Faster chat, better deals — Get the App

Java and Kotlin Backend Specialist | Conta Global

Indeed

Company

Job typeFull-time
Workplace typeOnsite
Experience levelMore than 10 years
Education levelBachelor's Degree

Description

### **Our Core Business Products Engineering Team** The Core Business Products Engineering team is responsible for developing and evolving the technology products essential to the business. It builds and maintains critical systems and platforms, ensuring scalability, quality, and strategic alignment. It works closely with Product and Business teams to continuously deliver value and support company growth. ### **Your Responsibilities as a CSixer** * Lead the full software development lifecycle—from conception through deployment to staging and production—with a focus on robust, secure, and continuous delivery. * Serve as the technical reference within your squad, ensuring quality, performance, and resilience of services related to card processing and financial transactions. * Drive architecture and engineering decisions by deeply understanding technical trade-offs and guiding the team toward scalable and secure solutions. * Promote development excellence through advanced practices such as TDD/BDD, code reviews, clean code, DDD, and high coverage of automated tests. * Actively support production systems, focusing on observability, monitoring, and rapid response to mission-critical incidents. * Collaborate with Business, Product, and Technology teams, contributing strategic technical insights to enhance the customer journey at the bank. ### **Requirements and Experience** * Proficiency in Kotlin or Java, with solid experience using frameworks such as Spring Boot. * Expertise in microservices architecture, including communication patterns, resilience, API versioning, and continuous deployment. * In-depth experience with test automation—including unit, integration, and contract testing—to ensure high coverage and confidence in deliveries. * Strong knowledge of relational and non-relational databases—especially PostgreSQL, MongoDB, and Cassandra—with emphasis on performance and consistency. * Hands-on experience with messaging systems such as Kafka, SQS, and SNS, applying large-scale asynchronous communication patterns. * Advanced familiarity with observability patterns—including metrics, structured logging, and distributed tracing. * Practical experience in cloud environments (preferably AWS), using Infrastructure-as-Code (Terraform or CloudFormation) and CI/CD pipelines. * Solid understanding of security protocols, authentication/authorization (JWT, OAuth2\), encryption, and secure development practices. * Experience working in agile environments focused on frequent deliveries, metrics, and DevOps culture. ### **Our Benefits** * Meal Allowance; * Food Allowance; * Health and Dental Insurance; * Daycare Assistance; * Life Insurance; * WellHub \| TotalPass; * Conexa \| Psicologia Viva \- Free online therapy; * Carbon Academy; * C6 Carbon Card; * Carbon Spa \- Beauty salon located in our office; * Carbon Care \- Clinic located in our office; * Quick Massage; * Nursing Room; * Citizen Company \- Extended maternity and paternity leave; * Bicycle Parking; * Changing Rooms; * Corporate Shuttle; * Social Area \- Video games, billiards table, playball, barbecue grill, draft 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 customers of all profiles. We are headquartered in São Paulo/SP and have more than 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 themselves. Watch more details in the video below:

Some content was automatically translated

Posted by

João Silva

Indeed · HR

Location

João Silva

Indeed · HR

Similar jobs

Java and Kotlin Backend Specialist | Conta Global by Indeed in 2026 | ok.com