Latest ·
Interim CTO vs Part Time CTO: Which One You Need
An interim CTO fills a gap, a part time CTO shares the job and a fractional CTO owns it on a smaller budget. How to pick, and how each one should end.
Insights · Technical articles & case notes
Field notes on AI agents, data and the systems around them
Practical writing from production work: what it takes to run agents, integrate systems with no API, and keep AI on infrastructure you control.
- articles
- 28
- topics
- 5
- services covered
- 10
- case notes from real builds
- 4
Articles
28 insights
Newest first
Django Multi-Tenant SaaS and FastAPI: Two Tenancy Models
Two tenancy models for Python, django-tenants or a tenant column, and the fail-closed filters, Celery handling and tests that make either one safe.
Multi-Tenant SaaS Architecture
Multi-Tenant CMS: Two Websites on One Platform
Two very different websites share one Laravel CMS and one database. What has to be per tenant, the cache and SEO traps, and how each site is provisioned.
Multi-Tenant SaaS Architecture
Multi-Tenant Next.js: Rewrite URLs by Host With Proxy
How a multi-tenant Next.js app maps each host to its site with a Proxy rewrite, and the rules that keep one tenant’s pages off another tenant’s domain.
Multi-Tenant SaaS Architecture
Single Tenant vs Multi Tenancy: What Each Costs to Run
Single tenant isolates by infrastructure and charges for it in every upgrade; multi-tenant shares one release and moves isolation into code. How to choose.
Multi-Tenant SaaS Architecture
Multi-Tenant Access Control: Three Layers That Must Stay Separate
The tenant boundary, the permission and the record scope answer three different questions. Keeping them apart is what stops most permission bugs.
Multi-Tenant SaaS Architecture
SaaS Platform Architecture: The Decisions That Come First
Seven decisions a multi-tenant platform has to make before features, in the order they bind each other, with what each one cost on four platforms I run.
Multi-Tenant SaaS Architecture
Questions and answers
Questions about these articles
More questions? Feel free to reach out.
Explore related services →What kind of articles are published here?
Focused technical explanations grounded in real platform work already documented on this site — covering decisions like no-API integration design, multi-tenant isolation, legacy-data reconciliation, and self-hosted AI operations — rather than generic industry explainers.
How are the technical claims in these articles verified?
Each article is grounded in a specific, named project documented on the Work page, and cites authoritative third-party sources where they support a general technical claim. MQ's own experience is kept clearly distinct from cited third-party documentation.
Who writes these articles?
Muhammad Muzammil Qureshi, Chief Technology Officer and Chief Operating Officer, writing directly from the architecture decisions and constraints of the platforms named in each article.
How often is this section updated?
New articles are added as real project work produces something worth documenting in this depth — there is no fixed publishing schedule.
Let's build what's next
Have a complex system that needs to be built right?
Whether you are starting from an idea, replacing an existing platform, or scaling a system, let's talk.
Better Technology.
Brighter Possibilities.