I will build a production ready nextjs saas mvp


About this gig
Turn a defined product idea into a usable, production-ready Next.js SaaS slice.
I build focused web products for founders and lean teams that need more than a template: a clear user flow, dependable application state, API and database integration, and a deployment path your team can continue using.
Your project can include:
- Next.js and React product interfaces
- API and database integration
- Authentication and role-aware workflows
- Internal tools or customer-facing SaaS flows
- Deployment, source code, and technical handoff
GreyX works best when the target workflow and business decision are clear. If the scope is still uncertain, start with my AI Product Audit before committing to implementation.
I can work from an existing codebase or build a focused vertical slice from scratch. Complex payments, real-time collaboration, large migrations, or many integrations require a custom scope.
Message me before ordering with the workflow, current system, constraints, and desired delivery date. I will confirm fit and recommend the smallest useful scope.
Get to know Mike A
AI and FullStack Product Engineer
- FromMexico
- Member sinceJul 2022
- Avg. response time7 hours
Languages
English, Spanish
My Portfolio
FAQ
What kinds of web applications can you build?
I can build SaaS MVPs, internal tools, dashboards, admin panels, business applications, client portals, API-driven products, and other custom full-stack web applications.
Which technologies do you use?
My main stack includes React, Next.js, TypeScript, Python, GO, Django, FastAPI, PostgreSQL, Redis, and REST APIs. I choose the stack based on the project requirements rather than forcing every project into the same setup.
Can you work with an existing codebase?
Yes. I can add features, improve architecture, fix backend or frontend issues, integrate APIs, or continue development on an existing application. Please message me first if the codebase is large or unfamiliar.
Do you include source code?
Yes. Source code is included with every package unless a third-party service or asset has separate licensing restrictions.
Can you deploy the application?
Yes, deployment-ready setup can be included depending on the package. If you need full cloud infrastructure, domain configuration, CI/CD, or a specific hosting provider, please share the requirements before ordering.
What features may require a custom offer?
Complex payment systems, multi-role permissions, real-time collaboration, large data migrations, many external integrations, advanced analytics, highly custom UI/UX, or unusually complex business logic may require a custom scope and price.

