Desenvolvedor(a) Back-End Kotlin - Especialista

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Desenvolvedor(a) Back-End Kotlin - Especialista in Brazil.

This is an exciting opportunity for an experienced Back-End Specialist to take a leading role in the design and evolution of highly critical financial systems. In this position, you will work on scalable and resilient solutions focused on card processing and transactional flows, collaborating with multidisciplinary teams in a fast-paced and innovation-driven environment. The role requires strong technical expertise in Kotlin/Java ecosystems, modern cloud-native architectures, and distributed systems. You will influence architectural decisions, champion engineering best practices, and contribute directly to the stability and performance of mission-critical applications. This opportunity is ideal for professionals who thrive in technically challenging environments and enjoy mentoring teams while building robust, secure, and high-performance platforms.

• Lead the end-to-end software development lifecycle, from solution design to deployment in staging and production environments, ensuring secure, scalable, and reliable deliveries.
• Act as a technical reference within the squad, driving engineering excellence and supporting strategic architectural decisions related to financial transaction processing systems.
• Design and implement high-performance microservices and distributed solutions focused on resilience, scalability, and observability.
• Promote advanced development practices such as TDD/BDD, clean code, domain-driven design (DDD), automated testing, and code reviews.
• Support production systems, troubleshooting complex issues and ensuring system availability and operational stability.
• Collaborate closely with cross-functional teams to continuously improve processes, architecture standards, and software quality.

Requirements:

• Strong experience with Kotlin or Java, Spring Boot, and microservices architecture.
• Hands-on experience with automated unit and integration testing practices.
• Solid knowledge of PostgreSQL and NoSQL databases such as MongoDB and Cassandra.
• Experience with messaging and event-driven technologies including Kafka, SQS, and SNS.
• Knowledge of observability standards, monitoring, and distributed tracing practices.
• Experience with AWS cloud environments and Infrastructure as Code concepts.
• Understanding of security protocols and best practices for highly critical transactional systems.
• Familiarity with asynchronous processing, event-driven architecture, and high-volume financial transaction flows.
• Strong communication, leadership, and problem-solving skills, with the ability to influence technical decisions and mentor development teams.
• Experience working within agile environments and continuous improvement cultures.

Benefits:

• Competitive compensation package aligned with senior specialist-level responsibilities.
• Opportunity to work remotely within Brazil.
• Access to innovative and large-scale technology projects in the financial and digital solutions space.
• Collaborative and high-performance work environment with strong technical culture.
• Professional development initiatives, knowledge-sharing programs, and continuous learning opportunities.
• Exposure to modern technologies, cloud-native ecosystems, and mission-critical systems.
• Inclusive and diverse workplace focused on collaboration, ethics, and innovation.