Senior Java Developer

Sigma Software

2d • Remote

About The Position

Are you ready to take on complex engineering challenges in a high-load, global environment? We are looking for a Senior Java Developer to join our team and work on cutting-edge distributed systems that power premium travel and hospitality experiences for millions of users worldwide. This role offers the opportunity to work remotely from anywhere in Brazil while collaborating with a multicultural team on innovative global projects. We at Sigma Software are passionate about delivering innovative solutions and fostering an engineering culture that values scalability, reliability, and continuous improvement. Why join us? We offer remote flexibility, global collaboration, and the opportunity to contribute to impactful products in a fast-paced and innovative environment. Our client is a global leader in the hospitality and travel industry, operating some of the world’s most innovative cruise brands. The company delivers exceptional vacation experiences to millions of guests worldwide and is recognized for its cutting-edge solutions, award-winning service, and commitment to sustainability. The project involves developing and maintaining large-scale distributed systems for high-load, customer-facing environments. The team works on modern digital platforms, personalized guest experiences, mobile applications, and data-driven solutions.

Requirements

• 7+ years of experience in software development
• Proficiency in Java with expertise in Spring Boot WebFlux and Hibernate (AuroraDB)
• Hands-on experience with GraphQL
• Strong knowledge of CI/CD pipelines and related tools
• Experience designing, building, and deploying scalable, highly available systems
• Expertise in event-driven architectures and at least one event streaming solution (Kafka, SNS)
• Proficient in SQL and NoSQL databases
• Familiarity with AWS, Azure, or Google Cloud
• Upper-Intermediate level of English (spoken and written)

Responsibilities

• Design, develop, and implement large-scale distributed systems capable of handling substantial data volumes
• Architect and implement APIs and event-driven solutions to meet functional and non-functional requirements
• Diagnose and resolve complex production issues across services and technology stacks
• Deliver both code and data fixes to ensure system reliability
• Create and execute comprehensive unit, API, regression, and performance tests
• Collaborate closely with cross-functional teams to address and resolve production incidents promptly
• Ensure minimal downtime and swift recovery in production environments
• Participate in code reviews, knowledge sharing, and continuous improvement initiatives

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed