Senior Backend Developer (Kotlin)

Stack

Responsibilities

• ▹Develop, evolve, and maintain backend services using Kotlin, ensuring high performance, scalability, and security for mission-critical core banking systems
• ▹Architect and implement cloud-native solutions on AWS (EKS/Fargate, SQS, DynamoDB), applying the Well-Architected Framework
• ▹Implement messaging and streaming integrations with Kafka and SQS
• ▹Develop and automate unit, integration, and performance tests, building robust CI/CD pipelines
• ▹Build, maintain, and evolve Docker containers with Kubernetes (EKS) orchestration
• ▹Participate in technical discussions, code reviews, and architectural decisions
• ▹Apply security-by-default practices (IAM least privilege, encryption at rest/in transit, secure secrets management)
• ▹Explore and validate the use of AI tools to support development
• ▹Collaborate with multidisciplinary teams (product, QA, SRE, security)

Requirements

• ▹Solid experience in backend development with Kotlin
• ▹Real-world experience in AWS environments, especially EKS/Fargate, SQS, DynamoDB
• ▹Practical knowledge of the AWS Well-Architected Framework
• ▹Messaging & streaming: Kafka and SQS
• ▹Experience with unit, integration, and performance testing
• ▹Containers: Docker and Kubernetes (EKS) orchestration

What we offer

• ▹Default remote work model with freedom and responsibility
• ▹Flexible hours
• ▹Education assistance
• ▹Own career development tool
• ▹Internal guilds and study/interest groups
• ▹Health insurance
• ▹Dental insurance
• ▹24/7 telemedicine
• ▹Free online therapy
• ▹Wellhub
• ▹Extended maternity leave
• ▹Extended paternity leave
• ▹Meal and food vouchers
• ▹Life insurance
• ▹Transportation voucher
• ▹Home office assistance

About the company

Our purpose is to create technologies that challenge the best in the world and change the game for our clients. We value a culture guided by excellence and innovation, with a collaborative environment driven by curiosity.