Sigma Software Group

Senior Java Developer

Sigma Software Group

full-time

Posted on:

Location Type: Remote

Location: Brazil

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Job Level

Senior

Tech Stack

AWSAzureCloudDistributed SystemsDockerGrafanaGraphQLHibernateJavaKafkaMicroservicesNoSQLPrometheusSpringSpring BootSpringBootSQL

About the role

  • Design, develop, and implement large-scale distributed systems capable of handling substantial data volumes with scalability, low latency, and fault tolerance
  • Architect and implement APIs and event-driven solutions to meet system requirements and enhance functionality
  • Diagnose and resolve complex production issues across services and technology stack, delivering both code and data fixes
  • Create and execute comprehensive unit, API, regression, and performance tests to ensure system reliability and efficiency
  • Collaborate closely with cross-functional teams to address and resolve production incidents promptly, ensuring minimal downtime

Requirements

  • 7+ years of experience in software development
  • Proficiency in Java with expertise in frameworks such as Spring Boot WebFlux and Hibernate (AuroraDB)
  • Hands-on experience with GraphQL
  • Familiarity with AWS and EKS
  • Strong knowledge of CI/CD pipelines and related tools
  • Experience designing, building, and deploying scalable, highly available systems
  • Knowledge of event-driven architectures and at least one event streaming solution (e.g., Kafka, SNS)
  • Proficiency in SQL and NoSQL databases
  • Familiarity with cloud platforms such as AWS, Azure, or Google Cloud
  • Strong analytical and problem-solving skills
  • Excellent communication skills, with English proficiency at C1 level or higher.
  • Experience with microservices architecture
  • Experience with containerization tools such as Docker
  • Familiarity with monitoring tools like Prometheus and Grafana
  • Prior work in e-commerce or marketplace platforms
Benefits
  • Flexible work arrangements
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
JavaSpring BootWebFluxHibernateGraphQLAWSEKSCI/CDSQLNoSQL
Soft Skills
analytical skillsproblem-solving skillscommunication skills