Front-End Technologies: HTML5, CSS3, JavaScript, React, Angular, Vue.js, Bootstrap
Back-End Technologies: Node.js, Express.js, Ruby on Rails, Django, Java, .NET
Databases: SQL (MySQL, PostgreSQL), NoSQL (MongoDB, Firebase)
Version Control: Git, GitHub, Bitbucket
Deployment & DevOps: Docker, Kubernetes, CI/CD pipelines, AWS, Heroku
Other: RESTful APIs, GraphQL, Agile/Scrum methodologies