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Pessoa Desenvolvedora Backend Sênior Kotlin/Java | Yellow

C6 Bank 💼 Full-time🗓 2026-07-13 → 2026-07-31

Core

Building and evolving a digital financial product for children and adolescents to teach money management and autonomy, ensuring scale, performance, and security.

Role type

Senior Backend Engineer (Kotlin/Java)

Builds

A digital account for kids and teens focused on financial education and guided autonomy.

Domain

Fintech / EdTech

Deliverable

production ML models | product features

Required skills

Kotlin, Java, Spring Boot, Microservices, Unit and Integration Testing, PostgreSQL, MongoDB, Cassandra, Kafka, SQS, SNS, Observability, AWS, Security Protocols, Infrastructure as Code, Transactional Flows, Event-Driven Architecture

Preferred skills

Agile methodologies, Continuous Improvement

Technologies

Kafka, SQS, SNS, AWS, PostgreSQL, MongoDB, Cassandra

Responsibilities

Lead full product deployment across Homologation, Production, and Deploy environments; Master product architecture and technical design decisions; Ensure development quality through robust coding practices, code reviews, and high test coverage.

Seniority

Senior, hands-on IC

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