Full-Stack Engineer

Join our engineering team to develop AI-enabled business ventures and deploy cutting-edge technology to address real-world challenges.

• Design, develop, and deploy LLM-powered applications, including but not limited to fine-tuned models and retrieval-augmented generation (RAG) pipelines, while exploring innovative ways to enhance AI-driven workflows
• Build and maintain scalable fullstack applications using a JavaScript-based stack (Node.js, React, etc.), along with occasional Python applications for advanced data processing, data handling and model integration
• Prototype and refine agentic workflows using n8n and similar low-code/no-code platforms to quickly validate solutions first

• 3+ years of experience as a fullstack developer, with a strong background in JavaScript-based technologies
• 1+ years of deep understanding of LLMs, fine-tuning, vector databases and retrieval-augmented generation (RAG), along with a strong overall interest in the AI space to stay on top of developments
• Understanding of data science principles, including data preprocessing and model evaluation
• Hands-on experience with n8n or similar workflow automation tools to build prototypes
• Strong problem-solving skills and the ability to work independently
• Fluency in English

Why join Waterglass?

• Opportunity to go beyond building agentic software applications – play a central role in creating AI-driven business ventures from scratch, combining technology, strategy and execution
• Work with cutting-edge AI technologies that have real-world applications, solving complex problems for both our own ventures and international clients across the US and Europe
• Join a small and fast-moving team with expertise in product, growth, and finance, where your contributions directly shape the direction of new AI-powered businesses

We are a remote-first company headquartered in Vienna, Austria and Sarasota, Florida, serving SME clients across Europe and the US. As trusted partners, we help implement AI solutions that drive tangible value.

In addition to client work, we acquire businesses and enhance them with AI to boost operational efficiency and unlock growth potential.