Senior Java/Kotlin Backend Developer | Investments Engineering

Description

Job Summary: This role supports the implementation and maintenance of investment products, contributing to development, code reviews, and quality assurance in an agile environment. Key Highlights: 1. Support the implementation and maintenance of investment products. 2. Contribute to the development and maintenance of features. 3. Participate in code reviews and work in an agile environment. ### **Our Investments Engineering Team** Responsible for implementing and maintaining C6 Bank’s investment products. This vertical serves as the liaison among various bank departments, driving continuous product evolution and managing key performance indicators to ensure stable operation. ### **Your Responsibilities as a CSixer** * Support product deployment in the Staging and Production environments, collaborating with more experienced developers and the DevOps team; * Contribute to feature development and maintenance, adhering to the team-defined architecture and standards, while striving to understand adopted technical decisions; * Participate in code reviews, applying software development best practices and continuously improving code quality; * Develop and maintain unit and integration tests, guided by the team, to ensure delivery quality and stability; * Assist in bug investigation and resolution, contributing to continuous product improvement; * Collaborate effectively in an agile environment, participating in ceremonies and learning from the team. * Availability to work onsite in São Paulo. ### **Requirements and Experience** * Experience with Kotlin or Java, focused on backend development. * Proficiency with Spring Boot and the broader Spring ecosystem. * Solid understanding of microservices. * Solid experience with PostgreSQL, MongoDB, Redis, or similar databases. * Expertise in messaging systems (Kafka, SQS, SNS). * Knowledge of application security and secure development best practices. * Familiarity with AWS services (S3, RDS, SQS, SNS). * Knowledge of Kubernetes (K8s). * Familiarity with observability tools such as Grafana, AppDynamics, or similar. ### **Our Benefits** * Meal Allowance; * Food Allowance; * Health and Dental Insurance; * Daycare Assistance; * Life Insurance; * WellHub; * Conexa | Psicologia Viva — Free online therapy; * C6 Carbon Card; * Carbon Spa — Beauty salon located in our office; * Nursing Room; * Citizen Company — Extended maternity and paternity leave; * Bicycle Parking; * Changing Room; * Social Area — Video games, billiards table, foosball, barbecue grill, beer tap, snack bar, multiple rest areas, hammocks, basketball hoop, and collaborative organic garden. **C6 BANK** ----------- ### **FOR AN EXTRAORDINARY LIFE** We serve individuals, MEIs (Microentrepreneurs), and SMEs across all Brazilian states. Without physical branches, we offer over 90 financial products and services tailored to all customer profiles. We are headquartered in São Paulo/SP and have over 3,000 CSixers operating at full speed. In just over five years, we have earned numerous awards and recognitions. At C6 Bank, we believe diversity drives innovation and strengthens our workplace. Therefore, we foster an inclusive culture that values equity and ensures opportunities for everyone—regardless of race, color, age, religion, disability, nationality, marital status, sexual orientation, gender identity or expression. Here, everyone is welcome to be their authentic self. Watch more details in the video below: