I build the things other developers find difficult: deep API integrations, HubSpot platform work, data migrations, and custom applications that need to be reliable, not just functional.
15+ years of commercial experience. HubSpot certified in Architecture, Integration and as an Integrator. A track record of integrations into HubSpot, Salesforce, SAP and more, several moving millions of records. And I work AI-first, using modern AI tooling to build faster without dropping the quality bar.
If you've got a technical problem that needs someone who'll get it right, let's talk.
HubSpot
MySQL Programming
jQuery
HTML
JavaScript
PHP
CSS 3
Laravel
SCSS
API Integration
Google Apps Script
Web Development
Dawood A.
Reading, United Kingdom
$25/hr
5.0
6 jobs
๐ AI Developer | AI Engineer | Python Backend Developer | Full Stack Developer | โ 100% Job Success | โ 7+ Years Experience | โ 40+ hrs/week Available
๐ฉ I build production-ready AI applications, AI Agents, Machine Learning solutions, AI SaaS platforms, scalable backend systems, and intelligent workflow automation that automate business operations, power intelligent products, and transform enterprise data into AI-driven solutions using LLMs, Generative AI, RAG, Python, FastAPI, Django, Node.js, React, Next.js, AWS Bedrock, and modern cloud technologies.
As an AI Developer, Python Backend Developer, and Full Stack Developer, I specialize in building intelligent software that combines Artificial Intelligence, Machine Learning, Large Language Models (LLMs), Agentic AI, Retrieval-Augmented Generation (RAG), and robust backend engineering. I develop high-performance backend systems using Python, FastAPI, Django, Flask, Node.js, REST APIs, GraphQL, PostgreSQL, MongoDB, Redis, Docker, Kubernetes, and AWS, while delivering modern, responsive frontends using React, Next.js, TypeScript, JavaScript, and Tailwind CSS.
๐ Core AI Expertise:
๐น AI Development & AI Engineering
๐น Machine Learning & Deep Learning
๐น AI Agents & Multi-Agent Systems
๐น Generative AI Applications
๐น Large Language Models (LLMs)
๐น Retrieval-Augmented Generation (RAG)
๐น GraphRAG & Knowledge Graphs
๐น AI Chatbots & Conversational AI
๐น Voice AI & AI Voice Agents
๐น AI Workflow Automation
๐น AI SaaS Development
๐น Enterprise AI Solutions
๐น Document AI & OCR
๐น Semantic Search & Knowledge Bases
๐น Recommendation Systems
๐น Backend Development
๐น Full Stack Development
๐น AI API Development
๐ค AI & LLM Technologies:
OpenAI โข ChatGPT โข GPT-5 โข Claude โข Gemini โข AWS Bedrock โข DeepSeek โข Llama โข Mistral โข LangChain โข LangGraph โข CrewAI โข AutoGen โข MCP โข LlamaIndex โข Prompt Engineering โข Function Calling โข Structured Outputs โข AI Agents โข Multi-Agent Systems โข RAG โข GraphRAG โข Embeddings โข Vector Databases โข Semantic Search โข Fine-Tuning โข Machine Learning โข Deep Learning โข MLOps
โ๏ธ Backend, Full Stack & Cloud:
Backend: Python โข FastAPI โข Django โข Flask โข Node.js โข REST APIs โข GraphQL โข PostgreSQL โข MongoDB โข Redis
Frontend: React โข Next.js โข TypeScript โข JavaScript โข Tailwind CSS
Cloud & DevOps: Docker โข Kubernetes โข AWS โข EC2 โข Lambda โข S3 โข Bedrock โข SageMaker โข Nginx โข CI/CD
๐ AI Automation & Data Engineering:
n8n โข Make โข Zapier โข ETL Pipelines โข API Integrations โข Webhooks โข OCR โข Document Processing โข Data Engineering โข Web Scraping โข Selenium โข BeautifulSoup โข Workflow Automation
๐ Services:
โ AI Agent Development
โ Multi-Agent Systems
โ Machine Learning Solutions
โ AI SaaS Development
โ Full Stack AI Development
โ Python Backend Development
โ Backend API Development
โ RAG Applications
โ Enterprise Knowledge Bases
โ AI Chatbot Development
โ AI Voice Agents
โ AI Workflow Automation
โ LLM Integration
โ AWS Bedrock Solutions
โ FastAPI APIs
โ Document AI Solutions
โ Semantic Search
โ Cloud Deployment
๐ก Why Clients Hire Me:
โ Production-ready AI solutions not prototypes
โ Strong expertise in AI Agents, Machine Learning, LLMs, RAG, Python & Backend Development
โ Scalable, secure, and maintainable software architecture
โ End-to-end development from AI architecture to deployment
โ Business-focused AI solutions that automate operations and improve productivity
โ Clean, documented, and production-quality code
โ Fast communication and reliable delivery
Whether you need an AI Developer, AI Engineer, Python Backend Developer, Full Stack Developer, Machine Learning Engineer, LLM Engineer, RAG Expert, AI Agent Developer, Generative AI Engineer, or AWS Bedrock Specialist, I can help you design, build, deploy, and scale production-ready AI solutions that deliver measurable business results.
๐๐ฒ๐๐๐ผ๐ฟ๐ฑ๐:
AI Developer โข AI Engineer โข Artificial Intelligence โข Machine Learning โข Generative AI โข AI Agents โข Agentic AI โข Multi-Agent Systems โข Large Language Models (LLMs) โข Retrieval-Augmented Generation (RAG) โข GraphRAG โข AI Automation โข Workflow Automation โข AI Chatbots โข Voice AI โข LangChain โข LangGraph โข LlamaIndex โข MCP โข OpenAI โข Claude โข Gemini โข AWS Bedrock โข Python โข FastAPI โข Django โข Flask โข Node.js โข React โข Next.js โข PostgreSQL โข MongoDB โข Supabase โข Docker โข Kubernetes โข Pinecone โข Qdrant โข ChromaDB โข Vector Databases โข Semantic Search โข Prompt Engineering โข Function Calling โข Structured Outputs โข MLOps โข n8n โข Make โข Zapier โข REST APIs โข GraphQL โข Enterprise AI โข AI SaaS โข Full Stack Development
Artificial Intelligence
Machine Learning
Python
Large Language Model
Generative AI
AI Chatbot
Deep Learning
Computer Vision
Retrieval Augmented Generation
LangChain
Python Scikit-Learn
AI Agent Development
MLOps
AI Bot
AI Development
AI Model Integration
AI Implementation
FastAPI
Django
AI Platform
Miles T.
Tarleton, United Kingdom
$49/hr
5.0
11 jobs
Top 1% on Upwork | Expert-Vetted | 100% Job Success
I'M THE EXPERT YOU'RE LOOKING FOR. Here's why...
You have an idea for a scalable SaaS, AI, or Marketplace app. You need it built right, built fast, and built to last.
As a senior specialist, I build enterprise-grade web applications from the ground up. I run my own product studio, RootBase, which allows me to operate as a focused solo developer for your MVP or assemble a dedicated team for larger, more complex builds.
I don't build basic WordPress sites. I build the core product that runs your business.
My Modern Approach: The High-Performance Advantage
I am a specialist in using the latest development tools at the forefront of modern technology.
My approach is to build with an enterprise-grade stack that delivers a high-performance, scalable, and secure alternative to traditional, code-heavy development. This is what allows me to build faster and more reliably.
Speed: Go from idea to a production-ready MVP in weeks, not months.
Power: Handles complex logic, real-time data, AI integrations, and secure payments with ease.
Scalability: Built on enterprise-grade infrastructure, it's ready for millions of users from day one.
No "Rebuild": This isn't a throwaway prototype. The MVP you launch is the foundation you scale on.
Proven Expertise in Complex Applications
I don't just talk about itโI've built it. My portfolio is my proof.
Project: Traderstack (AI SaaS)
What I built: A complete AI-powered SaaS platform from the ground up.
Features: Real-time conversational AI, full user authentication, and a complex freemium credit-based subscription model with Stripe.
Project: RidePay (FinTech PWA)
What I built: A real-time fare calculator and payment PWA for private hire drivers.
Features: Dynamic fare logic, and a full Stripe Connect integration for driver onboarding and automated payouts.
Project: Yayday.io (Social Achievements)
What I built: A social achievement network.
Features: Searchable user profiles, social feeds (posts, likes, comments), and complex leaderboard systems.
Project: ROCE (Real Estate Marketplace)
What I built: A marketplace for agents to list properties, and buyers to purchase.
Features: Searchable properties, custom categories and filters, agent profiles, review system, buyer alert notification system, and much more.
Core Services
* Full-Stack SaaS & MVP Development
* AI Integration (OpenAI, Gemini)
* Complex Payment Systems (Stripe, Stripe Connect)
* Marketplace & Social Community Builds
* Real-Time & Geolocation Apps
* Secure, Scalable Backend Architecture
Let's Build Your Platform
I partner with a select number of serious clients to build exceptional products. If you have a clear vision and are ready to build, I'm the developer who can get it done.
Send me a message with the details of your project, and let's schedule a call.
Web Application
JavaScript
HTML
CSS
Web Development
Webflow
Back-End Development
SaaS
SaaS Development
Back-End Development Framework
Database Architecture
Wajahat R.
London, United Kingdom
$50/hr
4.7
1,379 jobs
I help companies and startups build scalable, production-ready AI systems and infrastructure that integrate seamlessly into business processes from intelligent chatbots and autonomous AI agents to distributed data pipelines, vector databases, and enterprise workflow automation.
Beyond just building, I focus on solving business-critical problems:
- Reducing operational inefficiencies by automating repetitive workflows and embedding AI into daily processes
- Fixing scalability bottlenecks with cloud-native AI infrastructure and system-level architecture designed for high-volume data and real-time decision-making
- Eliminating integration headaches by connecting CRMs, ERPs, and SaaS tools with secure, production-ready APIs
- Building custom scripts & backend automations to orchestrate AI systems, pipelines, and workflows
- Improving reliability & accuracy of AI systems through fine-tuning, RAG pipelines
- Cutting costs & accelerating time-to-market with AI-powered automation, optimized workflows, and scalable infrastructure
- Unlocking new revenue opportunities via customer-facing AI agents
โ About Me
I am a Senior AI Technical Developer, Machine Learning Engineer, and Automation Architect with 5+ years of experience designing, deploying enterprise-grade AI infrastructure that helps startups scale and enterprises stay ahead of the competition, AI-driven applications, large-scale data pipelines, and cloud-native AI infrastructure.
My expertise spans Generative AI, Large Language Models (LLMs), Multi-Agent Systems, Data Engineering, AI Infrastructure Design, MLOps, API Development, and Full-Stack AI solutions.
Services I Provide
โ Scripting & Automation
Python scripting for automation, data processing, and API integrations
Custom scripts for ETL pipelines, log processing, and system monitoring
AI-powered automation combining LLMs with workflow tools (Zapier, n8n, Make.com, Pipedream)
Task automation across CRMs, ERPs, and SaaS platforms to reduce manual workload
Server-side scripting & backend automation for event-driven AI applications
Multi-step automation pipelines connecting APIs, databases, and AI agents
End-to-end business process automation from lead generation to intelligent reporting dashboards
โ Automation & AI-Powered Workflows
Business process automation with Zapier, Make.com, n8n, Pipedream
AI workflow orchestration (real-time + batch processing)
CRM & ERP automation (HubSpot, Salesforce, Zoho, GoHighLevel, Shopify)
RPA (Robotic Process Automation) for repetitive workflows
End-to-end automation pipelines integrated with AI systems
โ AI Integration
Seamless integration of AI models (LLMs, vision, speech, multimodal) into existing business systems
End-to-end AI integration with CRMs, ERPs, and SaaS platforms (Salesforce, HubSpot, Zoho, GoHighLevel, Shopify)
Custom middleware & connectors to bridge AI agents with APIs, data warehouses, and enterprise applications
Embedding AI into workflows for customer support, lead generation, analytics
Secure & scalable API integrations for payments, marketing platforms, and cloud-based services
Hybrid cloud/on-prem AI deployment
โ Tools & Technologies
Automation Platforms: Zapier, n8n, Make.com, Integromat, Pipedream
AI/ML Frameworks: PyTorch, TensorFlow, HuggingFace, Scikit-Learn, LangChain
LLMs & Generative AI: GPT-4, Claude, LLaMA, Mistral, Stable Diffusion, ElevenLabs
Vector Databases: Pinecone, Weaviate, Milvus, Chroma, Elasticsearch, Supabase
Databases: MySQL, PostgreSQL, MongoDB, Redis, DynamoDB, Firebase
Data Tools: Apache Airflow, Spark, dbt, Hevo, Talend
Cloud Platforms: AWS, GCP, Azure (ML, Storage, Compute, Deployment)
DevOps & Infrastructure: Docker, Kubernetes, GitHub Actions, Terraform, Jenkins, MLflow, Weights & Biases
Why Choose Me?
โ Senior AI Infrastructure Architect โ designing scalable AI systems, databases, orchestration frameworks,
โ Automation & Scripting Engineer โ building custom Python scripts, backend automations, and enterprise-grade RPA workflows
โ AI Integration Specialist โ proven track record integrating AI with CRMs, ERPs, SaaS tools, APIs, and enterprise infrastructure
โ Generative AI & Full-Stack AI Specialist โ expertise in GPT-4, Claude, LLaMA, RAG, fine-tuning, and building end-to-end AI applications
โ AI System Developer โ delivering seamless front-end + back-end AI systems
โ Proven Results โ 300+ projects
๐ Specialties for Upwork Clients
AI Developer for startups & enterprise AI adoption
Machine Learning Engineer for scalable AI infrastructure
Generative AI Expert for Chatbots, Agents, and RAG pipelines
Workflow Automation Specialist (Zapier, n8n, Make.com)
API Developer & SaaS Integration Expert
Letโs Build Your AI Future
If youโre looking for a Top-Rated AI Developer who combines technical depth with production-ready AI infrastructure and automation, letโs talk. I specialize in building scalable, automated, and intelligent systems that drive measurable business impact.
๐ฉ Message me today to start your project.
Deployment Automation
Automated Workflow
CRM Automation
Task Automation
API Integration
Chatbot Integration
ChatGPT API Integration
n8n
Zapier
Make.com
OpenAI API
ChatGPT API
ChatGPT Prompt
Software Architecture
Scripting Language
Robert S.
Newcastle upon Tyne, United Kingdom
$45/hr
5.0
40 jobs
Based in Newcastle England I provide ultra-efficient Google Workspace automations that save time and money. I have a Master's in Computer Science and 5 years as CTO of a tech startup, with experience delivering technical solutions to large companies such as Skyscanner and American Express. I deliver professional-grade automation solutions that transform manual, time-consuming workflows into efficient, money-saving systems.
I have extensive software experience with Google Apps Script, JavaScript & Node.js, API integrations, custom AI implementations, and no-code experience with platforms including Zapier, Make.com, n8n, and various CRM systems.
I have worked with companies ranging from startups to established businesses, automating processes from simple email workflows to complex multi-system integrations involving real-time data synchronization.
Just a few of my recent automation projects:
- AI-powered content for blog posts, social media content, and more using GPT and Claude APIs
- Automated email follow-ups for reminders, requests and escalations based on specific criteria
- Synchronization of contacts, leads, and pipeline data from Google Workspace to HubSpot CRM
- Retrieving addresses, ratings, opening hours, websites and more with Google's Places API
- Custom PDFs at scale for Invoices, contracts, and work orders using Google Docs
- Google web app for analytics dashboard displaying metrics on an elegant, mobile-first webpage
- End-to-end customer lifecycle automation that handles the full customer service workflow
- Gmail to Airtable - Automated bank transaction tracking and validation from gmail to airtable
As a former business owner, I understand that you need automations that work well and pay for themselves quickly. No fluff, no over-engineering, just practical solutions that free up your time and cut your costs.
Feel free to get in touch to discuss which business processes are costing you the most time and money and how they can be automated.
Google Apps Script
Google Sheets
Google Sheets Automation
Data Analysis
Excel Formula
Spreadsheet Automation
Data Visualization
JavaScript
Business Activity Monitoring Software
Google Workspace
Google Chrome Extension
Project Management
Startup Consulting
Business Development
Muneeb Q.
Birmingham, United Kingdom
$50/hr
5.0
5 jobs
Iโm a Full-Stack & AI developer building production-grade web and mobile apps powered by LLMs, RAG, GenAI, and intelligent automation. I combine applied AI/ML expertise with scalable cloud engineering and cross-platform development to deliver secure, high-performance products for startups and enterprises.
โ Working with us is easy
โ Award-Winning & Top-Cert MNC
โ 9+ Years in Full Stack Development, Driving AI Innovations
โ Successfully Delivered Live AI Projects
โ 500+ Happy Clients
โ 24x7 Available (UK and US)
โ Delivery Success Rate 100%.
โ Over 50 professionals in-house
โจ๐๐๐ง๐๐ฌ-๐จ๐ง ๐๐ฑ๐ฉ๐๐ซ๐ข๐๐ง๐๐ ๐ฐ๐ข๐ญ๐ก:โจ
โ Full Stack AI Web Development (Python, JavaScript, React.js, Next.js, Vue.js, HTML/CSS)
โ Cross-platform Mobile App Development (Flutter, React Native, Swift, Kotlin)
โ Custom AI Agent Development for automation, support & workflows
โ Machine Learning Model Implementation (Recommendation Systems, Document AI)
โ End-to-End Product Architecture & Engineering
โ API Integrations (Stripe, Firebase, AWS, Pipedrive, and more)
โ Advanced Generative AI Tools & Chatbot Development (LLMs, RAG, NLP)โจโจ
๐๐๐๐ก ๐๐ญ๐๐๐ค & ๐๐ฑ๐ฉ๐๐ซ๐ญ๐ข๐ฌ๐:
๐๐/๐๐ & ๐๐ฎ๐ญ๐จ๐ฆ๐๐ญ๐ข๐จ๐ง
AI App Development โข Machine Learning โข Deep Learning โข Generative AI โข Agentic AI โข AI Agent Development โข Chatbot Development โข Computer Vision โข Workflow Automation โข Webhook Automation โข LLMs โข Chatbots โข NLP โข RAG โข AI Agents โข OpenAI โข LangChain โข LlamaIndex โข Pinecone โข GPT-3.5 โข GPT-4 โข GPT-4o โข Claude โข HuggingFace โข TensorFlow โข PyTorch โข Scikit-learn โข Vector Databases โข Transformers โข Prompt Engineering โข LLMOps โข GANs โข Tokenization โข LLaMA 3 โข Fine-tuning
๐๐๐๐ฌ & ๐๐ง๐ญ๐๐ ๐ซ๐๐ญ๐ข๐จ๐ง๐ฌ
REST APIs โข RESTful/GraphQL services โข 3rd-party integrations โข API development โข PayPal โข Stripe โข SendGrid โข Plaid โข Twilio โข Google Places API โข Google Calendar API โข Celery โข EVOX API โข Augora โข Pipedrive โข n8n โข Make.com โข Zapier โข Custom integrations โข Real-time systemsโจDatabases: Firebase โข PostgreSQL โข MongoDB โข MySQL โข Redis
๐๐ฅ๐จ๐ฎ๐ & ๐๐๐ฏ๐๐๐
AWS (ECS, EKS, Lambda, Amplify, S3) โข GCP (Firebase, Cloud Functions) โข Azure โข Docker โข Kubernetes โข Terraform โข Jenkins โข GitHub Actions โข Vercel โข DigitalOcean โข CI/CD โข Serverless Framework โข Auto-scaling โข Grafana
๐๐๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ
Python, Django, Flask, React.js, Next.js, Vue.js, Angular, Node.js, PHP (Laravel), HTML, CSS, JavaScript, TypeScript, Spring Boot, NestJS, ExpressJS, Full Stack Development, Frontend Development, Backend Development
๐๐จ๐๐ข๐ฅ๐ ๐๐ฉ๐ฉ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ
Android, iOS, React Native, Flutter (cross-platform apps), App Store, Play Store, Publishing applications, Swift, Kotlin, Java, Android Studio
โจWhy Clients Hire Me
* AI-first full-stack engineering: deploy LLMs into real apps with production reliability.
* Cross-platform delivery: unified product vision across web, iOS, Android.
* DevOps & scalability: cloud-native, containerized, CI/CD and monitoring baked in.
* Business focus: product thinking, clear milestones, and measurable outcomes.โจ
๐๐ก๐จ ๐ ๐๐จ๐ซ๐ค ๐๐ข๐ญ๐ก:
โ Startups launching MVPs and scaling fast
โ SaaS founders building dashboards, platforms & integrations
โ Businesses needing mobile-first digital solutions
โ Companies adopting AI for automation & growth
โ Entrepreneurs looking for reliable long-term tech partnersโจ
Ready to build an AI-driven web or mobile product? Message me and letโs design, build, and ship your next intelligent product.
User Interface Design
JavaScript
TypeScript
AI Speech-to-Text
Full-Stack Development
Mobile App Development
Web Application Development
AI Development
AI Mobile App Development
AI Model Development
LLM Prompt Engineering
AI App Development
AI Chatbot
Chatbot Development
React
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