The actual process of writing and maintaining the source code, including the full lifecycle from the initial concept through to the final product.

Defining a structured solution that meets all of the technical and operational requirements, while optimizing common quality attributes like performance and security.

Improving the structure of existing code without changing its external behavior, aimed at making the code more maintainable and understandable.

Ensuring a product or service meets specified requirements and customer expectations through systematic measurement, comparison, and monitoring processes.

Evaluating business needs and determining solutions to business problems, focusing on understanding and documenting the requirements from a business perspective.

Designing the visual layout and interactive elements of a software's interface to ensure a user-friendly and aesthetically pleasing user experience.

Overseeing the development and lifecycle management of a product, and planning, executing, and closing projects, respectively, ensuring they meet the project objectives and deliverables.

Customer Service (CS) involves handling customer inquiries and issues, while Billing encompasses the processes and systems for invoicing and collecting payments from customers.

Examining, cleaning, transforming, and modeling data to discover useful information, inform conclusions, and support decision-making.