I'm Django developer with 15yr+ experience and previously running an agency mainly focused on ecommerce development on top of Python 3 and Django, VueJS, ReactJS and currently consulting the clients solo focused on the complex and high-load Django projects, data pipelines, ETL, microservices, Docker etc.
I worked with the projects in the various industries, such as ecommerce, fintech, regtech, sales, marketing, ticketing, hospitality, e-learning, services booking etc and took different roles on the projects, both as the contributor and as the technical/team leader.
During the last few years my main focus was consulting and contributing to the distributed and high-load Python/Django/Docker projects as well as their maintenance and scaling.
Apart from work on the commercial projects, I also contributed to various open-sources projects, such as: Django, Django-allauth, Django REST Framework and others, wrote articles about the Django development.
Currently I'm building the core of my Python-powered books recommendation platform - data models and pipelines, AI models, ML- and DevOps.
I also used to visit Python conferences and gave a few talks on the Python and Django topics:
โข PyBerlin 2020 - Python 2 to 3 migration
โข DjangoCon Europe 2020 - There's more than one way to draw a map
โข PyCon.DE 2018 - Developing Ecommerce Platform With Django Oscar
โข DjangoCon Europe 2017 - How to keep open-source project alive.
Django
JavaScript
Python
Vue.js
Amazon Web Services
NGINX
React
Ansible
RESTful API
Unit Testing
CI/CD
Ubuntu
Microservice
Vitaliy A.
Shevchenkove, Ukraine
$45/hr
5.0
111 jobs
๐ฆพ AI-powered solutions. OpenAI integrations. Machine learning capabilities. Business automation.
Iโm an AI Developer and Open AI developer with 13+ years of experience in SaaS products, automation systems, backend platforms, and business tools. My work combines practical AI Integration, scalable architecture, Python developer expertise, JavaScript, and strong product thinking.
As an AI Developer, I help clients build internal tools, dashboards, chatbots, AI Langchain workflows, data platforms, web applications, and automation systems. I also work as a Python Django developer when projects need secure APIs, admin panels, user roles, CRM connections, database logic, and stable backend architecture.
My stack includes Python, Django, React, JavaScript, REST APIs, PostgreSQL, Docker, OpenAI, Claude, LangChain, vector databases, Zapier, Airtable, n8n, make com, Slack, Google Workspace, and third-party API connections.
๐ผ Why Work With Me?
I donโt just write code โ I build systems that solve real business problems. As an AI Developer and Agentic AI Developer, I focus on clean workflows, reliable outputs, automation logic, and product usability.
For AI Integration, I connect models with your real data, users, tools, and business processes. This includes AI API Integration, Airtable Integration, chatbots, copilots, document processing, customer support automation, reporting systems, knowledge bases, and smart assistants connected to CRMs, databases, files, and APIs.
As a Python developer, I build scalable backend systems with clear structure, secure permissions, optimized databases, background jobs, and clean admin logic. I also support Python developer web scraping, data processing, automation scripts, API integrations, reporting workflows, and ML-related pipelines.
On the frontend side, I use JavaScript to build dashboards, admin portals, SaaS interfaces, internal tools, analytics screens, and API-driven product flows that are simple for real users.
๐ป Development Expertise
AI Developer services: smart assistants, workflow agents, SaaS tools, AI Developer zapier workflows, document analysis, recommendation logic, and business copilots.
AI Integration Specialist work: OpenAI, Claude, vector search, Airtable, CRMs, internal databases, n8n, make com, Slack, Stripe, and custom APIs.
Python developer work: backend logic, automation, data pipelines, scraping, reporting, API services, background workers, integrations, and analytics.
Python Django developer work: SaaS backends, admin panels, authentication, permissions, dashboards, REST APIs, PostgreSQL, Celery, Redis, and secure architecture.
JavaScript: React interfaces, dynamic web apps, dashboards, interactive workflows, API-driven screens, and modern frontend development.
Machine Learning: NLP, LLM workflows, predictive analytics, AI Machine Learning features, recommendations, classification logic, and business intelligence.
๐ง Use Cases I Can Build
AI Developer Langchain projects for SaaS startups, agencies, internal teams, marketplaces, fintech, real estate, operations, and e-commerce.
AI Integration for customer support, sales, operations, research, reporting, content workflows, document automation, and internal knowledge systems.
Python developer geospatial solutions, Python Full stack platforms, Python AI developer tools, data scientist workflows, web scraping systems, and API Integration pipelines.
Full stack developer support for web developer tasks, backend architecture, frontend delivery, automation, dashboards, and production-ready product development.
๐ง How I Approach Projects
First, I clarify your goals, process, users, data, integrations, and business priorities. Then I design a practical architecture and build step by step, with attention to reliability, security, performance, and future scaling.
For AI Integration, I focus on prompt quality, context structure, data sources, fallback logic, logging, testing, and human review. A strong AI Integration is not just a model call; it is a complete workflow that fits your business.
I can also join projects at different stages: early MVP planning, rebuilding legacy workflows, improving existing AI tools, or scaling a working platform. My focus is always on practical delivery, clear communication, clean code, and measurable business value. Iโm comfortable working with founders, agencies, product teams, and non-technical clients who need a reliable technical partner, not just a coder.
I can help define the MVP scope, choose the right stack, estimate the effort, and then build the product step by step with demos, feedback loops, and stable deployment.
If you need a reliable AI Developer who can combine AI Integration, Python developer expertise, JavaScript, Machine Learning, web developer experience, and full-cycle delivery, I can help you build and launch a product that works.
JavaScript
Python
AI Agent Development
AI Development
OpenAI API
n8n
Make.com
API Integration
Automation
Software Architecture & Design
Machine Learning
Natural Language Processing
ChatGPT API
AI Implementation
Computer Vision
Node.js
RESTful API
Artificial Intelligence
Software Development
Deep Learning
Oleh Z.
Lviv, Ukraine
$40/hr
5.0
2 jobs
Available today [21.07]
Got a Python project? Here's my offer - free technical consultation and a Python codebase audit.
Tell me what you're building in Python or send over your Python repo, and I'll give you a straight assessment: what's solid, what needs work, and how to move forward.
๐๐๐+ ๐ฝ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐๐ ๐๐ต๐ถ๐ฝ๐ฝ๐ฒ๐ฑ. ๐๐+ ๐๐ฒ๐ฎ๐ฟ๐ ๐ถ๐ป ๐๐ต๐ฒ ๐ด๐ฎ๐บ๐ฒ.
If you need a Python developer who actually delivers - you found one.
What You Get Right Now
- Free technical consultation. Tell me what you're building in Python - I'll give you honest feedback and a rough roadmap. No strings.
- Python codebase audit. Got an existing Python product? I'll find the weak spots before they cost you money.
Brands I've Worked With
โข Carlsberg โข ASUS โข NielsenIQ โข Virgin โข Volvo โข VW Group โข Tetra Pak โข Scania โข Casio
These companies don't settle for "good enough." Neither do I.
Projects That Speak Louder Than Words
- DockWorks - Python-powered marine SaaS. Django backend, full-stack Python platform. Led to 100% product acquisition.
- EvenFlow AI - Python-driven AI platform. 20%+ revenue growth, $1.5M raised. Top 5% of SaaS companies by growth speed.
Tech I Live In
Python (Django, FastAPI, Flask) โข AI/ML & LLMs โข .NET Core โข PHP (Laravel, Symfony, Yii) โข Node.js โข React โข iOS (Swift, UIKit) โข Android (Kotlin, Jetpack Compose) โข Flutter โข 3D (3ds Max, ZBrush, V-Ray, Substance Painter)
Industries: Healthcare, FinTech, eCommerce, Automotive, SaaS, CRM/ERP, Marketplaces
How I Work
- Weekly reports. NDA as standard. I test everything - functional, regression, API, cross-browser. Quality is baked in from day one, not patched in later.
Django
Python
Full-Stack Development
React
Artificial Intelligence
AI App Development
Mobile App
SaaS Development
Node.js
PostgreSQL
Amazon Web Services
ERP Software
Android App Development
iOS Development
Flutter
FastAPI
Java
PHP
Healthcare IT
API Integration
Dmytro S.
Lviv, Ukraine
$22/hr
4.8
29 jobs
Looking for a skilled Full-stack Developer with expertise in Python, Django, FastAPI, and React?๐
I specialize in delivering high-performance web applications, combining the power of Python frameworks like Django and FastAPI with modern frontend technologies such as React. Iโm also passionate about integrating AI & ML solutions, creating intelligent systems that drive innovation and solve real-world problems efficiently.
๐ Quick Overview
โ Developed 15+ projects with a strong focus on delivering value and improving business processes.
โ Created high-performance web apps using Django, FastAPI, React, Next.js, and JavaScript, ensuring smooth user experiences.
โ Integrated PostgreSQL & SQL (ORM) databases, optimizing data handling and performance.
โ Led the development of secure APIs with thousands of active users, ensuring reliability and scalability.
๐ง Key Skills & Technologies
โBackend Development: Django, FastAPI, Python (Django DRF, SQL (ORM)), building fast and secure server-side APIs.
โFrontend Development: React.js, Next.js, JavaScript, creating seamless, responsive, and dynamic user interfaces.
โ Database Management: PostgreSQL, MySQL, SQLite, with a focus on high performance and scalability.
โ Version Control & CI/CD: Git, GitHub, GitLab, automating deployment processes for faster time-to-market.
โAI & ML Expertise: Proficient in machine learning frameworks such as TensorFlow, PyTorch, and Keras, enabling AI-driven solutions to enhance your business.
๐ผ Industry Experience
Iโve built custom solutions across multiple industries, including:
Fintech: Scalable financial platforms with real-time data processing.
E-commerce: Integrated payment systems and optimized inventory management.
Healthcare: HIPAA-compliant patient management systems and telemedicine solutions.
Logistics: Real-time tracking systems and fleet management tools.
TravelTech: Customized booking systems and travel management solutions.
Stop Waiting, Letโs Start Building!
If youโre looking for a reliable, results-driven developer who can transform your ideas into reality, letโs connect! Iโm ready to collaborate and bring your vision to life with clean, scalable code and exceptional performance.
Find me with the keywords below:
API, Python, JavaScript, Django, FastAPI, React, Next.js, Web Development, Full-Stack Development, PostgreSQL, SQL, RESTful API, Git, Docker, CI/CD, API Integration, React Hooks, Unit Testing, Web Application, React.js, SaaS, Automation, Backend, Frontend.
Django
Python
Selenium
Beautiful Soup
Linux
Docker
Git
Testing
Web Scraping
Web API
REST API
Flask
FastAPI
SQL
MongoDB
Volodymyr S.
Kiev, Ukraine
$60/hr
5.0
59 jobs
$53M+ Raised by Clients | 84+ Products Delivered | 100% Job Success | 14 Years in SaaS
โ 14 years as CTO & Founder of Gearheart, Enterprise SaaS product development studio
โ Co-Founder & CTO at Beyond the Wow, an AI-native MVP studio
โ Helped 84+ startups and growth-stage SaaS teams scale their products
โ Built SmartSuite from scratch - $38M raised, 7M+ users
โ 2-4x faster delivery using Claude Code, Lovable, Cursor, and Replit
โ Top Developer at Clutch and Goodfirms
I'm a CTO and Full Stack Developer with 20 years of engineering experience, specializing as a Python Full Stack Developer for SaaS and a Full Stack Developer for React. Most founders don't fail because they can't build - they fail because they build the wrong thing. My job as your Full Stack Developer is to make sure that doesn't happen to you.
As an MVP Developer, I focus on SaaS architecture and MVP Development - idea to live in weeks. My team delivers Full Stack Developer React and Python engineering with AI API Integration built in by default. Behind me is a team of 23 senior Full Stack Developer engineers - 84+ products for 70+ clients across 7 countries. Many also work as a React Developer, a Web Developer, or a Mobile App Developer depending on the stack.
We bring AI SaaS Development, SaaS MVP, and SaaS Business Development speed with Full Stack Developer depth.
๐ ENGINEERING STANDARD
Our standard as a Full Stack Developer and SaaS Developer comes from Gearheart, 14 years as a SaaS Developer studio:
- SmartSuite - SaaS Developer and MVP Development from scratch, built by our Full Stack Developer team: $1.2M ARR in 4 weeks, $38M raised, trusted by Capital One
- Globalli - Python Full Stack Developer for SaaS and SaaS Developer project: HR/payroll across 125+ countries, SOC2 Type II, $15M raised, 15+ modules, 21 engineers
๐ง WHAT I CAN HELP YOU WITH
- Discovery & Prototype: every MVP Developer engagement gets a clickable prototype in 5 days using Lovable, Replit, Cursor
- Rescue Diagnosis: code broken? Review by a senior Full Stack Developer and AI Development engineer
- MVP & Landing Page: MVP Development in 3 weeks by a Full Stack Developer and Web Developer team. AI API Integration, auth, onboarding included
- Sprint Subscription: your long-term Full Stack Developer, SaaS Developer, and MVP Developer partner
โก MVP SPEED
- Legal SaaS platform + AI API Integration knowledge base, by our Full Stack Developer team โ ~2 months
- AI Receptionist with AI API Integration + CRM, a Full Stack Developer build โ shipped in weeks
- B2B Dental Referral SaaS - MVP Developer and Full Stack Developer delivery โ 3 weeks
- Medical device MVP Development - ICP, PMF, build โ 2 weeks
๐ก WHY WORK WITH ME
- Product Thinking First: we start at ""should you build this?"", not ""what do you want us to build?"" - most developers skip this as a Full Stack Developer
- AI Speed, Engineering Quality: we use Claude Code, Lovable, and Cursor as a Full Stack Developer and SaaS Developer would - as engineers, not prompt writers
- We're Founders Too: we know where AI Development fits and where it doesn't
- Offshore Pricing, Enterprise Standard: Ukraine-based Full Stack Developer and SaaS Developer team, plus React Developer, Web Developer, WordPress Developer, and Mobile App Developer specialists
Our team ships AI SaaS Development, Full Stack Developer and Web Developer builds, and App Developer work - backed by Software Developer depth and SaaS marketing know-how
Our Full Stack Developer engineers cover Software Developer tooling, REST API architecture, Web Developer interfaces, and App Developer delivery - plus dedicated React Developer, WordPress Developer, and Mobile App Developer specialists
70+ clients as a Full Stack Developer, SaaS Developer, and MVP Developer team across 7 countries, 30% return for their next product
Our Python Full Stack Developer for SaaS and Full Stack Developer for React engineers build systems where AI Development isn't optional - it's the delivery model. AI API Integration sits in every MVP Development sprint, and every Software Developer and Web Developer ships with SaaS marketing outcomes in mind
As a Full Stack Developer, SaaS Developer, and MVP Developer team: $400K+ on Upwork | 100% Job Success. Our AI Development and Python Full Stack Developer for SaaS approach gives depth, no agency overhead
โ TECH STACK
AI & Integration: AI API Integration: Claude Code, OpenAI, FastAPI, LangChain
Frontend: Full Stack Developer for React: React, TypeScript, Next.js, Vue.js
Backend: Python Full Stack Developer for SaaS: FastAPI, Django, Node.js, GraphQL, PostgreSQL
DevOps: AWS, DigitalOcean, Docker, Kubernetes
Every Full Stack Developer, SaaS Developer, and MVP Developer project includes AI API Integration from day one, plus a Software Developer, Web Developer, React Developer, WordPress Developer bench ready to move fast.
JavaScript
Python
SaaS Development
SaaS
Web Application
React
HTML
Node.js
Web Design
CSS 3
Software Architecture & Design
Software Development
MySQL
Vue.js
jQuery
PHP
HTML5
Laravel
Angular
Bootstrap
Yuliia U.
Zaporizhzhia, Ukraine
$35/hr
4.7
47 jobs
๐ Hi, I'm Julia - your reliable tech partner
โ 9+ years in software development
โ 41+ jobs on UpWork
โ 155+ web and mobile projects delivered
โ 20,500+ Upwork hours in React / Next.js / Node.js / React Native
โ 75% repeat clients - partnerships lasting 6-18+ months
โ 40+ MVPs released, 5-8 weeks from MVP to pilot launch
โ 35+ in-house engineers, matching in 24 hours or less
โ 2-week trial period - you risk nothing
โ Products we support include platforms with 5M+ daily users
My team helps companies hire in-house, CTO-approved engineers who join fast, take ownership, and deliver production-ready software. My goal: save up to 40% of your budget and still get a market-ready, stable, scalable product.
Why teams choose us:
๐น In-house, not freelance-marketplace roulette. Every engineer is personally screened and approved by our CTO before joining your project.
๐น Speed without chaos. Engineer matched within 24h, weekly demos, code review and QA on every delivery.
๐น Ownership. Our engineers don't wait for tickets - they flag risks, suggest architecture improvements, and drive the product forward.
๐ How we work: Discovery & technical planning โ engineer matching within 24h โ 2-week trial โ weekly demos and reports โ CTO-approved delivery with code review and QA โ long-term support after launch.
๐ React / Next.js / Full Stack
We build SaaS platforms, marketplaces, dashboards, admin panels, CRMs, and scalable web apps as react developer, react js developer, nextjs developer, next js developer, web app developer react, full stack developer react node, and full stack developer supabase react. Stack: React, Next.js, Node.js, TypeScript, Supabase, PostgreSQL, Firebase, MongoDB, REST API, GraphQL, Stripe, OAuth, WebSockets, AWS, Vercel, Docker.
MVP development, legacy code takeover, architecture modernization, Core Web Vitals, API integrations, payments, auth, subscriptions, user roles, production launch. A strong fit if you need a react developer, frontend developer react, web developer, full stack developer, mern developer, or backend engineer.
๐ฑ React Native / Mobile
iOS and Android apps as react native developer, react native developer expo, react native app developer, mobile app developer. React Native, Expo, Firebase, Supabase, Node.js, API-driven architecture. App takeover, maintenance, push notifications, App Store / Google Play releases, payments, backend integrations. Mixed environments: flutter developer, android developer.
๐ค AI SaaS / AI Development
25+ AI products and features shipped: AI SaaS, AI MVP, AI chatbot development, AI agent development, RAG chatbot, copilots. Stack: OpenAI API, Claude API, LLMs, RAG, prompt engineering, Generative AI, Python, FastAPI, pgvector, web scraping, automation, AI workflow validation.
๐งฉ Mixed-Stack Support
Core focus: React, Next.js, Node.js, React Native, TypeScript, Supabase, AI. We also support wordpress, vue, angular, python developer, scala developer, and other web/mobile technologies.
๐ Industries
๐ฆ Logistics - 5+ projects: tracking, shipment dashboards, carrier/shipper workflows, maps
๐ฅ HealthTech - 4+ projects: medical booking, clinic platforms, patient flows
๐ Marketplaces & E-commerce - 15+ projects: multi-vendor, Stripe, subscriptions, bidding, complex search
๐ PropTech - 5+ projects: listings, booking flows, agent dashboards, rental platforms
๐ค AI Startups - 25+ products: chatbots, agents, copilots, OpenAI / Claude integrations
๐ฐ FinTech - 3+ projects: Stripe Connect, billing, payment flows, invoicing
๐ฎ Gaming - 5+ projects, incl. 2 major global gaming brands: dashboards, analytics, real-time
๐ EdTech - 5+ projects: student dashboards, progress tracking, content platforms
๐ฃ MarTech - 1 global market-leading project: analytics, segmentation, workflows
โฝ SportsTech - 10+ projects: live data, events, rankings, stats, mobile apps
๐ Building a SaaS, MVP, marketplace, React app, Next.js platform, React Native app, or AI product?
Click "Invite" or "Hire" - I'll help you clear the estimate or discovery phase within 24 hours or less.
CSS
JavaScript
Web Development
React
HTML
Node.js
Bootstrap
Front-End Development
jQuery
MongoDB
TypeScript
Redux
React Native
Next.js
Supabase
Stripe
Full-Stack Development
Software Development
AI Development
Expo.io
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