I will be your saas developer and full stack web developer


About this gig
Looking for a SaaS developer or full stack web developer to turn your idea into a working product?
I build custom SaaS platforms, MVPs, CRM systems and full stack web applications for startups and businesses.
Whether you're launching a new product or improving an existing application, I can handle frontend, backend, databases, APIs, payments and deployment.
What I can build:
SaaS applications & MVPs
Full stack web applications
CRM & sales platforms
Admin dashboards & business portals
Subscription & membership platforms
Authentication & user accounts
Roles & permission systems
REST API & third-party integrations
Stripe, PayPal & Paystack payments
Database-driven applications
Existing SaaS features & improvements
Responsive frontend & backend development
Cloud deployment
Tech Stack:
PHP, Laravel, JavaScript, React, Vue.js, Node.js, NestJS, Python, MySQL, PostgreSQL, Tailwind CSS and Bootstrap.
I have experience building products like OutRuno, a SaaS lead generation, CRM and sales platform for prospect discovery, qualification and sales management.
Have a SaaS idea or web app? Send me your requirements and let's discuss how to build it.
Respect third-party rights
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Get to know Collins G
Full Stack Web Developer and SaaS Product Builder
- FromItaly
- Member sinceSep 2026
- Avg. response time1 hour
Languages
English
My Portfolio
FAQ
Can you build my SaaS product from scratch?
Yes. I can develop a SaaS application from an idea, specification or existing design, including frontend, backend, database, APIs and deployment depending on the agreed scope.
Can you develop an MVP for my startup?
Yes. I can build a functional MVP around the core features needed to validate your SaaS idea before expanding the product.
Can you work on an existing SaaS or web application?
Yes. I can add new functionality, build modules, integrate APIs, fix issues and improve existing frontend or backend functionality.
Can you build a custom CRM or dashboard?
Yes. I develop custom CRM systems, admin dashboards, sales platforms, customer portals and other database-driven business applications.
Can you integrate payment gateways and subscriptions?
Yes. I work with Stripe, PayPal, Paystack and other payment/API integrations depending on the requirements of the application.
What technologies do you work with?
I work with PHP, Laravel, JavaScript, React, Vue.js, Node.js, NestJS, Python, MySQL, PostgreSQL, Tailwind CSS and related technologies. The final stack depends on the project's requirements.

