Solo Talk iOS app

• I was responsible for the design, implementation, and maintenance of backend APIs using Java, Laravel, and Python, and promoted the construction of a server-side infrastructure that supports the core functions of internal services.

• I participated in requirements definition and specification development, and implemented architecture and database design considering scalability and maintainability.

• I optimized performance under large-scale data processing and high-load environments (query improvement, index design, cache utilization) to improve response speed and stability.

• I collaborated with frontend engineers to achieve smooth integration between the frontend and backend through the design of REST APIs and the development of data integration specifications.

• I established a safe and stable operating environment by implementing security measures (authentication/authorization design, input value validation) and log monitoring systems.

• I conducted code reviews, contributing to the unification of development standards within the team and improvement of code quality.

• I continuously learned about the latest trends in backend technologies and promoted system improvement proposals and technology adoption.