Build Tenancy Microservices with FastAPI, PostgreSQL and Redis
Group: Business Requirement
Product Category: Software Engineering
Sub Category: Backend Engineering
No Solution Available
You will have to implement it on your own.
Prerequisites
About this Product
A residential property manager needs its tenancy, rent and renewal processes to stay correct when
services fail, events arrive twice and requests spike. Overlapping leases, duplicated payments and
repeated late fees each cost money and trust, so the backend must enforce the business rules even
under failure.
In this lab you build that backend as three FastAPI microservices. The Tenancy service handles
applications, tenants and leases, the Billing service handles rent schedules, payments and late fees,
and the Renewals service handles renewal offers and service requests. Each service owns its own
PostgreSQL schema, and the services collaborate through Redis Streams events published from a
transactional outbox.
You practise REST APIs with JWT authentication and role checks, SQL migrations and constraints,
consumer groups with retries, dead letter handling and replay, idempotent consumers, Redis caching
and per-client rate limiting, circuit breakers, and observability through correlation IDs, JSON logs,
Prometheus metrics and health checks. Synthetic seed data and a load and fault script let you
simulate billing outages and recover from them.
By the end you have a production style service layer that you can run, break and diagnose on a
laptop, with pytest unit and integration tests and a runbook ready to show in your portfolio for a
backend engineering role.
Interview Q&A Included
1 practice set bundled with this lab
-
Tenancy Microservices – Interview Q&A Assessment
Category: Artificial Intelligence Subcategory: Large Language Models (LLMs) & Natural Language Processing (NLP) 75 questionsThis interview assessment focuses on microservice architecture, event-driven communication, database transactions, idempotency, fault handling, and observability using real-world tenancy management scenarios.
Resources
Topics
Skills
Languages
English
Level
Advance
Business Domain
Real Estate and Tenant Management
Project Mentors
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