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Vladislav G.

@vladislavg00000

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Full Stack Web & Mobile Developer | AI/SaaS Pro

$40 USD / Hour

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Flag of

United Kingdom (5:54 PM)

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Joined on January 25, 2026

$40 USD / Hour

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I'm a full stack developer with 9+ years of experience building scalable web and mobile apps across AI, SaaS, and fintech domains. I specialize in React, Next.js, Node.js, Python, and Flutter—delivering high‑performance solutions from concept to deployment. My projects include AI chat systems, onboarding assistants, content automation tools, and financial tracking platforms—each focused on efficiency, automation, and user impact. I combine clean architecture, secure APIs, and excellent UI/UX to ship products clients love. If you need a developer who can handle full‑stack AI integration, API workflows, and modern interfaces, let's build something innovative together.

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Portfolio

Portfolio

13878972
Developed an AI tool for analyzing research PDFs and papers—extracting key insights, citations, and summaries. Integrated semantic search using embeddings to help analysts quickly navigate large datasets. Increased research speed and accuracy for 300+ users by automating literature review tasks.

AI Document Research Assistant

Developed an AI tool for analyzing research PDFs and papers—extracting key insights, citations, and summaries. Integrated semantic search using embeddings to help analysts quickly navigate large datasets. Increased research speed and accuracy for 300+ users by automating literature review tasks.

AI Document Research Assistant

Developed an AI tool for analyzing research PDFs and papers—extracting key insights, citations, and summaries. Integrated semantic search using embeddings to help analysts quickly navigate large datasets. Increased research speed and accuracy for 300+ users by automating literature review tasks.

AI Document Research Assistant

13878967
Built an AI onboarding assistant that guides new software users through setup and training using chat and voice. Integrated Retrieval-Augmented Generation (RAG) for dynamic knowledge retrieval and dashboards for tracking progress. Improved enterprise onboarding efficiency by 50% with personalized, conversational support.

AI SaaS Onboarding Agent

Built an AI onboarding assistant that guides new software users through setup and training using chat and voice. Integrated Retrieval-Augmented Generation (RAG) for dynamic knowledge retrieval and dashboards for tracking progress. Improved enterprise onboarding efficiency by 50% with personalized, conversational support.

AI SaaS Onboarding Agent

Built an AI onboarding assistant that guides new software users through setup and training using chat and voice. Integrated Retrieval-Augmented Generation (RAG) for dynamic knowledge retrieval and dashboards for tracking progress. Improved enterprise onboarding efficiency by 50% with personalized, conversational support.

AI SaaS Onboarding Agent

13878959
Created a smart finance app for scanning receipts, generating invoices, and categorizing expenses using AI and OCR. Combined machine learning and LLM analysis for real-time expense insights and reporting. Reduced manual bookkeeping by 70% for 200+ small business users with automated financial summaries.

AI Invoice & Expense Tracker

Created a smart finance app for scanning receipts, generating invoices, and categorizing expenses using AI and OCR. Combined machine learning and LLM analysis for real-time expense insights and reporting. Reduced manual bookkeeping by 70% for 200+ small business users with automated financial summaries.

AI Invoice & Expense Tracker

Created a smart finance app for scanning receipts, generating invoices, and categorizing expenses using AI and OCR. Combined machine learning and LLM analysis for real-time expense insights and reporting. Reduced manual bookkeeping by 70% for 200+ small business users with automated financial summaries.

AI Invoice & Expense Tracker

Created a smart finance app for scanning receipts, generating invoices, and categorizing expenses using AI and OCR. Combined machine learning and LLM analysis for real-time expense insights and reporting. Reduced manual bookkeeping by 70% for 200+ small business users with automated financial summaries.

AI Invoice & Expense Tracker

13878951
Developed a powerful AI web app that connects multiple language models (GPT, Claude, Gemini) for advanced conversations, workflow automation, and real-time tool calling. Features include memory/context through vector databases and live agent orchestration for complex query handling. Enhanced team efficiency with 85% task completion across 1,000+ real user sessions.

Fusion Chat AI - Multi-Agent Web App

Developed a powerful AI web app that connects multiple language models (GPT, Claude, Gemini) for advanced conversations, workflow automation, and real-time tool calling. Features include memory/context through vector databases and live agent orchestration for complex query handling. Enhanced team efficiency with 85% task completion across 1,000+ real user sessions.

Fusion Chat AI - Multi-Agent Web App

Developed a powerful AI web app that connects multiple language models (GPT, Claude, Gemini) for advanced conversations, workflow automation, and real-time tool calling. Features include memory/context through vector databases and live agent orchestration for complex query handling. Enhanced team efficiency with 85% task completion across 1,000+ real user sessions.

Fusion Chat AI - Multi-Agent Web App

Developed a powerful AI web app that connects multiple language models (GPT, Claude, Gemini) for advanced conversations, workflow automation, and real-time tool calling. Features include memory/context through vector databases and live agent orchestration for complex query handling. Enhanced team efficiency with 85% task completion across 1,000+ real user sessions.

Fusion Chat AI - Multi-Agent Web App

13865810
Worked on a robust invoicing and billing SaaS platform used by businesses worldwide to manage payments, clients, and financial workflows. ساهمت في تطوير features مثل invoice automation, payment gateway integration, and reporting dashboards. Ensured secure and scalable architecture to support thousands of users. Focused on improving performance, usability, and financial accuracy, enabling businesses to streamline their operations. This project stands out due to its real-world financial impact and integration with multiple payment systems and APIs.

SaaS Invoicing & Payment Platform

Worked on a robust invoicing and billing SaaS platform used by businesses worldwide to manage payments, clients, and financial workflows. ساهمت في تطوير features مثل invoice automation, payment gateway integration, and reporting dashboards. Ensured secure and scalable architecture to support thousands of users. Focused on improving performance, usability, and financial accuracy, enabling businesses to streamline their operations. This project stands out due to its real-world financial impact and integration with multiple payment systems and APIs.

SaaS Invoicing & Payment Platform

Worked on a robust invoicing and billing SaaS platform used by businesses worldwide to manage payments, clients, and financial workflows. ساهمت في تطوير features مثل invoice automation, payment gateway integration, and reporting dashboards. Ensured secure and scalable architecture to support thousands of users. Focused on improving performance, usability, and financial accuracy, enabling businesses to streamline their operations. This project stands out due to its real-world financial impact and integration with multiple payment systems and APIs.

SaaS Invoicing & Payment Platform

13865805
Developed and contributed to a modern AI-powered productivity workspace designed as an open-source alternative to Notion. Focused on building scalable, cross-platform features for web and desktop environments. Key contributions included improving real-time collaboration, enhancing UI/UX performance, and integrating AI-driven workflows for content generation and task automation. The platform emphasizes data privacy, extensibility, and high performance, making it suitable for individuals and teams managing complex workflows. What makes this project special is its combination of AI capabilities with a privacy-first architecture, delivering a powerful yet flexible productivity tool.

AppFlowy (AI-powered workspace)

Developed and contributed to a modern AI-powered productivity workspace designed as an open-source alternative to Notion. Focused on building scalable, cross-platform features for web and desktop environments. Key contributions included improving real-time collaboration, enhancing UI/UX performance, and integrating AI-driven workflows for content generation and task automation. The platform emphasizes data privacy, extensibility, and high performance, making it suitable for individuals and teams managing complex workflows. What makes this project special is its combination of AI capabilities with a privacy-first architecture, delivering a powerful yet flexible productivity tool.

AppFlowy (AI-powered workspace)

Developed and contributed to a modern AI-powered productivity workspace designed as an open-source alternative to Notion. Focused on building scalable, cross-platform features for web and desktop environments. Key contributions included improving real-time collaboration, enhancing UI/UX performance, and integrating AI-driven workflows for content generation and task automation. The platform emphasizes data privacy, extensibility, and high performance, making it suitable for individuals and teams managing complex workflows. What makes this project special is its combination of AI capabilities with a privacy-first architecture, delivering a powerful yet flexible productivity tool.

AppFlowy (AI-powered workspace)

13878972
Developed an AI tool for analyzing research PDFs and papers—extracting key insights, citations, and summaries. Integrated semantic search using embeddings to help analysts quickly navigate large datasets. Increased research speed and accuracy for 300+ users by automating literature review tasks.

AI Document Research Assistant

Developed an AI tool for analyzing research PDFs and papers—extracting key insights, citations, and summaries. Integrated semantic search using embeddings to help analysts quickly navigate large datasets. Increased research speed and accuracy for 300+ users by automating literature review tasks.

AI Document Research Assistant

Developed an AI tool for analyzing research PDFs and papers—extracting key insights, citations, and summaries. Integrated semantic search using embeddings to help analysts quickly navigate large datasets. Increased research speed and accuracy for 300+ users by automating literature review tasks.

AI Document Research Assistant

13878967
Built an AI onboarding assistant that guides new software users through setup and training using chat and voice. Integrated Retrieval-Augmented Generation (RAG) for dynamic knowledge retrieval and dashboards for tracking progress. Improved enterprise onboarding efficiency by 50% with personalized, conversational support.

AI SaaS Onboarding Agent

Built an AI onboarding assistant that guides new software users through setup and training using chat and voice. Integrated Retrieval-Augmented Generation (RAG) for dynamic knowledge retrieval and dashboards for tracking progress. Improved enterprise onboarding efficiency by 50% with personalized, conversational support.

AI SaaS Onboarding Agent

Built an AI onboarding assistant that guides new software users through setup and training using chat and voice. Integrated Retrieval-Augmented Generation (RAG) for dynamic knowledge retrieval and dashboards for tracking progress. Improved enterprise onboarding efficiency by 50% with personalized, conversational support.

AI SaaS Onboarding Agent

13878959
Created a smart finance app for scanning receipts, generating invoices, and categorizing expenses using AI and OCR. Combined machine learning and LLM analysis for real-time expense insights and reporting. Reduced manual bookkeeping by 70% for 200+ small business users with automated financial summaries.

AI Invoice & Expense Tracker

Created a smart finance app for scanning receipts, generating invoices, and categorizing expenses using AI and OCR. Combined machine learning and LLM analysis for real-time expense insights and reporting. Reduced manual bookkeeping by 70% for 200+ small business users with automated financial summaries.

AI Invoice & Expense Tracker

Created a smart finance app for scanning receipts, generating invoices, and categorizing expenses using AI and OCR. Combined machine learning and LLM analysis for real-time expense insights and reporting. Reduced manual bookkeeping by 70% for 200+ small business users with automated financial summaries.

AI Invoice & Expense Tracker

Created a smart finance app for scanning receipts, generating invoices, and categorizing expenses using AI and OCR. Combined machine learning and LLM analysis for real-time expense insights and reporting. Reduced manual bookkeeping by 70% for 200+ small business users with automated financial summaries.

AI Invoice & Expense Tracker

13878951
Developed a powerful AI web app that connects multiple language models (GPT, Claude, Gemini) for advanced conversations, workflow automation, and real-time tool calling. Features include memory/context through vector databases and live agent orchestration for complex query handling. Enhanced team efficiency with 85% task completion across 1,000+ real user sessions.

Fusion Chat AI - Multi-Agent Web App

Developed a powerful AI web app that connects multiple language models (GPT, Claude, Gemini) for advanced conversations, workflow automation, and real-time tool calling. Features include memory/context through vector databases and live agent orchestration for complex query handling. Enhanced team efficiency with 85% task completion across 1,000+ real user sessions.

Fusion Chat AI - Multi-Agent Web App

Developed a powerful AI web app that connects multiple language models (GPT, Claude, Gemini) for advanced conversations, workflow automation, and real-time tool calling. Features include memory/context through vector databases and live agent orchestration for complex query handling. Enhanced team efficiency with 85% task completion across 1,000+ real user sessions.

Fusion Chat AI - Multi-Agent Web App

Developed a powerful AI web app that connects multiple language models (GPT, Claude, Gemini) for advanced conversations, workflow automation, and real-time tool calling. Features include memory/context through vector databases and live agent orchestration for complex query handling. Enhanced team efficiency with 85% task completion across 1,000+ real user sessions.

Fusion Chat AI - Multi-Agent Web App

13865810
Worked on a robust invoicing and billing SaaS platform used by businesses worldwide to manage payments, clients, and financial workflows. ساهمت في تطوير features مثل invoice automation, payment gateway integration, and reporting dashboards. Ensured secure and scalable architecture to support thousands of users. Focused on improving performance, usability, and financial accuracy, enabling businesses to streamline their operations. This project stands out due to its real-world financial impact and integration with multiple payment systems and APIs.

SaaS Invoicing & Payment Platform

Worked on a robust invoicing and billing SaaS platform used by businesses worldwide to manage payments, clients, and financial workflows. ساهمت في تطوير features مثل invoice automation, payment gateway integration, and reporting dashboards. Ensured secure and scalable architecture to support thousands of users. Focused on improving performance, usability, and financial accuracy, enabling businesses to streamline their operations. This project stands out due to its real-world financial impact and integration with multiple payment systems and APIs.

SaaS Invoicing & Payment Platform

Worked on a robust invoicing and billing SaaS platform used by businesses worldwide to manage payments, clients, and financial workflows. ساهمت في تطوير features مثل invoice automation, payment gateway integration, and reporting dashboards. Ensured secure and scalable architecture to support thousands of users. Focused on improving performance, usability, and financial accuracy, enabling businesses to streamline their operations. This project stands out due to its real-world financial impact and integration with multiple payment systems and APIs.

SaaS Invoicing & Payment Platform

13865805
Developed and contributed to a modern AI-powered productivity workspace designed as an open-source alternative to Notion. Focused on building scalable, cross-platform features for web and desktop environments. Key contributions included improving real-time collaboration, enhancing UI/UX performance, and integrating AI-driven workflows for content generation and task automation. The platform emphasizes data privacy, extensibility, and high performance, making it suitable for individuals and teams managing complex workflows. What makes this project special is its combination of AI capabilities with a privacy-first architecture, delivering a powerful yet flexible productivity tool.

AppFlowy (AI-powered workspace)

Developed and contributed to a modern AI-powered productivity workspace designed as an open-source alternative to Notion. Focused on building scalable, cross-platform features for web and desktop environments. Key contributions included improving real-time collaboration, enhancing UI/UX performance, and integrating AI-driven workflows for content generation and task automation. The platform emphasizes data privacy, extensibility, and high performance, making it suitable for individuals and teams managing complex workflows. What makes this project special is its combination of AI capabilities with a privacy-first architecture, delivering a powerful yet flexible productivity tool.

AppFlowy (AI-powered workspace)

Developed and contributed to a modern AI-powered productivity workspace designed as an open-source alternative to Notion. Focused on building scalable, cross-platform features for web and desktop environments. Key contributions included improving real-time collaboration, enhancing UI/UX performance, and integrating AI-driven workflows for content generation and task automation. The platform emphasizes data privacy, extensibility, and high performance, making it suitable for individuals and teams managing complex workflows. What makes this project special is its combination of AI capabilities with a privacy-first architecture, delivering a powerful yet flexible productivity tool.

AppFlowy (AI-powered workspace)

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Experience

Software Engineer

Nov, 2025 - Present

•

6 months, 25 days

PromBiz

Nov, 2025 - Present

•

6 months, 25 days

No Description Provided

Nov, 2025 - Present

•

6 months, 25 days

Blockchain Full Stack Developer

Jan, 2025 - Oct, 2025

•

9 months, 10 days

Charlie Unicorn AI

Jan, 2025 - Oct, 2025

•

9 months, 10 days

No Description Provided

Jan, 2025 - Oct, 2025

•

9 months, 10 days

Frontend Engineer

Mar, 2023 - Nov, 2024

•

1 year, 8 months

StarlioTech

Mar, 2023 - Nov, 2024

•

1 year, 8 months

No Description Provided

Mar, 2023 - Nov, 2024

•

1 year, 8 months

Education

University of Sunderland

2016 - 2018

•

2 years

Master's degree of Computer Software Engineering

Flag of

United Kingdom

2016 - 2018

•

2 years

Bachelor's degree of Computer Science

2010 - 2014

•

4 years

Flag of

Romania

2010 - 2014

•

4 years

Qualifications

Certified Blockchain Developer™ (CBD)

2017

Blockchain Council

Validates expertise in blockchain architecture, smart contracts, and decentralized applications (dApps). Covers Ethereum, Hyperledger, and real-world blockchain use cases in fintech and secure systems.

2017

Google Professional Cloud Developer

2021

Google Cloud

Demonstrates ability to build, deploy, and scale applications on Google Cloud. Covers cloud-native development, APIs, CI/CD pipelines, and performance optimization—highly relevant for SaaS and AI-driven applications.

2021

AWS Certified Solutions Architect

2023

Amazon Web Services (AWS)

Validates expertise in designing scalable, secure, and cost-efficient cloud architectures. Demonstrates strong knowledge of distributed systems, microservices, and cloud-based application development—essential for modern web, SaaS, and fintech platforms.

2023

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