build high-impact payment solutions, working across the full development lifecycle, architecture design, and ensuring scalable and secure systems. Key Highlights: 1. Work across the entire software development lifecycle 2. Focus on integrations with payment partners and gateways 3. Actively participate in the architecture of new systems and improvements We are looking for a backend developer who enjoys challenges and wants to create high-impact solutions in the payments domain. You will work across the entire development lifecycle—helping build integrations, define architectures, and ensure scalable and secure cloud-based systems. If you are proficient in Java/Kotlin, APIs, engineering best practices, and want to work with modern technologies such as PIX, messaging systems, and CI/CD, this role is for you! **Responsibilities and Duties** * Participate in all phases of the software development lifecycle (conception, design, implementation, automated testing, documentation, and maintenance). * Primary focus will be developing software for integration environments with payment partners, gateways, and various engines. * Actively participate in the architecture of new systems and propose improvements to legacy system architectures. * Contribute to the creation of technical documentation and reports on project outcomes, aiming to improve development quality and processes. * Collaborate closely throughout the project lifecycle—from requirements analysis through execution to final delivery. **Requirements and Qualifications** **What we expect from you:** * Experience in backend software development and architecture for cloud-based services. * Experience with technologies: Java, Kotlin, Spring and Spring Boot, SQL/noSQL, asynchronous messaging services. * Experience with a cloud service platform (AWS, Google Cloud, Azure). * Solid understanding of software engineering fundamentals, data structures, and algorithms. * Knowledge of resilience patterns and API design patterns. * Solid knowledge of information security. * Prior experience in developing highly scalable/available software. * Excellent communication and problem-solving skills. **Academic Background:** * Bachelor's degree in Computer Engineering, Computer Science, Information Systems, or related fields. **Languages:** * Advanced English proficiency for writing, reading, and speaking. **Preferred Qualifications:** * Experience with S3, APM, Kibana, GitHub Actions, APM. * In-depth knowledge of PIX technologies and concepts. * Experience integrating with payment gateways and banking systems. * Coding standards, code reviews, CI/CD, testing, and deployment practices. * Experience communicating with end users, other technical teams, and senior managers to gather requirements and describe product and technical project features. **Additional Information** Hybrid work opportunity in Manaus\-AM. **What we expect from all \#SiDiers:** Embrace new ideas Maintain open and direct communication Continuously develop yourself Always strive for excellence Build partnerships Think big, act fast **What we offer?** * **Work-Life Balance:** 40-hour weekly schedule under CLT employment, flexible hours with hybrid work (4 days in the office, 1 day remote); * **Wellness:** Gympass (WellHub), workplace fitness classes, quick massage, and psychological support; * **Healthcare:** Medical and dental insurance for you and your family; * **Children:** Daycare allowance for our miniSiDiers, 120-day maternity leave, extended paternity leave; * **Future:** SiDi co-invests with you in private pension plans; * **Education:** Programs supporting continued learning and specialization, language fluency incentives, and weekly talks on global *trend topics*; * **Meals:** Flexible meal and food allowances; * **Transportation:** Transportation subsidy/cost assistance for commuting to SiDi offices, and parking for those working onsite; * **Recognition:** Annual performance bonus and awards for outstanding contributions; * **Diversity:** Committees focused on Well-being, Diversity, Mental Health, Social Impact, Sustainability, and Women in Tech; * **Modern Offices:** Relaxed, collaborative environments with social spaces, relaxation rooms, pantries, and coffee machines; * **Want more?** Dozens of partnership benefits and discounts! For us, inclusion is not just about adding one more person to our team—it’s about embracing differences and unique perspectives. It is precisely this blend of techniques, skills, and stories that inspires us to align diverse viewpoints toward a shared horizon—always moving forward. We foster an environment of equal opportunity, regardless of gender, sexual orientation, religion, or disability. **All our positions are open to people with disabilities (PCDs).** JOB CODE: 5595 \- N3 **We are one of Brazil's largest science and technology institutes, with over 800 growing SiDiers across Campinas, Manaus, and Recife—the country's largest technology and innovation parks.** Because those who aspire to build projects that transform the world cannot stop transforming themselves. Over our **20-year history**, we have specialized in solving complex problems and delivered **over 1,100 projects**, impacting millions of lives—bringing innovation to life and making the future happen now.