You will get web developer | full stack web developer | front end web developer
Project details
❗𝐁𝐄𝐅𝐎𝐑𝐄 𝐁𝐔𝐘𝐈𝐍𝐆 𝐓𝐇𝐈𝐒 𝐏𝐑𝐎𝐉𝐄𝐂𝐓❗
Every Client has unique requirements - please let's talk in Upwork Chat before ordering.
My team will provide development for your projects with the following stack: React, Next, Supabase, Node.js, Python, FastAPI, and React Native.
full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer web developer web developer
Every Client has unique requirements - please let's talk in Upwork Chat before ordering.
My team will provide development for your projects with the following stack: React, Next, Supabase, Node.js, Python, FastAPI, and React Native.
full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer full stack web developer front end web developer web developer web developer web developer
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$50
|
Standard
$3,500
|
Advanced
$5,500
|
|---|---|---|---|
| Delivery Time | 3 days | 15 days | 30 days |
Number of Revisions | 0 | 0 | 0 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code | - | - | - |
4 reviews
(4)
(0)
(0)
(0)
(0)
This project doesn't have any reviews.
IB
Irina B.
Jan 17, 2022
React developer needed to refactor the code
Thanks guys! As always everything is great! Honest and responsible guys.
IB
Irina B.
Jan 12, 2022
React developer needed to make a new section "Our Team"
Great job again! Thanks guys
IB
Irina B.
Jan 10, 2022
React developer needed
Did great job on React! We are glad to cooperate again! Let's continue!
PL
Philippe L.
Nov 25, 2021
Wordpress mobile burger fixe
Honest assessment of the work to be done at the right price. Work done quickly, excellent working skill ! I will be happy to work with him in the futur. Thanks again for your awesome work!
About Oleksandr
React Developer | Full Stack Developer React | Frontend React
94%
Job Success
Lviv, Ukraine - 2:50 am local time
📥 Click hire or invite
ABOUT ME
8+ yrs in IT Systems, 5+ yrs in AI Development building 100+ automation flows, agentic AI architectures, RAG systems as Senior AI Engineer & AI Development Partner.
$700K+ budgets as AI Developer, AI Automation Developer, AI Agent Engineer delivering 90+ Production AI Solutions.
15,000+ active users on AI Web Applications where AI Developer execution with AI Chatbots, RAG Applications, Multi-Agent Systems, Knowledge Base Systems lifted engagement by 20–35%.
45+ custom AI Chatbot solutions deployed as AI Developer cut support overhead by 40–60% across Enterprise AI Solutions, AI SaaS Platform builds, LLM Applications.
25+ AI Agent deployments as AI Engineer driving AI Customer Support & Business Process Automation to reduce workload by 70%.
20+ Open AI developer integrations using OpenAI API Integrations (GPT-4o, OpenAI Realtime API) for AI Backend Development.
90% faster processing via AI Workflow Automation, Business Automation, Document Intelligence, AI Product Development, AI Developer setups.
$250K/yr saved for SaaS client via custom AI Development, AI Platform Development, automated workflows as lead AI Engineer.
1000+ live sources parsed real-time by Open AI developer scripts cutting processing from 3 days to 15 min in AI Development.
8+ yrs Senior Full-Stack Engineer and AI Developer.
$700K+ impact as AI Engineer and full stack developer.
15,000+ daily active users on scalable Open AI developer integrations with 99.9% uptime for an open ai developer.
30–50% faster cycles and retention across AI SaaS Platforms as AI Developer in AI Development.
WHERE I DELIVER
As an AI Developer - 25+ Agentic AI solutions, AI Agent Platform builds, AI Assistants, AI Agents using LangChain, LangGraph, MCP, n8n, Zapier for Workflow Automation in AI Development.
As an AI Engineer for RAG - 20+ Knowledge Base builds, RAG Applications, RAG Chatbots, AI Search with Pinecone, Supabase, pgvector, Vector Databases.
As an Open AI developer - 30+ integrations with OpenAI API, Azure OpenAI, Python OpenAI, OpenAI integration, ChatGPT OpenAI, Claude API, Gemini, local LLMs (Llama 3, Mistral).
As an AI developer, ai chatbot developer, AI Software Development expert, AI App Development specialist - 40+ systems with web design, API Development, responsive UX.
As an Open AI developer, chatbot, assistant, ai operator specialist - engineered customer support & sales operations as an openai api developer.
As an ai engineer rag nlp expert, ai data engineer, data scientist - structured enterprise data, document pipelines, knowledge systems.
As an ai prompt engineer, ai prompt engineering lead, ai promt engineering specialist - optimized LLM accuracy and performance.
As a full stack developer, python developer, software engineer - end-to-end ai saas development, AI SaaS Platforms, software for an openai developer.
As an agentic ai developer, airtable developer, ai developers rag team, ai develper zapier expert - created autonomous workflows as an open ai developer.
INDUSTRY IMPACT
Enterprise AI Platforms & SaaS - 15,000+ users, 70% cost reduction, production architecture built by AI Developer and AI Engineer.
Fintech & E-Commerce - 25+ secure RAG Applications, Document Intelligence Platforms, knowledge bases as AI Developer maintaining 99.9% uptime in AI Development.
Content & Generative Media - 500+ monthly AI video workflows, voice AI, image recognition, media pipelines as Open AI developer and AI Engineer.
Customer Support & CRM Automation - 40% faster query resolution via AI Chatbots, AI Assistants, CRM Automation, AI operator features as AI Developer.
Internal Workflow Automation - 12+ hours saved/cycle, job application automation systems, business automation platforms by full stack developer and AI Engineer using Open AI developer tools for AI Development.
HOW I BUILD
30+ products as AI Developer: Python, FastAPI, Node.js, PHP, JavaScript, React, Next.js, Angular, HTML, CSS, Bootstrap, jQuery, UI UX Engineer practices, ux designer principles.
25+ AI/ML builds: LangChain, LangGraph, MCP, Python Scikit-Learn, TensorFlow, machine learning, computer vision, artificial neural network models, supervised/unsupervised learning, data science, data analysis for an AI Developer.
20+ cloud & database stacks: Amazon Web Services (AWS), PostgreSQL, Supabase, SQL, Git, REST APIs, GraphQL, n8n, Zapier, Airtable, Vector Databases as AI Engineer and web developer.
40+ products delivered: Software Architecture & Design, Software Design, Software Development, Web Development, Mobile App Development (iOS Development, Android App Development), app developer with ai mindset, OpenAI, gpt-3, engineering vision as an AI Developer.
Steps for completing your project
After purchasing the project, send requirements so Oleksandr can start the project.
Delivery time starts when Oleksandr receives requirements from you.
Oleksandr works on your project following the steps below.
Revisions may occur after the delivery date.
Let's talk in Upwork Chat before ordering.
Every Client has unique requirements - let's talk in Upwork Chat before ordering.