Java, C#, Python, PHP, JavaScript, .NET, Spring, Django, Angular, React.js, Android, iOS, React Native, Flutter, HTML, CSS, TypeScript, Node.js, RESTful APIs, Git, GitHub, Bitbucket, unit testing, TDD, MySQL, PostgreSQL, Oracle, MongoDB, Cassandra, database design, SQL optimization, AWS, Microsoft Azure, Google Cloud, Docker, Kubernetes, CI/CD, Jenkins, Ansible, Terraform, VMware, Hyper-V, Nagios, Prometheus, Grafana, Linux, Unix, Jenkins, penetration testing, vulnerability assessment, GDPR, HIPAA, TensorFlow, PyTorch, Keras, data science, machine learning, NLP, computer vision, problem-solving, communication, leadership, client-facing, adaptability.