You will get bubble app bubble.io website bubble mvp bubble.io developer bubble expert
Top Rated

Top Rated

Project details
Hi, I am a seasoned and highly skilled developer specializing in Bubble.io. I have expertise with design, develop, and deploy responsive web applications using Bubble. I excel in crafting complex and feature-rich applications. Whether it's building intricate workflows, integrating third-party APIs, or creating dynamic databases, I have a proven track record of delivering solutions that exceed expectations.
⚠NOTE - Prices may vary to the requirements. Text me Before Purchasing.
Through harnessing Bubble.io capabilities, I deliver:
✔Bubble Customization
✔Seamless Functionality
✔Scalability
✔Performance
✔Cost-Efficiencent Bubble.io app
Moreover, I am proficient at building:
✔Bubble.io MVP
✔Bubble.io Development
✔Bubble.io SaaS build
✔Bubble.io Marketplace
✔Bubble.io CRM build
✔Bubble.io Social Network
If you're ready to elevate your business with my Bubble.io expertise.
React me today!
Tajinder,
bubble developer | bubble expert | mvp development | MVP Bubble App Developer, Bubble.io Developer, Bubble.io Customization, bubble, Bubble.io Expert, Bubble.io Web application, Bubble.io Development, Bubble.io #bubble.io #bubble #bubble #expert #bubble.io #developer
⚠NOTE - Prices may vary to the requirements. Text me Before Purchasing.
Through harnessing Bubble.io capabilities, I deliver:
✔Bubble Customization
✔Seamless Functionality
✔Scalability
✔Performance
✔Cost-Efficiencent Bubble.io app
Moreover, I am proficient at building:
✔Bubble.io MVP
✔Bubble.io Development
✔Bubble.io SaaS build
✔Bubble.io Marketplace
✔Bubble.io CRM build
✔Bubble.io Social Network
If you're ready to elevate your business with my Bubble.io expertise.
React me today!
Tajinder,
bubble developer | bubble expert | mvp development | MVP Bubble App Developer, Bubble.io Developer, Bubble.io Customization, bubble, Bubble.io Expert, Bubble.io Web application, Bubble.io Development, Bubble.io #bubble.io #bubble #bubble #expert #bubble.io #developer
Programming Languages
PHP, HTML & CSS, JavaScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$99
|
Standard
$450
|
Advanced
$5,000
|
|---|---|---|---|
| Delivery Time | 6 days | 15 days | 21 days |
Number of Revisions | 1 | 3 | 5 |
Number of Pages | 1 | 1 | 8 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code | - | - |
Frequently asked questions
171 reviews
(163)
(5)
(2)
(1)
(0)
IM
Ian M.
Jan 17, 2025
ME
Maite E.
Jun 17, 2026
Bubble.io Expert Needed for Booking Portal
TM
Thomas M.
Jun 15, 2026
Bubble.io Developer Needed — Two-Sided Job Board App for Hospitality Industry
TM
Thomas M.
Jun 15, 2026
Bubble.io Developer Needed — Two-Sided Job Board App for Hospitality Industry
CH
Connor H.
Jun 9, 2026
PLUGD.AI DEVELOPMENT BRIEF
Best dev to work with on Upwork!!!
BB
Besart B.
May 12, 2026
MVP Building
I had a very good experience with Taj and his team. We worked on an early phase MVP that we were able to bring to life and I look forward to working with them again in the future.
About Tajinder
Full Stack Developer | React / Next.js / Node.js| AI, SaaS, RAG, Voice
100%
Job Success
Chandigarh, India - 10:47 am local time
My experience spans AI-powered SaaS platforms, agentic workflows, Retrieval-Augmented Generation (RAG), healthcare integrations, and fintech infrastructure. I've helped startups and growing companies turn ideas into stable products that users can depend on.
What I Specialize In :
- SaaS Application Development
- MVP Development for Startups
- Full-stack development from architecture to deployment
- AI Agents, RAG systems, and LLM-powered applications
- SaaS MVP development and scaling
- Multi-tenant platforms with strong data isolation
- Healthcare integrations (HL7, FHIR, HIPAA-aware systems)
- Fintech platforms and compliance-focused infrastructure
- Technical leadership and fractional CTO support
- AI Integrations (OpenAI, LLMs, AI automation)
- Laravel & Node.js Backend Architecture
- React.js / Next.js Frontend Development
- API Development & Third-Party Integrations
- Workflow Automation (n8n, Zapier, Custom Automation)
- Stripe & Subscription Systems
- Cloud Deployment (AWS, DigitalOcean, Vercel)
- Performance Optimization & Scalability
Beyond Development :
I don't just build what's requested, I help identify the most effective technical solution before development begins. With 5+ years of experience leading architecture decisions and supporting founders as a technical partner, I focus on balancing speed, scalability, and business goals.
Proven Results :
Healthcare Infrastructure :
→ Built an HL7 gateway for HealthMosaic, endorsed by the VP of Enterprise Solutions at Fukuda Denshi USA.
→ Processes 10,000+ clinical messages daily from 200+ hospital monitoring devices.
→ Achieved 99% message delivery reliability.
→ Contributed to an estimated $400K annual operational savings.
Fintech Platform Development :
→ Developed a SEC Regulation CF-compliant backend for a U.S. fintech startup.
→ Delivered 248 automated tests with zero production defects at launch.
→ Designed secure, auditable infrastructure to support compliance requirements.
Technologies :
→ Frontend: React, Next.js, TypeScript, Tailwind CSS
→ Backend: Node.js, Python, NestJS, FastAPI, Express
→ AI/LLMs: OpenAI, Claude, LangChain, LangGraph, RAG, Vector Databases, AI Agents
→ Databases: PostgreSQL, MongoDB, Redis
→ Cloud & DevOps: AWS, Docker, Kubernetes, CI/CD
→ Healthcare & Compliance: HL7, FHIR, HIPAA-aware architectures, Audit Logging
What Makes Me Different:
- 265+ successful projects delivered
- $300K+ earned on Upwork
- 20,000+ working hours (long-term client trust)
- Clean, scalable, production-ready code
- Clear communication & fast response
Industries I’ve Worked With :
• SaaS Platforms
• FinTech
• EdTech
• HealthTech
• Marketplaces
• CRM & Internal Systems
• AI-powered Applications
What clients say:
"Best dev to work with on Upwork!!!"
"I had a very good experience with Taj and his team. We worked on an early phase MVP that we were able to bring to life and I look forward to working with them again in the future."
"Tajinder was great to work with. He is easy to communicate with and explains everything in clear, simple steps, which made the whole process smooth. He is transparent, honest, and puts in genuine hard effort.
If you're building in AI, healthcare, fintech, or any SaaS where it has to work the first time, send me what you're building. You'll hear back within a day on whether I'm the right fit, and I'll tell you straight if I'm not.
Let’s talk.
Thanks,
@Tajinder _ Full Stack Developer & AI Engineer | AI Agents, RAG, SaaS & Healthcare Systems
Keywords : Tajinder senior full stack developer Upwork | Full-Stack AI Engineer | SaaS MVPs, AI Agents & OpenAI Integrations | AI SaaS Developer | Next.js, Node.js, OpenAI, MVP Development | RAG Pipelines | AI Agents | Supabase | LangChain | Full Stack Developer| Full Stack Expert | Full Stack Specialist | React Developer| Node.js Developer| MERN Stack Developer| Backend Developer| React.js | Node.js| Senior Full Stack Developer| Full Stack Specialist | Full Stack Developer| Full Stack Developer Full Stack Developer| React.js Full Stack Developer| Full Stack Developer| Full Stack Developer| Node Full Stack Developer| Node Full Stack Developer| Full Stack Developer| full stack developer| MERN Full Stack Developer| Saas Full Stack Developer| React Full Stack Developer| AWS Full Stack Developer| Full Stack| Full Stack Developer| React Full Stack | Node.js Backend | Full-Stack AI Engineer | Claude API / OpenAI API | AI Integration | SaaS MVP Development ~ LLM / OpenAI API Development ~ AI Chatbot Development Startup Developer | API Integration | Automation Expert | n8n Developer | OpenAI Integration | Web Application | Full Stack Developer | Full Stack| Mobile App Developer
Hire best Full Stack Developer upwork for AI-Powered SaaS platform & MVP Development
Steps for completing your project
After purchasing the project, send requirements so Tajinder can start the project.
Delivery time starts when Tajinder receives requirements from you.
Tajinder works on your project following the steps below.
Revisions may occur after the delivery date.
Project planning and Scope definition
Design and Development





