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Somnath Khadanga
Somnath Khadanga

Posted on • Originally published at somanathkhadanga.com

How to Evaluate a SaaS MVP Developer: Architecture, Security and Delivery

Hiring a developer for a SaaS MVP should not be based only on framework knowledge.

Knowing React, Next.js or Node.js does not automatically mean someone can build a reliable SaaS product.

A complete SaaS workflow may involve:

Authentication
Tenant isolation
Role-based authorization
Payments
File storage
Background jobs
Notifications
Integrations
Monitoring
Production deployment

Before hiring someone, founders should evaluate how the developer thinks about the entire product—not only the frontend.

  1. Ask how they would reduce the scope

A strong MVP developer should be able to identify:

Features required for the core user outcome
Features that can be handled manually
Features that belong after validation
Features that add cost without improving the initial product

A developer who agrees with every requested feature may be optimizing for project size instead of product success.

  1. Ask how authorization will work

Authentication answers:

Who is this user?

Authorization answers:

What is this user allowed to access?

This becomes especially important in multi-tenant SaaS applications.

A logged-in user should not be able to access another organization’s invoices, clients, files or projects by changing an ID in the URL.

Ask how the developer will enforce:

Workspace ownership
Organization membership
Role permissions
Server-side access checks
Data filtering at the database level

Frontend conditions are not a security boundary.

  1. Ask what architecture they would choose

The most complicated architecture is not automatically the best architecture.

For an early-stage SaaS product, a structured monolith is often easier to:

Build
Test
Deploy
Monitor
Maintain
Change after user feedback

Microservices may be appropriate later, but they also introduce deployment, networking, observability and data-consistency complexity.

The developer should explain why the architecture matches the current product stage.

  1. Ask how failures will be handled

The happy path is only one part of the application.

Ask what happens when:

A payment webhook arrives twice
An email provider fails
A file upload stops halfway
An AI request times out
A database operation fails
A third-party API reaches its rate limit
A user submits the same form repeatedly

A production-ready MVP should have validation, retries where appropriate, idempotency, useful logging and clear error states.

  1. Ask what you will receive each week

Avoid projects where progress remains invisible for several weeks.

A useful weekly delivery process includes:

A working test environment
A product demonstration
Completed milestones
Current blockers
Important technical decisions
The next development priorities

Frequent demonstrations expose misunderstandings while they are still inexpensive to correct.

  1. Ask who controls the infrastructure

The founder should normally control:

GitHub repository
Hosting account
Domain
Database
Cloud storage
Email provider
Analytics
Payment account
Third-party API accounts

This prevents the product from becoming dependent on a developer’s personal accounts.

  1. Ask how production will be monitored

Launching without monitoring means customers become the error-reporting system.

At minimum, discuss:

Application error tracking
Server logs
Failed background jobs
Payment webhook failures
Email delivery failures
Database backups
Uptime monitoring

An MVP does not need enterprise infrastructure, but it does need enough visibility to diagnose failures.

  1. Ask what is excluded

A development estimate should clearly state whether it includes:

Product scoping
UI design
Responsive development
Admin features
Testing
Deployment
Analytics
Documentation
Bug-fix support
Post-launch maintenance

Two estimates cannot be compared accurately when they include different responsibilities.

Final consideration

The best SaaS MVP developer is not necessarily the person who promises the most features or the shortest timeline.

Look for someone who can:

Reduce unnecessary scope
Explain trade-offs clearly
Protect user data
Build the complete workflow
Prepare the product for production
Communicate progress consistently
Support the initial launch

The quality of early technical decisions can influence the product long after the first version is released.

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