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Senior Full-Stack Developer and Agentic AI Developer with 20+ years building enterprise-grade applications on .NET, Node.js, Python, and Java. I architect and deliver cloud-native web systems across Azure and AWS, with deep expertise in SQL Server/Oracle and modern Web API development. Recently, my focus is Agentic AI and production AI platforms—RAG, vector search, knowledge-graph reasoning, and agent frameworks like LangGraph, LangChain, LlamaIndex, Semantic Kernel, AutoGen, and n8n. I lead full SDLC from requirements and architecture through implementation, testing, deployment, and optimization.…Senior Full-Stack Developer and Agentic AI Developer with 20+ years building enterprise-grade applications on .NET, Node.js, Python, and Java. I architect and deliver cloud-native web systems across Azure and AWS, with deep expertise in SQL Server/Oracle and modern Web API development. Recently, my focus is Agentic AI and production AI platforms—RAG, vector search, knowledge-graph reasoning, and agent frameworks like LangGraph, LangChain, LlamaIndex, Semantic Kernel, AutoGen, and n8n. I lead full SDLC from requirements and architecture through implementation, testing, deployment, and optimization.

Slava Polyakov

Full Stack Developer, AI Developer, Software Engineer, +2

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Senior Full-Stack Developer and Agentic AI Developer with 20+ years building enterprise-grade applications on .NET, Node.js, Python, and Java. I architect and deliver cloud-native web systems across Azure and AWS, with deep expertise in SQL Server/Oracle and modern Web API development. Recently, my focus is Agentic AI and production AI platforms—RAG, vector search, knowledge-graph reasoning, and agent frameworks like LangGraph, LangChain, LlamaIndex, Semantic Kernel, AutoGen, and n8n. I lead full SDLC from requirements and architecture through implementation, testing, deployment, and optimization.…Senior Full-Stack Developer and Agentic AI Developer with 20+ years building enterprise-grade applications on .NET, Node.js, Python, and Java. I architect and deliver cloud-native web systems across Azure and AWS, with deep expertise in SQL Server/Oracle and modern Web API development. Recently, my focus is Agentic AI and production AI platforms—RAG, vector search, knowledge-graph reasoning, and agent frameworks like LangGraph, LangChain, LlamaIndex, Semantic Kernel, AutoGen, and n8n. I lead full SDLC from requirements and architecture through implementation, testing, deployment, and optimization.

Available to hire

Senior Full-Stack Developer and Agentic AI Developer with 20+ years building enterprise-grade applications on .NET, Node.js, Python, and Java. I architect and deliver cloud-native web systems across Azure and AWS, with deep expertise in SQL Server/Oracle and modern Web API development.

Recently, my focus is Agentic AI and production AI platforms—RAG, vector search, knowledge-graph reasoning, and agent frameworks like LangGraph, LangChain, LlamaIndex, Semantic Kernel, AutoGen, and n8n. I lead full SDLC from requirements and architecture through implementation, testing, deployment, and optimization.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Russian

Advanced

Work Experience

Agentic AI Developer / Full Stack Developer at PILab — Saint Joseph's University

January 1, 2024 - Present

Designing and building agentic AI solutions and full-stack applications for research and education initiatives. Developed Agentic AI applications in Python using Vertex AI RAG + Graph, combining retrieval-augmented generation with knowledge-graph reasoning for domain-specific research assistants. Built multi-agent workflows and tool/function-calling pipelines using LangGraph, LangChain, LlamaIndex, Semantic Kernel, n8n, and AutoGen to automate research, data extraction, and analytics tasks. Implemented built-in vector search and embeddings-based retrieval over institutional knowledge bases for context-aware Q&A and document intelligence. Architected and deployed full-stack web applications on Google Cloud / Vertex AI with secure authentication, CI/CD, and observability.

Full-Stack Developer at Parsage, Inc.

January 1, 2014 - January 1, 2024

Full-stack development and software architecture delivering enterprise web and cloud applications for a range of clients. Built SEO-optimized public-facing sites and custom e-commerce platforms using Angular/AngularJS, React, Backbone/Marionette, Knockout, Kendo UI, Bootstrap, and Node.js. Delivered back-end services with .NET Core, ASP.NET, ASP.NET MVC, Web API, C#, VB.NET, Python, Java, Node.js, and PHP. Architected and deployed cloud-native applications on Microsoft Azure (App Service, Azure SQL, Azure Functions, Blob Storage, Azure Web Apps) and AWS (EC2, S3, Lambda, RDS). Designed and optimized databases in SQL Server, Oracle, MySQL, and MongoDB; implemented RESTful APIs and microservices with performance and SEO focus.

Software Engineer at 3H Technology, LLC

January 1, 2001 - January 1, 2014

Designed and developed large-scale web applications and custom CMS platforms for federal and commercial clients. Developed applications using Kendo UI, jQuery, Bootstrap, ASP.NET and ASP.NET MVC, and Microsoft Azure. Implemented Web API integrations using REST, SOAP, and HTTP protocols. Built CMS solutions on SharePoint Server and DotNetNuke, and supported troubleshooting and customization for SharePoint 2007/2010. Developed Silverlight and Windows Forms applications and n-tier client/server solutions, including a web application for Reimbursable Work Authorization (RWA) tracking and a Customer Profile web application for GSA marketing. Performed physical database design, tuning, and optimization across SQL Server, Oracle, and Sybase.

System Analyst at InforMax, Inc.

January 1, 1998 - January 1, 2001

Bioinformatics system integration for pharmaceutical and biotechnology companies. Designed and developed GenoMax (>500 GB distributed Oracle 8i enterprise client-server and Java framework application). Performed Oracle 8i database design, administration, and performance tuning. Developed a search engine using Oracle interMedia extensions and Oracle JDeveloper. Modeled the object-relational structure with Rational Rose UML and generated database artifacts (procedures, triggers, object types/views). Implemented CORBA-based interfaces for external integration; built UNIX shell scripts and web server configurations. Delivered tools and algorithms for multiple bioinformatics domains including genome/protein interaction/sequence analysis and database search workflows.

Chief Programmer / Team Leader at GIS Research Centre, Institute of Geography, Russian Academy of Sciences

January 1, 1992 - January 1, 1998

Led GIS application development in C++ and Delphi, including the GeoDraw system deployed across 1,500+ workstations in multiple countries. Designed spatial databases using SQL Server and Oracle (IDAPI) and integrated software with HTTP/FTP and GPS systems. Developed an Energy Management System (EMS) application with Delphi 2.0 and Oracle integration. Performed custom programming for MS Access, Excel, SPSS, Paradox, Visual Basic, MapBasic, and Avenue. Managed team development, modular programming aligned with specific APIs, and configuration of large-scale client/server platforms. GIS stack included MapInfo/ArcGIS components and Oracle spatial integration tools.