Front-End Development:

1. Creation of dynamic and responsive user interfaces using frameworks like React.js, Vue.js, or Angular.
2. Implementation of modern UI/UX design principles for an intuitive user experience.
3. Integration of third-party libraries, APIs, and tools to enhance functionality.
4. Cross-browser compatibility and mobile optimization.

Back-End Development:

1. Design and implementation of scalable and secure RESTful APIs.
2. Server-side development using Node.js, Ruby on Rails, or Django to handle complex business logic.
3. Database management (SQL and NoSQL) for efficient data storage and retrieval.
4. Integration of third-party services, cloud platforms, and microservices architectures.

DevOps & Maintenance:

1. Deployment automation and CI/CD setup using Docker, Kubernetes, and AWS or Azure.
2. Ongoing maintenance, monitoring, and performance optimization for smooth operations.
3. Security audits, vulnerability assessments, and application scaling.