Toptal: Backend Java Developer

This role requires a seasoned backend Java developer with strong expertise in Java and object-oriented programming principles. The candidate should have extensive experience developing and maintaining Java-based applications, particularly on cloud platforms such as AWS or Google Cloud Platform (GCP). Key responsibilities include migrating core mail services and applications to the cloud, optimizing and modernizing existing platforms, and re-architecting infrastructure to support scalability, security, and reliability. Proficiency in designing and implementing RESTful APIs and microservices architecture is essential, along with a solid understanding of data structures, algorithms, and computer science fundamentals including design patterns. Experience working with distributed, large-scale systems and relational databases, specifically SQL and RDS, is required. The role also involves integrating with DevOps and CI/CD pipelines, improving platform maintainability, and collaborating with cross-functional teams. Leadership capabilities are important, as the position includes mentoring and guiding other engineers during design and development phases. Familiarity with DevOps tools and practices is a plus. The position is full-time preferred, with some flexibility, and requires significant overlap with Pacific Standard Time. Overall, this role suits a backend developer with strong cloud migration experience, deep Java knowledge, and the ability to lead technical initiatives in a high-scale, global environment.