Lucas Matuszewski
AI-Driven Software Developer

Lucas Matuszewski

TS & AI Software Engineer

Full-Stack Developer with 20+ years of web development experience. Building cutting-edge AI applications, 3D avatars, and scalable web platforms.

Porto, Portugal
|Web Dev since 2003

Passionate About

Artificial Intelligence

Building AI agents, RAG systems, and intelligent applications

User Experience

Creating intuitive, beautiful interfaces that users love

Startups

From ideation to execution, turning visions into reality

Continuous Learning

Machine learning, distance learning, and lifelong learning

Technical Expertise

Full-Stack Web

TypeScript 5React 19Next.js 15Node.jsElectronPayloadCMSMongoDBPostgreSQLTailwindCSSFigma

AI Apps & Agents

PythonOpenAI SDKPipeCatRAGLangfuseVector DBsLangChainLangGraphLLMsTTSSTTPromptfoo

AI Dev Tools

Cursor AgentZedGH CopilotClaude CodeGemini CLIGemini Code AssistClineAiderFlowiseAIOpen Interpreter

Cloud & DevOps

CloudFlareGCPAWSAzureDockerGitHub ActionsCoolifyLinuxVPSBashCI/CD

AI Providers

OpenAIAnthropicDeepSeekVertex AIGladiaHuggingFaceGroqNvidiaElevenLabs

Recent Key Achievements

AI Meeting Assistant

Desktop app for Financial Advisors, with live transcription, notes, summarisation, data extraction, etc.

Swift CLIMacOS CoreAudio TapsElectronReact.jsPythonWebSocketsGladia TTS

3D AI Avatar

Advanced digital human running in your browser with voice, animations, tool use, etc.

Babylon.jsWebGPUNvidia Audio2FacegRPCWebRTCPipeCatLLMsTTSSTT/ASREncore.ts

AI Automations in CRM

LLM-based automations, OCR, schema conversion, summarization, internationalization, updating DB, etc.

OpenAI SDKLLMsOCRi18nJson SchemaDB Relations

Private NPM UI Libraries

2x component libraries for 8 projects at The Wonderful Company, built with Rollup, with shared UI, Logic and Tests. Tree Shaking, custom PostCSS optimization, A11y.

RollupTypeScriptReactCypressStorybookNPMGCP Artifacts

Professional Experience

CTO, Co-founder

Edukey - IT Training

06/2018 - Present

Developing AI-powered CMS, CRM & platform with B2B trainer-led IT courses.

  • Full Stack: React.js 19, Next 15, PayloadCMS, MongoDB, TailwindCSS
  • AI integrations: OpenAI SDK, RAG, Vector DBs, LangGraph, FlowiseAI
  • DevOps: Docker, GitHub Actions, fully automated CI/CD
Remote, Poland

Senior Full-Stack Engineer

TODAY - AI Startup

03/2025 - 08/2025

AI Coach and Meeting Assistant for financial advisors. I built from scratch a Desktop App with Electron.js, macOS Swift CLI, and WebSockets.

Remote, Denmark

CTO, Architect, AI Developer

3D AI Avatar Startup

07/2024 - 02/2025

Built advanced 3D AI Avatar PoC as solo developer. Babylon.js, WebGL/WebGPU, Nvidia Audio2Face, Unreal Engine, MetaHuman.

  • System design and validation of personalized digital human for live conversations
  • Custom integration with Nvidia Audio2Face NIM/ACE/Omniverse
  • WebRTC audio streaming, STT/ASR, TTS, gRPC & protocol buffers
Porto, Portugal

Senior Frontend Engineer

The Wonderful Company

06/2021 - 06/2024

Fiji Water, Justin Wines, Halo Oranges, POM. The biggest agricultural company in United States.

  • Built 4 new eCommerce apps based on Shopify & Commerce7
  • Created 50+ custom-made reusable components in Builder.io CMS
  • Private NPM UI libraries with Rollup + tree-shaking & PostCSS optimization
Remote, Los Angeles, CA

Front-End Developer

Sundose — Health Tech Startup

12/2020 - 06/2021

Tight integration between Frontend, Backend & Manufacturing. Worked in pure Scrum.

  • Multiple React apps (micro-services) + Next.js landing; Python backend; Ant Design with SCSS & LESS; PayPal & PayU.
  • Introduced TypeScript, A/B tests, and Cypress E2E & integration tests.
  • Dockerized workflows; CI/CD via Jenkins and Makefiles.
Remote, Poland

Front-End Developer

Roche (contractor via Billennium)

11/2018 - 01/2021

4 internal teams with global stakeholders; advanced business web apps & dashboards.

  • React (Classes, HOC, Hooks & Context API), Redux, Material UI, Formik, 3D charts.
  • Led a project reporting directly to Innovation Director (Costa Rica), 2–3 meetings/week.
  • SCRUM, JIRA + Bitbucket, Azure DevOps; SEO & analytics consulting.
Łódź, Poland

Chief Executive Officer, Co-founder

Edukey — IT Training

08/2010 - 06/2018

Built in-house CRM/CMS/website & eLearning as PO & co-dev. Coordinated designers, devs, and marketing to hit UX, deadlines & KPIs.

Stack: PHP (Kohana, Symfony), MySQL, jQuery.

Łódź, Poland

Founder

TwojaEuropa.pl (YourEurope) — Startup

02/2009 - 10/2017

Social-media platform for Europe-lovers & journalists (~130k UU/month). Custom PHP, HTML, CSS, jQuery.

Łódź, Poland

Junior PPC Manager

Bluerank.com — Google Ads

08/2007 - 06/2009

Managed AdWords campaigns and reporting; landing page UX recommendations.

Łódź, Poland

Webmaster / Web Developer

Freelancer

01/2003 - 12/2007

Static & dynamic websites for SMEs and organizations. HTML, CSS, JavaScript (jQuery), PHP, MySQL.

Łódź, Poland

Education & Certifications

Education

Postgraduate - Startup Academy

Wroclaw University of Economics and Business

2016 - 2017

Master of Arts - Sociology of Internet

University of Lodz

2002 - 2007

Also certified: Google Developers Launchpad, Google Advertising Professional, Microsoft Office Specialist, and... Prince2 + PMBoK ;)

Recent Training

Voice AI Agents with Kwindla from PipeCat

2025

4 weeks

AI Agents, GenAI, Vertex AI - Google for Startups

2024

4 weeks

AI_Devs 3 - AI Agents - Brave Courses

2024

5 weeks

React, Redux, OAuth, Stripe - Udemy

2018

200+ hours

Lean Startup, Design Thinking

2017

Startup Academy