Build Royalty Microservices with FastAPI, PostgreSQL and Redis
Group: Capstone Project
Product Category: Software Engineering
Sub Category: backend engineering
Solution Available
Source code, datasets, and other related files for the solution will be provided.
Prerequisites
About this Product
Quarterly royalty statements are only trustworthy when every usage event is checked against its licence, because one wrong split underpays a rights holder.
What you build
- Four FastAPI services: Gateway, Catalog, Usage and Royalty, each with its own schema and a clear service boundary.
- Rights checks: every usage event is tested against licensed territory, validity window and contract before any royalty is created.
- Royalty ledger: splits, advance recoupment and exact rounding produce line items that link back to their usage event and contract.
- Event pipeline: Redis Streams with consumer groups, a transactional outbox, idempotent consumers and dead letter replay.
Skills you practise
- Microservice design: service boundaries, API plus stream communication and failure isolation.
- Reliable messaging: at least once delivery, retries and duplicate safe processing.
- Security and operations: JWT roles, rate limiting, Prometheus metrics, structured logs and correlation IDs.
Outcome
Production evidence: a tested system with load targets, failure drills and a runbook you can walk an interviewer through.
Interview Q&A Included
1 practice set bundled with this lab
-
Royalty Microservices Engine Assessment
Category: Software Engineering Subcategory: backend engineering 70 questionsThis assessment checks what you learned while building a royalty processing platform made of a Gateway, Catalog, Usage and Royalty services. It is split into five groups: licensing and contract …
Resources
The complete brief for the royalty engine: the licensing problem, the rules and how success is measured.
- Business scenario of a music and video distributor paying quarterly royalties
- Functional requirements and numbered business rules for rights, splits and advances
- Non functional targets for speed, reliability and security
- Users and their goals: partners, rights managers, finance and rights holders
- 28 acceptance criteria that define when the lab is complete Technology stack, data volumes and the failure drills to survive
Topics
Skills
Languages
English
Level
Advanced
Business Domain
Media and Entertainment Rights and Royalties
Project Mentors
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