Talent badge filter
Skills filter
Ukraine
Select talent time zones
$35/hr
100%
Job Success
$60K+ earned
Offers consultations
Start of list.
End of list.
👋 Hi! Looking for a Senior .NET Developer or Full Stack Developer who delivers scalable enterprise systems — not just working code?
With 10+ years as a C# .NET Developer, .NET Core Developer, and Full Stack Developer, I design and build production-grade SaaS platforms, CRM systems, legacy migration pipelines, and AI-integrated web applications for FinTech, HealthTech, EdTech, and enterprise clients across North America and Europe.
Whether you need a .NET Full Stack Developer to architect a greenfield SaaS product, a React Developer or Angular Developer to rebuild a frontend, or a Senior .NET Developer to modernize aging .NET Framework systems — I cover the full delivery cycle from architecture to deployment.
🏆 What Sets My .NET Full Stack Work Apart
10+ years as a Senior .NET Developer & Senior Full Stack Developer
15+ enterprise platforms delivered: SaaS, CRM, marketplace, portal, and booking platform builds
.NET Core / ASP.NET Core / C# .NET architecture across microservices, MVC, and event-driven systems
React Developer & Angular Developer — full frontend ownership with TypeScript and JavaScript
AI Developer integrations: OpenAI API, Dify, GPT-based automation, AI Agent Development
Legacy .NET Framework modernization to .NET Core with zero production downtime
HIPAA & GDPR-compliant systems across MedTech, Gov, and FinTech verticals
.NET MAUI & Xamarin cross-platform desktop application and mobile application builds
API Integration specialist: Stripe, PayPal, GraphQL, REST, gRPC, and third-party SaaS APIs
Cloud: Azure Developer & AWS deployments, Docker, Kubernetes, CI/CD pipelines
Full Stack SaaS Developer across subscription, marketplace, and document management platforms
WordPress Developer for custom business portals and CMS-driven web application builds
Node.js & Next.js experience for high-performance API layers and server-side rendering
Python Full Stack work on data-heavy analytics and automation pipelines
JavaScript Full Stack delivery: React, Angular, Vue.js, Node.js — all in one team
🚀 Selected Projects
Norwegian E-Learning Platform (EdTech SaaS)
Built as Tech Lead and .NET Full Stack Developer using Vue.js, ASP.NET Core, Azure, and SQL. The Vignita platform scaled to 2,500 companies and 100,000+ employees, embedded in 10+ university programs nationwide.
Affiliate B2B Platform "Affaim" (MarTech)
Delivered as .NET Developer and Full Stack Developer — multi-tenant architecture, high-load SQL databases, secure partner portals, and Shopify integration. Python Full Stack layer for analytics and data pipelines.
Global Payments System "WorldRemit" (FinTech)
Migrated legacy .NET systems to modern microservices. Payment gateway integrations, global API layer, and real-time transaction management as .NET Core Developer and Full Stack Developer AI.
AI Arbitrage Platform "Sellerbility"
Full Stack Developer AI role — built automation logic, OpenAI integrations, React dashboards, and API-driven analytics modules.
Multi-Platform Telemedicine System (HealthTech)
Mobile App Developer and .NET Developer: .NET Core backend, Blazor, SignalR, Xamarin cross-platform mobile, GDPR-compliant data architecture.
🔧 Core Tech Stack
Backend & .NET: C#, .NET Core, ASP.NET Core, ASP.NET MVC, ASP.NET Web API, .NET Framework, .NET MAUI, Blazor, WPF, Entity Framework, SignalR, OAuth2, LINQ, WCF
Frontend: React, Angular, Vue.js, Next.js, TypeScript, JavaScript, jQuery, Bootstrap, Tailwind CSS, HTML5, CSS3
Databases: SQL Server, MySQL, PostgreSQL, MongoDB, Redis, Azure SQL, Supabase, Elasticsearch
Cloud & DevOps: Azure, AWS, Docker, Kubernetes, Azure App Services, Azure Data Factory, CI/CD, Git
API & Integrations: Stripe, PayPal, GraphQL, REST, gRPC, OpenAI, SendGrid, Google Maps, IronPDF, Crypto Exchange APIs, Zendesk, RevenueCat
Mobile & Cross-Platform: .NET MAUI, Xamarin, Flutter, Supabase, Firebase Auth, Android, iOS
AI & Automation: OpenAI API, Dify AI, AI Agent Development, AI App Development, Machine Learning integration, Python automation
CMS & eCommerce: WordPress Developer, Shopify, WooCommerce, CodeIgniter, Laravel (PHP integration layer)
💡 Results at a Glance
✅ 100,000+ users onboarded via SaaS platforms I architected
✅ Legacy .NET Framework systems modernized to microservices with zero downtime
✅ HIPAA & GDPR compliance delivered across healthcare and government platforms
✅ AI integrations reducing manual processing workload by 60%+
✅ Cross-platform desktop application and mobile application shipped from a single C# codebase
✅ 12+ payment gateway and API Integration implementations across FinTech and eCommerce
✅ Database architecture supporting 100M+ records with sub-200ms query performance
Open to Senior .NET Developer, C# Developer, .NET Core Developer, Full Stack Developer, React Developer, Angular Developer, Full Stack SaaS Developer, AI Developer, JavaScript Developer or Web Development engagements — long-term preferred, fixed-scope welcome.
📆 Last Updated: 06/26
Associated with
NVCoding
$50K+
earned
$35/hr
100%
Job Success
$10K+ earned
Available now
Offers consultations
Start of list.
End of list.
75% avg reduction in manual ops. 3x faster feature shipping. 80% tier-1 support automated. These are the numbers from production AI systems I have shipped as a full stack developer and AI developer for SaaS, manufacturing, fintech, and healthcare teams.
I build production-ready AI infrastructure - not prototypes. Multi-agent systems, LLM integrations, RAG pipelines, and AI automation that replaces real operational work. As a full stack developer and AI developer I own the full build - from LLM selection and agent orchestration to vector databases, API layers, and production deployment.
⭐⭐⭐⭐⭐"Very good communication and follow-up. They resolved not only legacy issues, but also identified and fixed additional problems we had not noticed. The result was a fully functional system that met all our requirements." - Client, Microsoft Copilot Implementation
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
WHAT I BUILD AS A FULL STACK DEVELOPER AND AI DEVELOPER
▸ AI Systems & Multi-Agent Development
▸ Full stack AI infrastructure from LLM selection and agent orchestration to vector databases, API layers, and production deployment. LangChain, LangGraph, RAG pipelines, and agentic AI workflows. ▸ The intelligence core of your product, built by a full stack developer with AI developer depth.
▸ AI Assistant & Chatbot Development
Conversational AI, internal knowledge assistants, RAG-powered document Q&A, and customer-facing chatbots using OpenAI, Claude, or Gemini. AI developer chatbot development integrated directly into your existing stack. Chatbot development that reduces tier-1 ticket volume by 70-80%.
▸ AI Integration & API Connectivity
Full stack developer connecting AI to your existing CRM, ERP, SaaS tools, and databases via REST API, webhooks, LangChain, and workflow platforms including n8n, Zapier, and Make.
▸ AI Automation Agents
Multi-agent autonomous systems that replace manual operational work - lead qualification, procurement pipelines, document processing, outreach, support triage, and reporting. AI automation built by a full stack developer with production deployment experience.
▸ RAG Pipelines & Vector Search
RAG system design, vector database selection and configuration (Pinecone, Weaviate, FAISS), embedding pipelines, semantic search, and document AI. Full stack developer and AI developer work covering the full RAG architecture from chunking to retrieval evaluation.
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
DELIVERY NUMBERS
75% - avg reduction in manual ops
3x - faster feature shipping for product teams
80% - tier-1 support automated via chatbot development
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
CORE TECH STACK
LLM & Models: OpenAI API, GPT-4o, Claude (Anthropic), Gemini, LLM Integration, Fine-tuning, Hugging Face, Whisper API
Frameworks & Orchestration: LangChain, LangGraph, LlamaIndex, RAG, Multi-Agent Systems, Agentic AI, Autonomous AI Agents, Prompt Engineering
Vector & Data: Pinecone, Weaviate, FAISS, Semantic Search, Embeddings, AI Data Pipelines, Document AI
Automation & Integration: n8n, Zapier, Make, REST API, FastAPI, Python, Node.js, AWS/GCP/Azure
Full Stack Developer Stack: Python, TypeScript, React, Node.js, .NET, PostgreSQL, FastAPI
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
INDUSTRIES
Manufacturing | Construction | SaaS | Marketing | Fintech | Healthcare | E-commerce | Real Estate | HR Tech
📩 Send me a description of your current workflow. I will tell you within 24 hours where AI automation can remove the most manual work and what it would take to build it.
Associated with
Althera Code
$10K+
earned
$40/hr
100%
Job Success
$9K+ earned
Available now
Offers consultations
Start of list.
End of list.
GoHighLevel (GHL) Expert | CRM Automation | Make | API Integrations
I help businesses streamline their operations with GoHighLevel, workflow automation, and system integrations.
Most of my work involves setting up and optimizing CRM systems, automating repetitive processes, improving lead management, and connecting business tools so data flows reliably between platforms.
I work with agencies, coaches, service businesses, and education companies that want to reduce manual work, improve customer communication, and build systems that scale.
My core expertise includes:
• GoHighLevel CRM setup, optimization, and troubleshooting
• Workflow automation and business process improvement
• Lead management, tagging, segmentation, and follow-up systems
• Calendar, appointment, and scheduling automation
• CRM audits, cleanup, and account restructuring
• Funnel and landing page implementation
• Contact synchronization across multiple platforms
• API integrations, webhooks, and custom automation solutions
Platforms & Tools:
✅ GoHighLevel (GHL)
✅ Make
✅ Zapier
✅ n8n
✅ Airtable
✅ HubSpot
✅ ActiveCampaign
✅ Google Sheets
✅ ClickFunnels
✅ Wix
✅ Unbounce
✅ Glide
What I can help you with:
• Cleaning up and reorganizing an existing GoHighLevel account
• Building workflows and automations from scratch
• Fixing broken automations and troubleshooting issues
• Creating lead nurturing systems using email and SMS
• Connecting third-party applications through APIs, Make, Zapier, or webhooks
• Setting up pipelines, opportunities, tags, calendars, and notifications
• Creating landing pages, forms, surveys, and funnel assets
• Synchronizing customer data across multiple platforms
• Building internal systems that reduce administrative work
Recent project experience:
✔ Dental Education Business
Implemented landing pages, CRM automation, SMS and email sequences, lead tracking, pipeline management, and operational workflows that significantly reduced manual administration.
✔ Insurance Agency
Built a lead capture and follow-up system with automated email communication, lead qualification, payment collection, and CRM automation.
✔ Real Estate Company
Created automated lead distribution, instant notifications, follow-up workflows, and scheduling processes that improved response times and lead handling efficiency.
My approach is simple:
1. Understand your current process and identify bottlenecks.
2. Build practical solutions that solve the problem instead of adding unnecessary complexity.
3. Deliver documentation and clear explanations so your team can confidently use and maintain the system.
Clients appreciate my attention to detail, reliability, clear communication, and ability to translate business requirements into working automation systems.
If you need help with GoHighLevel, CRM optimization, workflow automation, Make scenarios, API integrations, or account cleanup, feel free to reach out.
$35/hr
100%
Job Success
$100K+ earned
Available now
Start of list.
End of list.
Need a custom LMS, a high-performance mobile app, or a rock-solid SCORM/xAPI integration? As a full stack developer and web developer specializing in EdTech, I bridge the gap between complex eLearning backends and seamless cross-platform app development.
With 9+ years of hands-on experience, I focus exclusively on educational technology and LMS platforms. I don’t just build software; I deliver compliant, scalable ecosystems that combine powerful web architecture with intuitive mobile app experiences for iOS and Android.
Through my partnership with Greenice (Top Rated Plus agency), I offer unique scalability. I can handle solo elite development or bring in a full-cycle engineering team (UI/UX, QA, DevOps) depending on your project size.
⚡ What I Can Build & Fix For You:
• Mobile App Development: Cross-platform iOS & Android deployment using react native or Flutter, featuring advanced offline mode, interactive push notifications, and mobile-first learning UI.
• Web Developer & LMS Portals: Robust backends (Laravel, Node.js) featuring custom course builders, assessments, automated reporting, user roles, and CRM/HR/SSO integrations.
• eLearning Standards Compliance: Flawless implementation and debugging of SCORM 1.2 / 2004, xAPI (Tin Can), LTI, and OAuth2 secure authentication.
• Interactive & Gamified Content: Custom learning players, microlearning modules, and real-time analytics dashboards.
🛠️ Core Tech Stack & Expertise:
• Mobile App Development: react native, flutter developer tools, iOS & Android deployment
• Web Developer & Frontend: React, JavaScript, TypeScript, TailwindCSS, Responsive Web
• Full Stack Developer Backend: Laravel, Node.js, PostgreSQL, MySQL, Redis
• EdTech Protocols: SCORM, xAPI, LTI, REST APIs
Let's turn your educational vision into a scalable product. Message me to discuss your project requirements or to schedule a technical consultation!
Associated with
Greenice
$4M+
earned
$60/hr
100%
Job Success
$100K+ earned
Available now
Offers consultations
Start of list.
End of list.
As a forward-thinking Senior Engineer and Team Leader with over two decades of experience, I work as a full stack developer specializing in Video Streaming and real-time communication solutions based on WebRTC. I combine strong architecture thinking with hands-on delivery, acting both as a technical leader and a practical full stack web developer who understands real product needs and builds scalable WebRTC-powered systems.
Today, my focus as a full stack developer includes the strategic application of advanced AI technologies alongside WebRTC-based real-time communication platforms. I actively work with OpenAI APIs, Whisper for speech recognition, LLaMA2 for open-source large language models, and LangChain for building AI-driven workflows. This positions me as a full stack developer AI who can integrate intelligence directly into real-world WebRTC video and streaming products.
Throughout my career as a full stack developer, I’ve contributed to Telemedicine, Online Education, and Real-time Entertainment by building WebRTC-powered communication platforms. I’ve led teams delivering webinar platforms, live chat systems, and complex real-time applications, acting both as a senior web developer and system architect who ensures scalability, security, and long-term maintainability for WebRTC infrastructures.
In AI-focused projects, I operate as a full stack developer who bridges data, logic, and user experience inside WebRTC-enabled applications. My team and I integrate conversational AI, speech-to-text, and knowledge-driven systems using OpenAI, Whisper, and LLaMA2. With LangChain, we design intelligent pipelines that automate workflows and data processing, enhancing WebRTC communication platforms with AI-driven capabilities.
WebRTC remains a core part of my work as a full stack developer, especially for building high-performance real-time systems. We design everything from low-latency WebRTC infrastructure to complete applications, delivering solutions that work seamlessly across web and mobile. This includes building scalable video streaming app architectures capable of handling thousands of concurrent users through WebRTC.
As a full stack developer, I also provide consulting and development services across North America and Europe, helping companies design and build WebRTC-based video communication platforms. I work with companies in Entertainment, E-Learning, Healthcare, and Finance. Depending on project needs, I act as a React developer, Wordpress developer, or mobile app developer while implementing scalable WebRTC solutions.
Our services as a full stack developer team include system architecture, UI/UX design, and custom development of WebRTC streaming and real-time communication platforms. We build modern interfaces, robust back-ends, and real-time systems, including secure WebRTC video stream delivery for live and on-demand use cases.
We have worked with most of the major Webinar and Online Education platforms on the market, delivering solutions as a full stack developer team that understands both the business and technical sides of WebRTC video streaming products. We frequently modernize existing platforms and migrate legacy systems to scalable cloud-based architectures built around WebRTC technologies.
As a full stack developer, I’ve led the creation of webinar systems, live chat apps, WebRTC video conferencing platforms, real-time video auctions, messengers, e-learning platforms, telemedicine solutions, dating apps, Twitch-like platforms, TikTok-style apps, VoD systems, and live shopping platforms. Many of these solutions rely on modern stacks including full stack developer React and full stack Lavarel approaches integrated with WebRTC.
Beyond development, I support clients as a full stack developer with load testing and performance optimization for large-scale WebRTC streaming systems. My background across front-end, back-end, databases, and cloud platforms allows me to lead projects end-to-end and deliver reliable, production-ready WebRTC platforms.
I invite you to collaborate with me as a full stack developer who understands AI, WebRTC, and scalable real-time product development. Together, we can build innovative WebRTC-powered solutions that align with your business goals and grow with your users.
Stanislav Z.
has worked
.
Associated with
Trembit
$6K+
earned
$25/hr
100%
Job Success
$4K+ earned
Available now
Offers consultations
Start of list.
End of list.
⚪️ Built AI systems used by startups handling thousands of daily operations
⚪️ AI Developer | Python Developer AI | Web Scraping Python
⚪️ OpenAI, Python, FastAPI, RAG, LLM, Web Scrapping
⚪️ AI agents, automation systems, and scalable backend architecture for real business workflows
I build AI powered products, automation platforms, and intelligent backend systems for startups and SaaS companies. As an AI developer, python developer, web developer, and automation engineer, I work on production systems that automate workflows, process large amounts of data, and integrate AI into real business operations.
My experience includes ai development, chatbot development, machine learning systems, GPT integrations, web scraping platforms, and scalable backend architecture. I combine backend engineering, machine learning, and product focused thinking to create systems that solve real operational problems.
Python AI Agent Development
✔️ Autonomous AI agents with reasoning and tool calling
✔️ Chatbot developer for SaaS and internal workflows
✔️ Multi agent orchestration and task automation
✔️ GPT 3, OpenAI, and open ai api integrations
✔️ AI lead generation and workflow automation systems
✔️ AI assistants connected to real business tools
AI Developer RAG & Knowledge Systems
✔️ RAG pipelines with embeddings and vector databases
✔️ Enterprise knowledge assistants and analytics tools
✔️ AI chat over documents and internal data
✔️ Structured retrieval and intelligent search systems
✔️ Data extraction and processing automation
Machine Learning & AI Features
✔️ Machine learning pipelines and prediction systems
✔️ Machine learning developer for AI driven products
✔️ NLP, deep learning, and intelligent automation
✔️ Computer vision and image recognition workflows
✔️ AI video processing and content automation
✔️ Data scientist and data analyst pipelines
Automation & Integrations
✔️ API development and backend integrations
✔️ CRM synchronization and automation systems
✔️ WhatsApp API and Discord bot developer solutions
✔️ Job application automation systems
✔️ Social AI Developer media marketing automation tools
✔️ Selenium automation and browser workflows
✔️ Lead generation web scraper systems
✔️ Python web scraping and data mining pipelines
✔️ Data entry and workflow automation bots
Backend & Web Development
✔️ AI Developer Python developer backend with FastAPI and Django
✔️ Backend developer for scalable AI systems
✔️ Full stack developer for SaaS products and dashboards
✔️ React developer and modern frontend integrations
✔️ PostgreSQL, Redis, async APIs, and background workers
✔️ Web design focused product architecture
✔️ Figma to production implementation workflows
◾️ Focused on ai development, machine learning, chatbot development, web scraping, backend engineering, AI automation, and scalable SaaS infrastructure.
As a AI Developer Python and machine learning developer, I focus on backend architecture, AI automation, and data-driven systems. I’ve worked as data scientist and data analyst on projects involving computer vision, fractional cto, natural language processing, ai rag pipelines
I focus on ai python developer backend systems, chatbot development, AI automation, and data-driven platforms. I don’t take projects focused only on wordpress developer work, PHP stacks, or marketing tasks, Swift and Flutter integrations for mobile products, php laravel, pinterest marketing,
journalist,product manager, etsy marketing, deal closer, Laravel, PHP Laravel
Have an AI project, chatbot idea, or machine learning system to build?
Send an invite with a short description, and I’ll suggest the best approach.
Dmytro K.
has worked
.
Associated with
Viso
$100K+
earned
$45/hr
100%
Job Success
$50K+ earned
Available now
Offers consultations
Start of list.
End of list.
Full-stack by foundation, AI by conviction. I was building machine learning systems back when it required more math than marketing - 17+ years in software development, 5+ years as a hands-on AI engineer and AI developer. 🇺🇦
I'm a CTO-level AI engineer, machine learning architect, and software architect with a perfectionist's attention to detail. My team of AI engineers, AI developers, data scientists, and web developers delivers full-cycle AI App Development and Web Development - from early MVPs to enterprise platforms.
Need an AI chatbot developer, an AI integration specialist, a Python developer for ML pipelines, or a data scientist with real machine learning depth? We've done it - properly.
𝗪𝗵𝗮𝘁 𝘄𝗲 𝗯𝘂𝗶𝗹𝗱 𝗮𝘀 𝗔𝗜 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀:
✅ AI App Development - LLM-powered apps, RAG pipelines, AI bot and AI chatbot solutions
✅ AI Agent Development - autonomous agents and agentic workflows (LangChain, CrewAI)
✅ AI Integration - AI model integration and API integration into your existing systems
✅ AI Chatbot Developer services - intelligent bots, NLP systems, multilingual AI chatbot products
✅ Automation & n8n - n8n workflow orchestration, data scraping, pipeline automation with n8n
✅ Computer Vision - OpenCV, CNN architectures, image recognition and processing systems
✅ Machine Learning & Data Science - model design, training, optimization, production deployment
✅ Web & Back-End Development - React, Node.js, Python, PHP, Java; RESTful & GraphQL API integration
✅ MVP / PoC - custom, low-code, no-code; discovery, UI/UX, QA, project management
𝗪𝗵𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝗰𝗵𝗼𝗼𝘀𝗲 𝘂𝘀:
As AI developers and AI engineers, we don't just integrate tools - we architect solutions. Whether it's a custom AI chatbot developer engagement, a complex AI integration project, or a full AI App Development cycle, our AI engineer team brings senior-level ownership to every project. Every AI app developer on our team treats your product like their own. From AI integration strategy to deployment - we own it end to end.
🧬 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲:
- Machine learning, deep learning (PyTorch, TensorFlow), Python machine learning systems
- Natural Language Processing, computer vision (OpenCV, CNN), RAG pipelines
- AI Agent Development, AI App Development, and AI chatbot development for production
- Data scientist and data analyst workflows; quant machine learning for FinTech
- AI Integration and API integration - robust RESTful / GraphQL API development
- n8n automation, cloud infrastructure (AWS, Docker, Kubernetes)
Our team includes senior AI engineers and specialists with machine learning PhD backgrounds.
𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸: Python · PyTorch · TensorFlow · Scikit-Learn · LangChain · OpenCV · React · Vue · Angular · Node.js · Java · PHP (Laravel) · ASP.NET · PostgreSQL · MongoDB · ElasticSearch · AWS · Docker · Kubernetes · n8n
𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀: FinTech & quant ML · e-Learning · Fantasy sports & gaming · e-Commerce · Media & Entertainment · EcoTech · PropTech · Cybersecurity
𝗧𝗵𝗶𝘀 𝗽𝗿𝗼𝗳𝗶𝗹𝗲 𝗳𝗶𝘁𝘀 𝗶𝗳 𝘆𝗼𝘂'𝗿𝗲 𝗹𝗼𝗼𝗸𝗶𝗻𝗴 𝗳𝗼𝗿:
AI engineer · AI developer · AI chatbot developer · AI integration specialist · API integration specialist · machine learning engineer · data scientist · computer vision engineer · Python developer · web developer · AI agent developer · n8n automation expert · LangChain developer · AI bot developer · OpenAI developer · prompt engineer · agentic AI developer · AI Automation · AI Prompt Engineer · AI Model · ML · LLM · machine learning trading · machine learning time series · airtable integration · ai api integration
👉 Check the portfolio and selected projects below.
Associated with
Uinno
$100K+
earned
$50/hr
48%
Job Success
$7K+ earned
Available now
Start of list.
End of list.
With over five years of experience in a prominent financial fund, I've honed my expertise in several critical areas of financial development and stock market services:
- Algo-trading: I design and implement efficient and robust trading algorithms, catering to various financial instruments.
- Stock Alerts: Leveraging my proprietary tool that scans over 10,000 stocks, I generate accurate and timely trading signals and alerts.
- Stock Analysis: I provide detailed and insightful stock analyses, based on extensive data processing and advanced market data subscriptions.
- Trading Strategies: I devise effective trading strategies, which I meticulously backtest and optimize for increased profitability and risk management.
My comprehensive understanding of the stock market dynamics, coupled with practical skills and hands-on experience, positions me as a trusted choice for your financial development project needs on Upwork. My commitment is to integrate my knowledge, skills, and experience to deliver exceptional and tailored services for every project.
I am also a full-stack Python developer for over 4 years. I strive to translate ideas into functionality that is useful and works great. I have solid experience in automation, working with API keys and access, as well as in developing trading bots of various complexity, processes and platforms.
In our time, when artificial intelligence technologies are rapidly developing, I have mastered the creative space for myself, in the development and creation of creative commercial images and video animations, of any complexity and high quality. Writing prompts for this, and fulfilling creative orders inspire me.
Andrii L.
has worked
.
$40/hr
100%
Job Success
$100K+ earned
Available now
Offers consultations
Start of list.
End of list.
I build AI agents, automations, and custom apps that run business operations. 10+ years in development. You get production-ready work, full ownership from scope to launch, and someone who doesn't drop the project halfway.
Services;
- AI agents that do the work people don't have time for handling inquiries, qualifying leads, booking meetings, moving data between tools, and keeping your operations running without manual input.
- Automations that replace manual operations. Lead pipelines that scrape, enrich with AI, deduplicate, sync to CRM and outreach tools. Document processing workflows that turn intake forms into structured records.
- Custom AI apps and SaaS. Production web apps with LLM logic, Stripe billing, dashboards, and admin panels.
Send me a short description of your project. I'll get back to you with my thoughts and next steps.
Keywords: AI Agent Developer, AI Automation, Chatbot Developer, Customer Support Bot, Lead Qualification Bot, AI SaaS Developer, AI SaaS MVP, Custom AI Application, LLM Integration, OpenAI API, Claude API, Anthropic, GPT, RAG, Retrieval Augmented Generation, Vector Database, Pinecone, Qdrant, pgvector, LangChain, LangGraph, n8n, Workflow Automation, Process Automation, Document Automation, Document Processing, OCR, Data Extraction, CRM Integration, API Integration, Webhook, Twilio, VAPI, Bland AI, Retell, ElevenLabs, React, Next.js, Node.js, Python, FastAPI, TypeScript, Supabase, PostgreSQL, Stripe, SaaS
Dmytro B.
has worked
.
Associated with
Codeclad
$40K+
earned
$30/hr
100%
Job Success
$100K+ earned
Available now
Offers consultations
Start of list.
End of list.
🚀 𝐀𝐧𝐲𝐨𝐧𝐞 𝐜𝐚𝐧 𝐛𝐮𝐢𝐥𝐝 𝐚𝐧 𝐌𝐕𝐏. 𝐁𝐮𝐭 𝐧𝐨𝐭 𝐞𝐯𝐞𝐫𝐲𝐨𝐧𝐞 𝐜𝐚𝐧 𝐭𝐮𝐫𝐧 𝐢𝐭 𝐢𝐧𝐭𝐨 𝐚 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐒𝐚𝐚𝐒 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬.
🔥 85+ completed projects (40+ SaaS & MVP platforms)
💰 Startup MVP generated $500K+ revenue in its first 6 months
👥 SaaS products supporting 10K–50K active users
📈 One platform grew from 2K to 7K users through continuous product improvements
⚡ Backend systems processing 300K–500K API requests every month
🚀 Startup MVPs delivered in 2–4 weeks
📊 5+ years building SaaS platforms & Startup MVPs
📦 100+ API integrations completed across production systems
⚙️ 20+ backend architectures designed from scratch
🧠 AI integrations across 30+ commercial projects
I help founders build SaaS platforms, Startup MVPs, AI-powered applications, Internal Business Systems, Customer Portals, Marketplace Platforms, and scalable Web Applications using React, Next.js, Node.js, Supabase, PostgreSQL, Stripe, Redis, and modern AI APIs.
As a SaaS Developer, MVP Developer, Full Stack Developer, Software Developer, and Web Developer, I've delivered 85+ production projects, including 40+ SaaS & MVP platforms, helping startups validate ideas faster, launch products in 2–4 weeks, and scale applications supporting 10K–50K active users.
Many companies hire me as a SaaS Developer, MVP Developer, Full Stack Developer, Startup Developer, and AI SaaS Developer because I don't just build software—I build products designed to scale. Systems I've developed process 300K–500K API requests monthly, integrate 100+ third-party APIs, and continue growing years after their initial MVP launch.
Unlike many Software Developers, I focus on the entire product lifecycle—from idea validation and MVP planning to production infrastructure, subscription systems, customer portals, internal business tools, and long-term SaaS scalability.
🏆 Why Founders Hire Me as a SaaS Developer
5+ years working as a SaaS Developer, MVP Developer, and Full Stack Developer
85+ completed projects, including 40+ SaaS & MVP platforms
Startup MVP delivered in 2–4 weeks without sacrificing scalability
Products supporting 10K–50K active users after launch
One Startup MVP generated $500K+ revenue during its first 6 months
One SaaS platform grew from 2K to 7K users through continuous feature releases
Backend systems processing 300K–500K API requests every month
100+ API integrations, including Stripe, Supabase, OpenAI, logistics providers, CRMs, authentication services, and payment gateways
Redis optimization reducing database load by 70%+ on high-traffic SaaS platforms
React performance optimization improving Lighthouse scores to 90+ and reducing frontend bundle sizes by 40%+
Experience building subscription platforms, customer portals, internal business systems, marketplace platforms, admin dashboards, and multi-tenant SaaS applications
Production-ready architecture designed to support years of product growth instead of temporary MVP prototypes
🚀 Startup Growth
As a SaaS Developer, MVP Developer, Startup Developer, and Full Stack Developer, I help founders move from idea to production-ready software in 2–4 weeks. Over the last 5+ years, I've worked with 40+ SaaS & MVP products, helping startups validate ideas faster, launch earlier, and build scalable software capable of supporting 10K–50K users without rebuilding the entire platform.
🚀 Production-Ready Software
As a Software Developer, Web Developer, and SaaS Developer, I don't build throwaway prototypes. I build production-ready SaaS applications with scalable architecture, authentication, subscription systems, customer portals, analytics dashboards, and internal business systems. Several platforms I've built now process 300K–500K API requests every month, while continuously shipping new features years after their initial MVP launch.
🚀 API & Integration Experience
As a Full Stack Developer, SaaS Developer, and Backend Developer, I've completed 100+ API integrations across payment systems, logistics providers, AI platforms, authentication services, CRMs, analytics platforms, and third-party business software. My experience includes Stripe, Supabase, OpenAI, REST APIs, WebSockets, PostgreSQL, Redis, and scalable backend services powering modern SaaS products.
🚀 Performance & Scalability
As a SaaS Developer and Software Developer, performance is always part of the architecture. Across multiple production applications, I've reduced database load by 70%+, improved Lighthouse scores to 90+, optimized React applications by reducing bundle sizes by 40%+, and built backend services capable of supporting hundreds of thousands of monthly requests while maintaining long-term scalability.
🚀 Industries
As a SaaS Developer, MVP Developer, and Full Stack Developer, I've built products across logistics, healthcare, AI, marketplaces, finance, internal business systems, customer portals, e-commerce, CRM platforms, and startup SaaS applications
Mykola P.
has worked
.