Senior Backend Kotlin Developer (Fully Remote)

Brazil Security & IT; United States; Remote; USD 130,000 - 170,000; Full time

Job summary

Brazil Security & IT is seeking a Senior backend Kotlin developer to own the full lifecycle of backend services in a digital banking context. You will work in a fully remote setup with agile, multidisciplinary teams and a modern tech stack including Spring, AWS, and data stores such as MongoDB and PostgreSQL.

The role emphasizes TDD, Clean Code, and scalable architectures, collaborating with product and engineering to deliver reliable backend services for customers worldwide.

Qualifications

• Strong Kotlin, Spring, TDD, and Clean Code experience.
• Experience with AWS, MongoDB, PostgreSQL, Redis, and event-driven architecture.
• Fully remote work and agile, multidisciplinary teams.

Responsibilities

• Own the full lifecycle of backend services from conception to production support.
• Collaborate with cross-functional teams to deliver scalable backend solutions.

Skills

Kotlin

Spring

TDD

Clean Code

Tools

AWS

MongoDB

PostgreSQL

Redis

Event-driven architecture

Job description

• Senior backend Kotlin developer in a digital banking environment.
• Own the full lifecycle of backend services from conception to production support.

Requirements

• Strong Kotlin, Spring, TDD, and Clean Code experience.
• Experience with AWS, MongoDB, PostgreSQL, Redis, and event-driven architecture.
• Fully remote work and professional development.
• Modern tech stack and agile, multidisciplinary teams.

Brazil Security & IT

The company operates in the digital banking and financial technology ecosystem, building reliable backend services for customers. It fosters an inclusive, collaborative culture focused on knowledge sharing, learning, and modern engineering practices.