Senior Java Developer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Java Developer based in Brazil.

This is a senior engineering opportunity focused on building scalable, reliable, and high-performance backend systems for a large-scale digital commerce platform.
You will contribute to distributed systems that support millions of customers and substantial traffic volumes.
The role combines hands-on Java development with system architecture, cloud-native technologies, and event-driven design.
You will help shape technical solutions while contributing to availability, performance, resilience, and operational excellence.
Working closely with cross-functional engineering teams, you will help solve complex production challenges and continuously improve the platform.
The environment encourages technical ownership, collaboration, modern engineering practices, and ongoing professional growth.
This is a full-time remote opportunity for candidates based in Brazil.

Accountabilities:
As a Senior Java Developer, you will design and develop robust backend solutions while contributing to the scalability, reliability, and performance of a customer-facing digital platform. You will collaborate across engineering and technical teams to deliver high-quality systems and continuously improve development and operational practices.

• Design, develop, and implement large-scale distributed systems capable of handling substantial data volumes and traffic.
• Build scalable, fault-tolerant, and low-latency backend services using Java and Spring Boot.
• Design and implement APIs and event-driven solutions supporting reliable system communication.
• Develop and maintain cloud-native backend services with a focus on scalability, availability, and performance.
• Diagnose and resolve complex production issues across application, service, infrastructure, and integration layers.
• Develop and execute unit, API, regression, and performance tests to ensure system quality and reliability.
• Collaborate with cross-functional engineering teams to investigate incidents and deliver rapid, effective resolutions.
• Participate in architecture discussions and contribute to engineering standards, best practices, and technical decisions.
• Optimize system performance, scalability, availability, and operational efficiency.
• Contribute to continuous improvements across CI/CD pipelines, deployment processes, and engineering workflows.
• Work with event streaming technologies and distributed data processing patterns.
• Help identify opportunities to improve system resilience, maintainability, and overall customer experience.
• Requirements:
• The ideal candidate is an experienced backend engineer with a strong foundation in Java and distributed systems. You should be comfortable working on high-scale platforms, solving complex technical problems, contributing to architecture decisions, and collaborating effectively within international engineering teams.
  • 7+ years of professional software development experience.
  • Strong proficiency in Java and Spring Boot.
  • Hands-on experience designing and deploying scalable, highly available distributed systems.
  • Strong understanding of event-driven architectures and experience with Kafka or other event streaming technologies.
  • Experience working with AWS and EKS or comparable cloud and container orchestration environments.
  • Strong knowledge of CI/CD pipelines and related development and deployment tools.
  • Experience working with both SQL and NoSQL databases.
  • Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.
  • Strong understanding of scalability, fault tolerance, availability, performance, and reliability principles.
  • Strong analytical and problem-solving skills, with the ability to troubleshoot complex production issues.
  • Experience designing and implementing APIs and backend services.
  • Excellent communication and collaboration skills.
  • Ability to work effectively in a remote and international team environment.
  • Advanced English proficiency at C1 level or higher.
  • Benefits:
    • Full-time remote position based in Brazil.
    • Opportunity to work on a large-scale international e-commerce platform.
    • Exposure to modern cloud-native technologies and distributed systems.
    • Opportunity to influence architectural decisions and engineering best practices.
    • Work with challenging, high-traffic systems focused on scalability, reliability, and performance.
    • Collaborative international environment with experienced technical teams.
    • Opportunities for professional development and continuous learning.
    • Flexible remote-first working environment.
    • Exposure to event-driven architectures, cloud technologies, CI/CD, and modern backend engineering practices.