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English
$
USD
I will software developer, fullstack developer, frontend website developer supabase
Sarah
5.0
5.0
About this gig
Looking for a reliable Software Developer to build a functional, modern, and scalable website or web application?
WHAT I OFFER
- Full-Stack Web Development
- Frontend and Backend Development
- Custom Website, Web App, and SaaS Development
- Python, Django, .NET, React, Next.js, and Node.js
- REST API Development and Integration
- AI Agents, OpenAI API, and LangChain Integration
- PostgreSQL, MongoDB, CRM, and ERP Solutions
- Payment Integration, Automation, Bug Fixes, and Cloud Deployment
PROBLEMS I SOLVE
- Broken features, bugs, and slow websites
- Business ideas needing functional web apps
- SaaS platforms requiring upgrades
- APIs and payment systems needing integration
- Repetitive tasks requiring automation
WHY CHOOSE THIS SERVICE?
- Clean, maintainable code
- Responsive, user-friendly interfaces
- Functionality-focused development
- Scalable solutions tailored to your goals
- Clear communication and attention to detail
From building websites from scratch to improving existing applications, the goal is to deliver reliable solutions that meet your requirements.
Contact me before ordering to discuss your project and required functionality.
Get to know Sarah
Sarah
FullStack Developer SaaS Website Application API Integration
- FromNigeria
- Member sinceAug 2026
- Avg. response time1 hour
- Last delivery2 days
Languages
English, Spanish, German
Full-Stack Developer specializing in SaaS development, backend development, web applications, and AI-powered solutions.
Experienced with Python, Django, .NET, React, Next.js, Node.js, API integration, OpenAI API, LangChain, and database management using PostgreSQL and MongoDB. Skilled in building scalable applications, AI agents, CRM and ERP systems, payment integrations with Stripe, and cloud deployments using AWS, Azure, Docker, and Kubernetes.
Focused on clean code, reliable performance, and delivering business-driven solutions.
My Portfolio
Other Software Development Services I Offer
FAQ
What services do you offer?
Full-Stack Web Development, frontend and backend development, custom websites, SaaS applications, web apps, REST API integration, database management, bug fixing, and application improvements.
Which technologies do you work with?
Services can include Python, Django, .NET, React, Next.js, Node.js, PostgreSQL, MongoDB, and API integrations, depending on your project requirements.
Can you build a website or SaaS application from scratch?
Yes. Projects can include responsive frontend interfaces, backend functionality, database integration, authentication, and custom features based on the agreed requirements.
Can you fix bugs or improve an existing web application?
Yes. Share the current application, explain the issues, and provide any relevant error messages. The scope can be reviewed before work begins.
Do you provide API and third-party integrations?
API integration can connect your web application with external services, payment systems, databases, and AI tools such as the OpenAI API, where appropriate.
Reviews
2 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
G 
gbcbvb
Nigeria
Ongoing collaborationIt was nice working with her again, I will use her service for all my projects in the future because I am satisfied with what she delivered
$50
Price
1 day
Duration
Helpful?G gbcbvb
Nigeria
Ongoing collaborationIt was nice working with Sarah, she understands what need to be put in place first, She fix the bugs on my website and I'm extremely happy. I highly recommend her if anyone needs to fix bugs on their website or mobile app
$50
Price
1 day
Duration
S 
Seller's Response
Helpful?
Reviews
2 reviews for this Gig
| (2) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
G gbcbvb
Nigeria
Ongoing collaborationIt was nice working with her again, I will use her service for all my projects in the future because I am satisfied with what she delivered
$50
Price
1 day
Duration
Helpful?G gbcbvb
Nigeria
Ongoing collaborationIt was nice working with Sarah, she understands what need to be put in place first, She fix the bugs on my website and I'm extremely happy. I highly recommend her if anyone needs to fix bugs on their website or mobile app
$50
Price
1 day
Duration
S Seller's Response
Helpful?
