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Software Development Life Cycle (SDLC) – Complete Breakdown with Myntra Example

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SDLC

The Software Development Life Cycle (SDLC) is a structured process for designing, developing, and testing high-quality software. Below is a phase-by-phase breakdown, including required documents, responsible roles, and a real-world example using Myntra (an e-commerce fashion website).

1. Planning (Requirement Gathering)

Objective: Define project scope, goals, and feasibility.

Key Documents:

  • Business Requirement Document (BRD)
  • Feasibility Study Report
  • Project Plan

Roles Involved:

Business Analyst (BA) – Gathers requirements.
Product Manager – Defines vision.
Stakeholders (Clients, Marketing, Legal) – Approve requirements.

Example (Myntra):

  • Requirement: “Myntra needs a new feature for virtual try-on for sunglasses.”
  • BRD: Lists business needs, user expectations, and ROI analysis.

2. Analysis (System Design)

Objective: Convert business requirements into technical specifications.

Key Documents:

  • System Requirement Specification (SRS)
  • Use Case Diagrams
  • Data Flow Diagrams (DFD)

Roles Involved:

System Architect – Designs high-level structure.
UX/UI Designer – Creates wireframes.
Database Designer – Plans data storage.

Example (Myntra):

  • SRS: Defines how the virtual try-on feature will work (AI-based face detection).
  • Wireframes: Mockups of the try-on interface.

3. Design (Technical Specifications)

Objective: Create detailed technical blueprints.

Key Documents:

  • High-Level Design (HLD) – Overall system architecture.
  • Low-Level Design (LLD) – Module-wise logic (APIs, DB schema).
  • Prototypes

Roles Involved:

Software Architect – Finalizes HLD.
Developers – Review LLD.
QA Lead – Plans test strategy.

Example (Myntra):

  • HLD: Defines how the virtual try-on integrates with Myntra’s app.
  • LLD: Details API calls for face detection and 3D rendering.

4. Development (Coding)

Objective: Build the software based on design docs.

Key Documents:

  • Source Code
  • Unit Test Cases
  • Version Control Logs (Git)

Roles Involved:

Developers (Frontend/Backend) – Write code.
DevOps Engineer – Manages CI/CD pipelines.

Example (Myntra):

  • Developers code the virtual try-on feature using Python (AI) + ReactJS (UI).
  • Unit tests verify face detection accuracy.

5. Testing (QA & Bug Fixing)

Objective: Ensure the software is defect-free.

Key Documents:

  • Test Plan
  • Test Cases
  • Bug Reports (JIRA/TestRail)

Roles Involved:

QA Engineers – Execute manual/automated tests.
Dev Team – Fixes bugs.

Example (Myntra):

  • Test Case: “Verify sunglasses align correctly on different face shapes.”
  • Bug Report: “Virtual try-on fails for users with spectacles – P1.”

6. Deployment (Release to Production)

Objective: Launch the software for end-users.

Key Documents:

  • Deployment Plan
  • Release Notes
  • Rollback Plan

Roles Involved:

DevOps Engineer – Manages deployment.
Release Manager – Ensures smooth rollout.

Example (Myntra):

  • Feature is rolled out in phases (A/B testing) to 10% of users first.
  • Monitoring: Checks server load & user feedback.

7. Maintenance (Support & Updates)

Objective: Fix issues & improve performance.

Key Documents:

  • User Feedback Reports
  • Patch Release Notes

Roles Involved:

Support Team – Handles user complaints.
Developers – Release patches.

Example (Myntra):

  • Users report lag in virtual try-on → Optimize AI model in next update.

SDLC Summary (With Myntra Example)

PhaseKey DocumentResponsible RoleMyntra Example
PlanningBRD, Feasibility StudyBusiness AnalystVirtual try-on feature proposal
AnalysisSRS, Use Case DiagramsSystem ArchitectAI-based try-on specs
DesignHLD, LLD, PrototypesSoftware ArchitectAPI & DB design for try-on
DevelopmentSource Code, Unit TestsDevelopersPython + ReactJS coding
TestingTest Cases, Bug ReportsQA EngineersTest face detection accuracy
DeploymentRelease Notes, Rollback PlanDevOpsA/B testing rollout
MaintenancePatch UpdatesSupport TeamOptimize performance post-launch

Conclusion

The SDLC ensures structured, high-quality software development, as seen in Myntra’s virtual try-on feature. Each phase has clear documentation, roles, and deliverables, minimizing risks and maximizing efficiency.

Final Thought:
“A well-executed SDLC turns ideas into flawless digital experiences!”

104 Responses

  1. DAldriras

    За ним по три в ряд полетели всадники в туче пыли, запрыгали кончики легких бамбуковых пик, мимо прокуратора понеслись казавшиеся особенно смуглыми под белыми тюрбанами лица с весело оскаленными, сверкающими зубами. самостоятельная раскрутка сайтов Оревуар, Фока! – И, напевая, Амвросий устремлялся к веранде под тентом.

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