Senior Java Developer at Sigma Software — Brazil

About The Role

Design, develop, and implement large-scale distributed systems capable of handling substantial data volumes
Build scalable, fault-tolerant, and low-latency backend services
Architect and implement APIs and event-driven solutions
Diagnose and resolve complex production issues across services and infrastructure layers
Develop and execute unit, API, regression, and performance tests
Collaborate with cross-functional teams to ensure rapid incident resolution and system reliability
Participate in architecture discussions and contribute to engineering best practices
Optimize system scalability, availability, and operational performance
Support continuous improvement of CI/CD and deployment processes
7+ years of software development experience
Strong proficiency in Java and Spring Boot
Experience with Kafka or other event streaming solutions
Familiarity with AWS and EKS
Strong knowledge of CI/CD pipelines and related tools
Hands-on experience designing and deploying scalable, highly available distributed systems
Strong understanding of event-driven architectures
Experience working with SQL and NoSQL databases
Familiarity with cloud platforms such as AWS, Azure, or Google Cloud
Strong analytical and problem-solving skills
Excellent communication and collaboration skills
English level: Advanced (C1) or higher