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Senior Full Stack Software Architect with 17+ years of experience building scalable enterprise web and mobile applications and 5+ years delivering AI-first solutions. I design agentic architectures and production-grade LLM pipelines (OpenAI, RAG, LangGraph) that integrate reliably with business systems. I lead end-to-end development across Node.js, Python, and React, with deep expertise in cloud infrastructure, SQL databases, and distributed systems—turning complex requirements into robust products and measurable outcomes.…Senior Full Stack Software Architect with 17+ years of experience building scalable enterprise web and mobile applications and 5+ years delivering AI-first solutions. I design agentic architectures and production-grade LLM pipelines (OpenAI, RAG, LangGraph) that integrate reliably with business systems. I lead end-to-end development across Node.js, Python, and React, with deep expertise in cloud infrastructure, SQL databases, and distributed systems—turning complex requirements into robust products and measurable outcomes.

Vadim Visnevschi

AI Engineer, Full Stack Developer, AI Developer, +3

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Senior Full Stack Software Architect with 17+ years of experience building scalable enterprise web and mobile applications and 5+ years delivering AI-first solutions. I design agentic architectures and production-grade LLM pipelines (OpenAI, RAG, LangGraph) that integrate reliably with business systems. I lead end-to-end development across Node.js, Python, and React, with deep expertise in cloud infrastructure, SQL databases, and distributed systems—turning complex requirements into robust products and measurable outcomes.…Senior Full Stack Software Architect with 17+ years of experience building scalable enterprise web and mobile applications and 5+ years delivering AI-first solutions. I design agentic architectures and production-grade LLM pipelines (OpenAI, RAG, LangGraph) that integrate reliably with business systems. I lead end-to-end development across Node.js, Python, and React, with deep expertise in cloud infrastructure, SQL databases, and distributed systems—turning complex requirements into robust products and measurable outcomes.

Available to hire

Senior Full Stack Software Architect with 17+ years of experience building scalable enterprise web and mobile applications and 5+ years delivering AI-first solutions. I design agentic architectures and production-grade LLM pipelines (OpenAI, RAG, LangGraph) that integrate reliably with business systems.

I lead end-to-end development across Node.js, Python, and React, with deep expertise in cloud infrastructure, SQL databases, and distributed systems—turning complex requirements into robust products and measurable outcomes.

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Work Experience

AI & Generative AI Developer at Bell Canada

June 1, 2021 - June 1, 2026

Designed and developed AI-powered applications using LLMs and OpenAI APIs to automate workflows and improve productivity. Built conversational AI assistants, AI agents, and chatbot solutions for knowledge retrieval, customer support, and internal automation. Implemented prompt engineering and LLM optimization to improve response quality and reliability. Developed RAG solutions combining LLMs with enterprise data sources for intelligent search and document analysis. Integrated AI capabilities with existing .NET applications, REST APIs, SQL databases, and cloud environments. Built supporting Python pipelines for data preprocessing, feature engineering, and model evaluation.

Full Stack Software Developer at Bell Canada

February 1, 2017 - May 1, 2021

Designed and maintained enterprise tools that automated workflows across multiple teams. Integrated distributed systems using SOAP and REST APIs and optimized data pipelines between Oracle, SQL Server, and Excel. Implemented CI/CD pipelines using Git and produced technical diagrams and documentation. Contributed to migration of legacy applications in the ServiceNow ecosystem, partnering with project managers on technology selection and architecture guidance.

Software Developer (Consultant) at Morgan Stanley

September 1, 2016 - January 1, 2017

Contributed to high-availability financial systems, including mobile check deposits and payments. Built utilities for transaction monitoring and oversight and supported after-hours deployments to ensure operational continuity.

Senior Software Developer at Planon Software

January 1, 2014 - September 1, 2016

Migrated legacy applications from PHP to .NET, mentoring junior staff and occasionally serving as Scrum Master. Participated in architecture discussions for ERP solutions spanning a .NET backend and AngularJS front end.