Java Backend Developer - WFH/ Remote-Work (5 Years Exp Needed At least)

What You’ll Own

Backend Engineering

• Design, build, and maintain backend services using Java 20+ and Spring Boot
• Develop clean, secure, versioned REST APIs for web, mobile, admin, partner, and AI systems
• Review and improve Spring Boot application structure, dependency versions, embedded Tomcat configuration, startup behaviour, memory usage, and runtime performance
• Improve service structure, startup behaviour, configuration, and deployment readiness
• Refactor weak or unstable backend areas without breaking existing functionality
• Review and improve backend code quality, error handling, validation, and performance

Platform Stability

• Investigate production issues across services, APIs, databases, queues, and cloud infrastructure
• Investigate Spring/Tomcat-level issues such as slow startup, failed bean initialisation, blocked request threads, timeout misconfiguration, mem...