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Pessoa Desenvolvedora Especialista Back-end Java e Kotlin | Onboarding

C6 Bank 💼 Full-time🗓 2026-09-25 → 2026-09-26

Core

Lead the full software development lifecycle for new initiatives and products within the bank's technology ecosystem, focusing on card processing and financial transaction systems.

Role type

Senior IC backend engineer (Java/Kotlin)

Builds

Robust, secure, and scalable card processing and financial transaction services

Domain

Fintech / Payments / Banking

Deliverable

production ML models | product features

Required skills

Kotlin, Java, Spring Boot, microservices architecture, automated testing (unit, integration, contract), relational and NoSQL databases (PostgreSQL, MongoDB), message brokers (Kafka, SQS, SNS), observability (metrics, logs, tracing), cloud infrastructure (AWS), IaC (Terraform, CloudFormation), CI/CD pipelines, security protocols (JWT, OAuth2), agile methodologies

Preferred skills

experience in payment systems, acquisition, cards, or high-volume financial transaction solutions

Technologies

Kotlin, Java, Spring Boot, Kafka, PostgreSQL, MongoDB, AWS, Terraform

Responsibilities

Lead the full software development lifecycle from conception to deployment; Act as a technical reference for service quality and resilience; Drive architecture and engineering decisions; Promote development excellence with advanced practices; Participate in production system sustainment and incident response; Collaborate with business and product areas for strategic technical vision

Seniority

Senior, hands-on IC

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