Design a Task Scheduling Service
Last updated: July 24, 2025
Quick Overview
Design a scalable task scheduling system that handles millions of requests. Discuss trade-offs in consistency, availability, and performance.
Goldman Sachs
July 24, 202524
4
3,979 solved
Design a scalable task scheduling system that handles millions of requests. Discuss trade-offs in consistency, availability, and performance.
Software engineering fundamentals questions at Goldman Sachs test your understanding of core CS concepts and their practical application. This Technical Screen question evaluates how you apply engineering principles to build maintainable, scalable software.
What the Interviewer Expects
- Apply engineering principles to a realistic design scenario
- Discuss trade-offs between different approaches with concrete examples
- Demonstrate understanding of testability, maintainability, and extensibility
- Connect theoretical concepts to production engineering practices
- Discuss how the approach scales with team and codebase size
Key Topics to Cover
How to Approach This
- Apply SOLID principles. Single Responsibility makes code testable, Open/Closed makes it extensible.
- Choose data structures based on access patterns, not familiarity.
- Prefer immutable data and message passing over shared mutable state for concurrency.
- Design APIs with RESTful conventions, versioning, meaningful errors, and pagination from day one.
Possible Follow-up Questions
- What are the security implications of this design?
- What testing strategy would you use for this component?
- How would you measure the performance of this component in production?
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Core Design Principles
For designing a task scheduling service at Goldman Sachs, we can apply several core design principles:
- Single Responsibility Principle (SRP): Each component in the system should have one reaso...
Architecture
The architecture for the task scheduling service will follow a microservices approach, which aligns well with Goldman Sachs' scale and complexity:
- API Gateway: A RESTful API gateway will handl...
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