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Backend Developer
OmegaLab
Jan 2025 - Present • 1 yr 10 mos
Develop backend systems, REST APIs and microservices with Laravel and Symfony for fintech and logistics products. Optimize PostgreSQL queries and database structures, including indexing and partitioning for large datasets. Integrate external services such as PayPal and AWS S3, and use Redis for caching and application performance. Implement OAuth2 and JWT authentication for secure access to APIs. Build and maintain CI/CD workflows with GitHub Actions and Docker. Collaborate with frontend developers and cloud engineers to deliver and maintain business applications.