Backend Developer (Java, Mobile applications) - WFH
IO Tech Solutions LimitedChina only
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Responsibilities:
Collaborate closely with mobile app development teams (iOS, Android, React Native, etc.) to ensure seamless API integration and optimized data flow.
Implement robust authentication, authorization, and security protocols (OAuth2, JWT, encryption).
Optimize backend systems for performance, scalability, and high availability, tailored for mobile-driven use cases.
Design and manage databases (SQL/NoSQL), ensuring data integrity and efficient queries.
Lead code reviews, debugging, and performance tuning to maintain code quality and reliability.
Support the full software development lifecycle: requirements gathering, system design, development, testing, deployment, and ongoing support.