I’m a senior full-stack and AI developer based in Warsaw, with 13 years of experience building and delivering end-to-end products, from backend APIs to front-end user experiences.
I’m a senior full-stack and AI developer based in Warsaw, with 13 years of experience building and delivering end-to-end products, from backend APIs to front-end user experiences. Over the last 4 years, I’ve focused heavily on AI-powered applications—especially RAG-based systems, evaluation of model behavior, and integrating LLMs into real business workflows.
I enjoy turning business requirements into robust technical plans and guiding implementations that scale reliably. I’ve worked across SaaS customer communication, generative media, cryptocurrency trading, and workflow automation, building real-time messaging services, event-driven backends, and workflow orchestration layers using Python, FastAPI, Node.js, TypeScript, React, and AWS.
Finding the right answer shouldn't mean digging through hundreds of documents. RAGFlow turns scattered files and complex data into answers people can actually trust, with sources to back them up. It's a smarter way to put company knowledge to work, whether you're building an internal assistant or a customer-facing AI product.
Nobody wants to spend their day doing the same tasks over and over. Tines takes that busywork off your plate by connecting tools, automating workflows, and bringing AI into the mix. Less manual work, fewer things slipping through the cracks, and more time for what actually matters.
Got an idea? Turn it into something you can actually see. PicLumen makes it easy to create and edit images with AI, without spending hours in design tools. Just describe what you have in mind, generate a few options, and keep refining until it feels right.
Customer support gets messy fast when conversations are scattered across different channels. Crisp brings everything into one place, from live chat to email and social messaging. With AI handling routine questions, support teams can focus on real conversations instead of chasing tickets all day.
Own technical direction for AIvanta’s products, shaping architecture and technology decisions from initial design through delivery. Lead hands-on development across AI capabilities, backend services, and infrastructure with emphasis on scalability, reliability, and code quality. Translate business requirements into technical plans and guide engineering priorities from implementation through product delivery, including assessing AI models, frameworks, and tools for delivery speed, operating cost, and long-term maintainability.
Led SaaS feature development for Crisp’s customer communication platform, including real-time messaging, conversation management, and support workflows. Designed backend services and data flows that connect workspace customer records, conversation history, and messaging operations. Implemented RAG retrieval workflows using business websites, knowledge base articles, uploaded documents, and conversation context to ground AI support responses. Integrated automated replies, agent assistance, and human handoff into existing support workflows.
Designed and built a generative AI service for PicLumen, connecting OpenAI APIs with media generation workflows in the web product. Created prompt-driven image and audio workflows that generate media within the application, and combined image/audio/video generation into a unified user-facing workflow. Implemented a service layer exposing model capabilities as application features, bridging user interfaces and underlying AI model operations.
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