- Designed and implemented RESTful APIs using Django, FastAPI, and SQLAlchemy. - Implemented Role-Based Access Control framework ensuring granular control over user permissions and system resources. - Created an advanced real-time alert system for notifying users about security events based on configurable alert rules. - Developed subscription billing system with Toss payment gateway integration and recurring payment capabilities. - Improved system observability by implementing Sentry error tracking, Grafana dashboards, and CloudWatch alerts. - Built and maintained AWS infrastructure using Terraform and implemented CI/CD pipelines with GitHub Actions. - 관련기술: Django, FastAPI, SQLAlchemy, Sentry, Grafana, CloudWatch, AWS, Terraform, GitHub Actions

더보기

- Designed and implemented REST APIs using Django and Django Rest Framework. - Developed web crawler processing 20K+ articles daily for text analysis and company valuation models. - Built data pipeline processing and categorizing over 100 million entries for efficient data organization and retrieval. - Led migration from MySQL to Redshift database, optimizing for OLAP operations and achieving 40x faster query performance. - Improved database schema and applied indexing strategies, reducing execution time by 37% across core services. - 관련기술: Django, Django Rest Framework, MySQL, Redshift

더보기

- Learned the basics of Machine Learning with a focus on Semi-supervised Learning. - Explored combination of Latent-feature Discriminative model(M1) and Generative Semi-supervised model(M2) for image classification and generation. - Improved the classification accuracy by replacing the combined model(M1+M2) with the Mislabeled Variational Autoencoder model which accounted for label noise.

더보기