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Design Microservices Architecture for E-Commerce Platform

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Problem

Project Context

Acme Corp, a mid-sized e-commerce company, aims to redesign its existing monolithic application into a microservices architecture to improve scalability and performance. The current system struggles with peak loads during sales events, affecting user experience and sales conversions. The project is time-sensitive, with a goal to launch the new architecture in 12 weeks to align with the upcoming holiday shopping season.

Key Stakeholders

  • CTO: Focused on modernizing the tech stack and ensuring system resilience. Prioritizes long-term scalability.
  • Product Manager: Needs to ensure that essential features are delivered on time without compromising quality.
  • Finance Department: Concerned about keeping the project within a $500K budget, requiring careful resource allocation.

Constraints

  • Budget: $500,000 maximum project budget.
  • Timeline: 12 weeks to complete the architecture and migrate essential services.
  • Team Size: Limited to 8 engineers, including 2 senior architects.
  • Dependencies: Must integrate with existing databases and third-party payment gateways, which may introduce delays.

Deliverables

  1. A complete architecture design document outlining microservices, communication protocols, and data management strategies.
  2. A prototype of the user authentication service migrated to the new architecture.
  3. A risk assessment report identifying potential migration challenges and mitigation strategies.
  4. A detailed project roadmap with timelines and milestones.
  5. A presentation for the executive team summarizing the architecture benefits and resource requirements.

Complications

  1. The lead architect is on leave for 3 weeks during the project timeline, creating potential knowledge gaps.
  2. The finance team raises concerns about additional costs associated with cloud services, impacting the budget allocation for critical services.