You will get a fabulous web application using Gatsby
Top Rated
Project details
You will get a fully responsive website or landing page in Gatsby, ReactJS, NodeJS, etc. Gatsby is the latest technology that is considered the best for developing static websites that are Progressive Web Apps, follow the latest web standards, and are optimized to be highly performant.
Gatsby is React static webpage generator. Gatsby help to build a modern, faster, saleable website. I am here to build you that.
My Services:
- Server-side rendered web application (SSR)
- Add a new feature into an existing application
- Static website and app with GatsbyJS, ReactJS integrated with Headless CMS
- Convert WordPress to Gatsby / Integrate WordPress with Gatsby
- Single-page app (SPA)
- Progressive web apps (PWA)
- Custom user interfaces
- API Integration
Gatsby is a framework of ReactJS which is the most powerful and fast web development language and will work.
Best Regards.
Gatsby is React static webpage generator. Gatsby help to build a modern, faster, saleable website. I am here to build you that.
My Services:
- Server-side rendered web application (SSR)
- Add a new feature into an existing application
- Static website and app with GatsbyJS, ReactJS integrated with Headless CMS
- Convert WordPress to Gatsby / Integrate WordPress with Gatsby
- Single-page app (SPA)
- Progressive web apps (PWA)
- Custom user interfaces
- API Integration
Gatsby is a framework of ReactJS which is the most powerful and fast web development language and will work.
Best Regards.
Programming Languages
HTML & CSS, JavaScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$100
|
Standard
$300
|
Advanced
$600
|
|---|---|---|---|
| Delivery Time | 5 days | 12 days | 24 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 2 | 3 | 7 |
Design Customization | - | ||
Content Upload | - | ||
Responsive Design | |||
Source Code |
118 reviews
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AM
Anthony M.
May 11, 2026
Real Time Kanban NextJS
Came up with good solution for product and provided results quite fast
VL
Vincent L.
Dec 1, 2025
Financial_app
Good communication, good job fast and with no errors
CB
Curtis B.
Nov 18, 2025
Front end developer
NK
Nicholas K.
Oct 31, 2025
Senior NextJS Developer - Front-end development
VL
Vincent L.
Aug 31, 2025
54 hours Vincent / Thomas
About Bhavin
AI Engineer | LLM Agents, RAG & Automation| Next.js, Node.js, Python
100%
Job Success
Surat, India - 11:23 am local time
➝ Built an enterprise AI agent orchestration platform supporting GPT-4o, Claude, and Gemini with real-time monitoring, governance controls, and automated workflows across Marketing, HR, Supply Chain, and Customer Success.
➝ Built production n8n and Make automation systems connecting Xero, Shopify, CRMs, and third-party APIs with webhook-driven workflows, idempotency engines, and zero-error track records since deployment.
➝ Built multi-tenant SaaS platforms with schema-based data isolation, RLS policies, role-based access control, Stripe subscription billing, and full admin dashboards running in production.
➝ Integrated OpenAI, Claude, Azure OpenAI, and LangChain into real products, building AI agents, RAG pipelines, document processing systems, and agentic voice workflows using Retell.ai.
➝ Engineered custom NLP engines with 93.3% entity accuracy, sub-20ms responses, and scalable processing across 500+ products in a 5-step state machine.
➝ Developed React Native and Flutter apps with real-time features, third-party payments, and map integrations, delivered simultaneously on iOS and Android with 100k+ combined users.
➝ Built and integrated complex third-party systems including DocuSign contract workflows, IMAP email ingestion, Xero accounting automation, government compliance APIs, G2A catalog sync, and multi-system automation pipelines.
➝ Worked across SaaS, healthtech, logistics, e-commerce, sports, fintech, real estate, and AI automation, adapting quickly to domain requirements without hand-holding.
➝ Maintained a 100% Job Success Score with Top Rated Freelancer, across 150+ completed Upwork projects with long-term client relationships and on-time delivery.
My stack covers the full product:
➝ AI Automation & LLM Integrations
• OpenAI, Claude, Gemini API, LangChain, Pinecone, FAISS, RAG Architecture
• AI Agents, n8n, Make, Zapier, Retell AI Voice Agents, Workflow Automation
➝ Frontend Development
• React, Next.js (App and Pages Router), Vue.js, TypeScript
• Tailwind CSS, shadcn/ui, Redux, React Query, Framer Motion
➝ Backend Development
• Node.js, NestJS, Express.js, Python, Django, FastAPI, Flask
• Supabase, Firebase, REST APIs, GraphQL
• WebSockets, Socket IO, JWT and OAuth
➝ Mobile Development
• React Native (Expo & CLI), Flutter
• Real-time chat & video (Twilio, Agora, WebRTC)
• Stripe, Maps, Push Notifications
➝ Database & Cloud
• PostgreSQL, MySQL, MongoDB, Redis
• AWS (S3, EC2, Amplify), Google Cloud
I work best with founders and technical leads who need one reliable engineer to own the build end-to-end. I communicate clearly, flag blockers early, and treat your deadline as mine.
Send me a message with your requirements, and I will outline your technical roadmap within hours.
Bhavin Sen
Steps for completing your project
After purchasing the project, send requirements so Bhavin can start the project.
Delivery time starts when Bhavin receives requirements from you.
Bhavin works on your project following the steps below.
Revisions may occur after the delivery date.
1. Project requirements
In this step, we'll discuss project requirements, what functionalities you want, and many more. We'll also discuss our timeline and how much time it may need to complete the project.
2. Final Delivery
Upon your certification, we will deliver the web app.