You will get AI-based PoC for your business
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Project details
IMPORTANT: Every client has unique needs - please reach out via Upwork Chat to discuss your project before placing an order.
Struggling to validate your AI ideas or unsure how to integrate LLMs into your existing workflows? I deliver a high-quality, AI-based PoC designed to demonstrate technical feasibility and business value within weeks.
You’ll receive a functional prototype that utilizes advanced Generative AI and autonomous agents to address your specific business bottlenecks - from automating workflows to building intelligent, RAG-powered data retrieval systems. The deliverables include a validated software pilot and comprehensive roadmap, providing you with a risk-free blueprint to transition from a conceptual idea to a full-scale, production-ready solution.
Once we align on the scope and technical requirements, I can kick off the development phase immediately, transforming your vision into a tangible, AI-driven reality that minimizes risk and accelerates your time-to-market.
Struggling to validate your AI ideas or unsure how to integrate LLMs into your existing workflows? I deliver a high-quality, AI-based PoC designed to demonstrate technical feasibility and business value within weeks.
You’ll receive a functional prototype that utilizes advanced Generative AI and autonomous agents to address your specific business bottlenecks - from automating workflows to building intelligent, RAG-powered data retrieval systems. The deliverables include a validated software pilot and comprehensive roadmap, providing you with a risk-free blueprint to transition from a conceptual idea to a full-scale, production-ready solution.
Once we align on the scope and technical requirements, I can kick off the development phase immediately, transforming your vision into a tangible, AI-driven reality that minimizes risk and accelerates your time-to-market.
AI Algorithms
Large Language Model, Multimodal Large Language ModelAI Applications
AI Chatbot, AI Content Creation, AI Text-to-Image, AI Text-to-Speech, AI-Generated Video, Conversational AI, Image Processing, Image Recognition, Image-to-Image Translation, Natural Language Generation, Object Localization, Text RecognitionAI Development Language
C++AI Tools
Azure OpenAI, Hugging Face, PyTorch, TensorFlowAI Models
ChatGPT, GPT-3, GPT-4, LLaMA, Midjourney AI, OpenAI Codex, Stable DiffusionWhat's included $5,000
These options are included with the project scope.
$5,000
- Delivery Time 7 days
- Number of Revisions 1
- AI Model Integration
- Database Integration
- Model Deployment
- Model Documentation
- Model Testing & Optimization
- Model Tuning
- Natural Language Processing
- Pre-Training
- Setup File
- Source Code
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AZ
Andriy Z.
Mar 31, 2026
30 minute consultation
I had a wonderful experience working with Oleksandr's team during the consultation for an AI voice agent. He was able to answer all of my questions in depth, offering useful insights and recommendations that were specific to my business. Oleksandr's knowledge about AI agents is extensive, to say the least, and it is valuable for anyone who needs advice on AI and LLM integration. It was also great to see solid expertise with platforms such as ElevenLabs, Twilio, and Azure, which are essential in developing effective AI voice agent solutions.
Oleksandr is a good communicator, making complex topics sound simple, and was very collaborative in our work together. I also appreciate his focus on quality and solution-oriented mindset. Will certainly reach out later, when it comes to implementation!
Oleksandr is a good communicator, making complex topics sound simple, and was very collaborative in our work together. I also appreciate his focus on quality and solution-oriented mindset. Will certainly reach out later, when it comes to implementation!
AZ
Andriy Z.
Jan 22, 2026
Looking for full-stack .NET & Angular Tech Lead in Lviv, Ukraine
Outstanding experience working with Oleksandr, Sr. .NET Full Stack Developer. He has strong expertise in C#, .NET Framework, ASP.NET, ASP.NET Core, ASP.NET MVC, and Angular, and played a key role in modernizing our platform. He delivered clean, scalable solutions, provided valuable code reviews, and collaborated seamlessly within our Agile team. Communication was excellent, deadlines were always met, and the quality of work exceeded expectations. Highly recommended for complex, long-term .NET projects.
GR
Gavin R.
Apr 10, 2024
React mobile UI Development
TH
Tim H.
May 27, 2022
RoR developer
Working with Oleksandr has been nothing but an absolute pleasure, he has been a valuable team member and completed the work perfectly.
EV
Enrico V.
Aug 25, 2020
API integration on custom website
About Oleksandr
.NET developer | .NET full stack | React developer | Node.js | AI&LLM
100%
Job Success
Lviv, Ukraine - 6:53 am local time
🔥PROVEN BUSINESS IMPACT
- 7+ Years of engineering and building enterprise-grade applications as a .NET developer in high-stakes environments.
- ROI-Driven Development: $2.5M+ in verified client impact, leveraging my background as a full stack developer to increase revenue and reduce operational overhead through expert software development.
- Performance Engineering: 90% faster data processing and 75% lower infrastructure costs achieved through advanced Microservices and optimization as a senior .NET developer proficient in ASP.NET Core.
- Scalability & Growth: Scaled platforms to 30,000+ active users; consistently cut time-to-market for MVPs by 4–6 weeks by applying the expertise of a seasoned full stack developer.
- Legacy Modernization: Proven track record as a .NET developer migrating legacy systems - including .NET Framework and .NET Compact Framework - to modern architectures, resulting in 40% fewer bugs.
- Efficiency Gains: Reduced admin friction by 45% through custom-built automation, demonstrating the value a dedicated full-stack developer brings to complex SQL-driven workflows.
👨🏻💻THE PARTNERSHIP EXPERIENCE
- Full-Stack Authority: Microsoft-certified expertise spanning the entire development lifecycle, from robust C# backend architecture to dynamic frontend interfaces.
- Versatile Tech Lead: Whether you need a full stack developer for MVP creation, a .NET developer for enterprise scale, or a java developer for backend migration, I bridge the gap between technical requirements and business goals. I also offer the flexibility of a java developer for interoperability, and the analytical power of a python developer for data-heavy tasks.
- Agile & Transparent: High-velocity delivery using JIRA/Asana, providing the clear, consistent communication expected from a senior full-stack developer.
⚙️ ENGINEERING CAPABILITIES
- Backend Architecture: Building high-throughput systems with C#, ASP.NET Core, and ASP.NET Web API. I also offer the flexibility of a java developer to integrate with diverse existing ecosystems.
- Modern Frontend: Crafting dynamic UI/UX using Angular, React, and JavaScript. My deep experience with HTML5, CSS 3, and Bootstrap ensures highly responsive, mobile-first designs.
- Cloud & Infrastructure: End-to-end management of cloud-native ecosystems (Azure/AWS) and containerized deployment pipelines as a lead .NET developer.
- Data & Performance: Advanced database design using Microsoft SQL Server and complex SQL queries to cut data latencies by up to 50%.
- Cross-Functional Skills: I bring the architectural discipline of a .NET developer - including ASP.NET MVC and ASP.NET expertise - to every project, while also offering the modern tooling mindset of a full stack developer using Node.js.
🏆 DOMAIN SPECIALTIES
- FinTech: Secure ledger systems and transaction management built by a specialized .NET developer.
- Healthcare: HIPAA-compliant patient management portals and telehealth solutions.
- LegalTech/Enterprise: Complex document workflows and granular RBAC.
⚒️ TECHNICAL TOOLSET
- The .NET Stack: .NET Framework, .NET Compact Framework, ASP.NET Core, ASP.NET Web API, ASP.NET MVC, ASP.NET, C#.
- Frontend Mastery: Angular, React, JavaScript, HTML5, CSS 3, Bootstrap, jQuery.
- Data Layer: Microsoft SQL Server, SQL, Redis, MongoDB, ElasticSearch.
- General Stack: Node.js, Python, Docker, CI/CD.
- Engineering Standard: Clean Architecture, SOLID Principles, and an uncompromising focus on software development quality.
📩If you’re looking for a reliable and experienced .NET Developer and full stack development partner who understands both technology and business impact, I’d be happy to connect - feel free to invite me for an interview!
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.
Analyze initial requirements