I have extensive experience with relational databases such as MySQL and PostgreSQL, as well as NoSQL databases like MongoDB. I've designed and optimized schemas, implemented indexing strategies, and managed data migrations. My experience includes working with ORMs like Hibernate and Sequelize, which have helped me streamline database interactions and ensure data integrity.

I prioritize API security by implementing best practices such as input validation, using HTTPS, and employing OAuth2 for authentication. I also ensure that sensitive data is encrypted both in transit and at rest. Rate limiting and monitoring API usage are additional measures I take to prevent abuse and identify potential security threats.

I focus on optimizing backend performance by profiling and analyzing code to identify bottlenecks. I use caching mechanisms like Redis and Memcached to reduce database load. Additionally, I implement asynchronous processing and parallelization where applicable. Load balancing and horizontal scaling are also part of my strategy to handle increased traffic efficiently.

I have extensive experience with Git, including branching strategies like Git Flow and feature branching. I regularly use GitHub and GitLab for collaborative development, managing pull requests, and code reviews. My experience also includes setting up CI/CD pipelines to automate testing and deployment processes, ensuring code quality and consistency across environments.

I use a combination of logging, monitoring tools like Prometheus and Grafana, and distributed tracing systems like Jaeger to identify and resolve issues in production. I also follow a systematic approach, starting with isolating the problem, reproducing it in a controlled environment, and then applying fixes. Regularly reviewing logs and metrics helps me proactively address potential issues before they impact users.