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Software Development Life Cycle (SDLC)

Information Technology > Software development methodologies

Description

The Software Development Life Cycle (SDLC) is a systematic process used by software engineers to develop, maintain, and replace software systems. It involves several stages including planning, analysis, design, implementation, testing, deployment, and maintenance. Each stage has specific tasks and deliverables that feed into the next phase. SDLC ensures that high-quality software is produced according to specified requirements within budget and timelines. It also helps in managing the complexity of building software and improving productivity and efficiency. Understanding and mastering the SDLC skills can significantly enhance one's ability to deliver successful software projects.

Expected Behaviors

✎
LEVEL 1

Fundamental Awareness

At this level, individuals have a basic understanding of programming concepts and are familiar with at least one programming language. They have a rudimentary knowledge of software development methodologies and version control systems, and understand the importance of testing in the software development process.

🌱
LEVEL 2

Novice

Novices can write simple code in a programming language and apply a specific software development methodology. They use version control systems for individual work and can write and execute basic test cases. They also possess basic debugging skills.

🌍
LEVEL 3

Intermediate

Intermediate individuals can design and implement complex functionality and lead small projects using a specific software development methodology. They use version control systems in a team setting and can write and execute complex test cases. They also have good debugging and problem-solving skills.

⭐
LEVEL 4

Advanced

Advanced individuals can design and implement complex systems and lead large projects using multiple software development methodologies. They are proficient in using advanced features of version control systems and can design and implement a testing strategy for a project. They also have advanced debugging and problem-solving skills.

🏆
LEVEL 5

Expert

Experts can design and implement highly complex systems and manage multiple large projects using various software development methodologies. They have a deep understanding of version control systems and their internals, and can design and implement a comprehensive testing strategy for multiple projects. They also have exceptional debugging and problem-solving skills.

Micro Skills

✎
LEVEL 1

Fundamental Awareness

Familiarity with variables and data types
Understanding of control structures (loops, conditionals)
Awareness of functions and procedures
Basic knowledge of object-oriented programming
Ability to write simple statements in a programming language
Understanding of the syntax of a programming language
Knowledge of basic libraries and frameworks associated with a programming language
Understanding of the Waterfall model
Awareness of Agile methodologies
Familiarity with the concept of iterative development
Understanding of the importance of version control
Familiarity with the concept of commits and branches
Basic knowledge of a version control system like Git
Awareness of the role of testing in software development
Understanding of the difference between unit tests and integration tests
Familiarity with the concept of test-driven development
🌱
LEVEL 2

Novice

Understanding of syntax and semantics
Ability to use basic data structures
Knowledge of control flow constructs
Ability to write simple functions
Knowledge of the principles of the chosen methodology
Ability to apply the steps of the methodology in a project
Understanding of the roles and responsibilities in the methodology
Ability to use tools associated with the methodology
Understanding of the concepts of version control
Ability to commit changes
Ability to update the local copy from the repository
Understanding of the importance of commit messages
Understanding of the purpose of testing
Ability to write test cases that cover the main functionality
Ability to execute test cases and interpret the results
Understanding of the difference between passing and failing tests
Ability to identify errors in code
Understanding of the types of errors
Ability to use a debugger to step through code
Understanding of how to read stack traces
🌍
LEVEL 3

Intermediate

Knowledge of classes and objects
Understanding of abstraction
Understanding of constructors and destructors
Understanding of static and dynamic binding
Understanding of basic data structures
Understanding of basic algorithms
Understanding of threads and processes
Understanding of synchronization primitives
Understanding of deadlock and starvation
Understanding of race conditions
Understanding of creational design patterns
Understanding of structural design patterns
Understanding of behavioral design patterns
Understanding of relational databases
Understanding of SQL
⭐
LEVEL 4

Advanced

Knowledge of different architectural patterns
Experience with system design
Understanding of scalability and performance
Understanding of Agile principles
Understanding of Scrum framework
Understanding of Waterfall model
Understanding of Git branching models
Experience with merge conflicts
Understanding of pull requests
Experience with unit testing
Understanding of integration testing
Experience with system testing
Experience with IDE debuggers
Understanding of logging
Experience with performance profiling
🏆
LEVEL 5

Expert

Knowledge of architectural patterns and styles
Proficiency in designing scalable systems
Understanding of fault-tolerant design
Ability to choose appropriate methodology for a project
Experience in facilitating meetings and ceremonies
Understanding of metrics and reporting
Deep understanding of internals of version control systems
Proficiency in advanced operations
Experience in unit, integration, system, acceptance testing
Proficiency in automated testing tools
Experience with debugger tools
Ability to analyze logs and crash reports

Skill Overview

  • Expert5 years experience
  • Micro-skills78
  • Roles requiring skill7

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