Backend Developer (Java, Mobile applications) - WFH
IO TECH SOLUTIONS LIMITEDHong Kong Island, Hong Kong
Posted December 11, 2025
Full Time
About the Company
IO Tech Solutions Limited is a leading IT talent and services provider with 25 years of industry experience. The firm specializes in IT staffing, consulting, contracting, payroll, and comprehensive talent solutions across Hong Kong, Singapore, UAE, UK, and Australia. By leveraging deep talent networks and market intelligence, IO Tech delivers strategic partnerships that connect clients to high‑potential opportunities and skilled professionals. Its distinctive advantage lies in a client‑centric approach that blends technology expertise with a global reach, enabling rapid, customized solutions for evolving IT demands.
Job Description
Collaborate with mobile app development teams, implement authentication and security protocols, optimize backend systems, and design databases for seamless API integration and data flow.
Requirements
- Bachelors degree in Computer Science, Software Engineering, or related field.
- 5+ years of backend development experience, with proven expertise in Java, Spring Boot, and Microservices architecture.
- Strong track record in building RESTful APIs consumed by mobile applications.
- Proficiency in relational databases (MySQL, PostgreSQL) and familiarity with NoSQL solutions (MongoDB, Redis).
- Solid understanding of CI/CD pipelines, containerization (Docker, Kubernetes), and cloud platforms (AWS, GCP, Azure).
- Excellent analytical, problem-solving, and communication skills.
- Ability to mentor junior developers and contribute to technical decision-making.