You will get Full Stack AI Developer | JavaScript, Node.js & Full-Stack Development
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Project details
Please message me before ordering so I can confirm your visualization workflow, required features, technical scope, and best package.
I help businesses build interactive web platforms with custom user flows, structured data, and maintainable frontend and backend logic. This project is based on an interior visualization web service example, but the same approach can fit product configurators, visual planning tools, interactive dashboards, customer portals, and business platforms.
The example system allows users to explore interior layouts, change materials, preview design options, and interact with visual content through a clear interface. The goal is to turn a complex visual workflow into a usable product that helps customers review options and make decisions faster.
Depending on the package, the work may include JavaScript interface logic, Node.js backend planning, Full-Stack Development support, API Integration planning, SQL data structure, admin features, testing, documentation, and technical handover.
This project is a good fit if you need an interactive web tool, visual configurator, customer-facing platform, or technical foundation for a larger custom platform.
I help businesses build interactive web platforms with custom user flows, structured data, and maintainable frontend and backend logic. This project is based on an interior visualization web service example, but the same approach can fit product configurators, visual planning tools, interactive dashboards, customer portals, and business platforms.
The example system allows users to explore interior layouts, change materials, preview design options, and interact with visual content through a clear interface. The goal is to turn a complex visual workflow into a usable product that helps customers review options and make decisions faster.
Depending on the package, the work may include JavaScript interface logic, Node.js backend planning, Full-Stack Development support, API Integration planning, SQL data structure, admin features, testing, documentation, and technical handover.
This project is a good fit if you need an interactive web tool, visual configurator, customer-facing platform, or technical foundation for a larger custom platform.
Programming Languages
JavaScriptWhat's included
| Service Tiers |
Starter
$1,000
|
Standard
$6,000
|
Advanced
$12,000
|
|---|---|---|---|
| Delivery Time | 7 days | 20 days | 60 days |
Number of Revisions | 1 | 2 | 3 |
Design Customization | - | - | |
Content Upload | - | - | |
Responsive Design | - | - | |
Source Code | - |
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AW
Andre W.
Sep 17, 2025
SaaS AI Businesses In-depth Research and Discovery
Working with Olga has been an outstanding experience. Olga and her team went above and beyond to deliver a high quality AI product that exceeded expectations. From the start, their technical expertise, clear communication, and problem solving skills were evident. They not only executed the project flawlessly but also provided valuable insights and suggestions that improved the final outcome.
Deadlines were always met (often ahead of schedule), and the work was thoroughly tested and well documented, making future improvements seamless. It’s rare to find a freelancer who combines such deep technical knowledge with professionalism and reliability.
I would highly recommend Olga to anyone looking for top tier AI development. I look forward to collaborating again on future projects!
Deadlines were always met (often ahead of schedule), and the work was thoroughly tested and well documented, making future improvements seamless. It’s rare to find a freelancer who combines such deep technical knowledge with professionalism and reliability.
I would highly recommend Olga to anyone looking for top tier AI development. I look forward to collaborating again on future projects!
About Olga
Full Stack AI Developer | AI Engineer | AI Chatbots, RAG & Automation
100%
Job Success
Odesa, Ukraine - 7:58 am local time
As an AI Integration Engineer / AI Automation Engineer, I work with AI Development, OpenAI API, ChatGPT API, GPT-4, LLM integration, RAG chatbots, knowledge base chatbots, AI agents, Python, FastAPI, Node.js, and API integrations to move AI features from prototype to production.
If you’re building an AI feature or your prototype is stuck, I help you move it into production - whether that means launching a reliable AI chatbot, integrating OpenAI API / LLMs into an existing product, or automating repetitive workflows with APIs, human review, fallback logic, and clear handover.
With 10+ years of experience in backend systems, API integrations, data flows, full-stack development, and automation-heavy web applications, I focus on making complex systems predictable and controlled — starting with business logic and real operational needs before adding technical complexity.
WHAT I BUILD
• AI Chatbot Development
I build GPT chatbots, OpenAI API chatbots, website AI assistants, customer support chatbots, lead generation chatbots, and knowledge base chatbots with clear conversation logic, fallback handling, lead capture, human handoff, and business-specific behavior.
• AI Integration & Workflow Automation
I integrate AI into your existing tools and workflows using OpenAI API, ChatGPT API, LLM integration, AI agents, REST APIs, webhooks, CRM automation, helpdesk automation, email automation, routing logic, summaries, draft replies, approval steps, and audit logs.
• RAG Chatbots & Knowledge Base AI
I create RAG chatbots and knowledge base assistants that use your documents, website content, FAQs, policies, manuals, or internal knowledge. This includes Retrieval Augmented Generation, embeddings, vector search, semantic search, document indexing, pgvector, Pinecone, Weaviate, and source-grounded answers.
• AI-Powered Web Apps & Full-Stack Development
I develop AI-powered web applications, backend automation, and Full-Stack Development foundations for data extraction, document processing, text summarization, OCR/CV-based workflows when needed, structured outputs, admin workflows, API-first product logic, and production-ready AI features.
HOW I WORK
I don't start with random prompts or generic AI tools. I start with your workflow, users, data sources, business rules, integrations, and success criteria.
AI should reduce chaos, not add another unstable layer. Not every problem needs advanced AI or Data Science from day one. If your project first needs clean data pipelines, backend services, Node.js / Python APIs, dashboards, admin workflows, or MVP infrastructure, I can help build that foundation first - stable, cost-efficient, and ready for AI / ML features when they actually make sense.
Before development, I define what the AI system should do, what should require human review, what should never be automated, and how fallback logic should work when the AI is unsure.
My process usually includes:
• Workflow and requirements review
• Clear scope and acceptance criteria
• AI behavior logic, prompts, tools, and integration planning
• Milestone-based development
• Testing with real examples, edge cases, and failure scenarios
• QA before each release
• Documentation, handover, and optional post-launch support
The goal is to build an AI chatbot, AI integration, backend system, full-stack development foundation, or workflow automation solution that is useful in production - not just an impressive demo.
TECH STACK & TOOLS
• AI / LLMs: AI Development, OpenAI API, ChatGPT API, GPT-4 API, Claude, Gemini, LLM integration, AI model integration, AI agent development
• RAG / Knowledge Base AI: Retrieval Augmented Generation, embeddings, vector search, semantic search, pgvector, Pinecone, Weaviate, document indexing, source-grounded answers
• Backend & APIs: Python, Node.js, FastAPI, Flask, Django, REST API, GraphQL, webhooks, background jobs, Celery/RQ, API integration
• Data Science & Infrastructure: PostgreSQL, MySQL, Redis, MongoDB, vector databases, data pipelines, analytics dashboards, Docker, AWS/GCP, CI/CD, monitoring/logging
• Business Integrations: CRM integration, helpdesk integration, email systems, Slack, third-party APIs, workflow automation, business process automation
• Security & Control: OAuth/JWT, permissions, audit logs, activity logs, human review, fallback handling, approval workflows
• Frontend when needed: React, Vue.js, custom chat UI, chatbot widget, iframe embedding
Send me your AI use case, current tools, and product context - I’ll review it and suggest the most practical implementation path.
Steps for completing your project
After purchasing the project, send requirements so Olga can start the project.
Delivery time starts when Olga receives requirements from you.
Olga works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery
We connect with clients and conduct a discovery phase to understand their unique needs in their working processes.
Development
We develop solutions by milestones. After scope development, our QA conducts testing of it. After that, each milestone will be presented to the client and open to review.

