Senior Full Stack AI Engineer (React / Node) [J213]

We are seeking a Senior Full Stack AI Engineer to design, build, and scale intelligent applications from concept to production. The ideal candidate combines strong full stack development expertise with hands-on experience building AI-powered features and deploying them into real-world environments

Key Responsibilities

• Design and develop end-to-end applications using full stack technologies (React, NodeJS, TypeScript, SQL/NoSQL, Python).
• Build and deploy AI-powered features (RAG pipelines, vector storage integrations, LLM fine-tuning, multi-agent systems).
• Apply software engineering best practices: OOP principles, asynchronous programming, lazy loading, and scalable architectures.
• Work with ML services to enable intelligent application features.
• Translate AI prototypes and ideas into production-ready applications, ensuring proper QA, deployment, and security.
• Collaborate with cross-functional teams to scale applications and support continuous delivery of AI-driven features.

Required Qualifications

• 5+ years of professional full stack development experience.
• Strong proficiency in Python (must-have) and at least one modern full stack framework (React, NodeJS, TypeScript, SQL/NoSQL).
• Solid software engineering fundamentals: OOP, asynchronous programming, lazy loading, design patterns.
• Experience delivering production-level applications with CI/CD, testing, and security practices.
• Track record of scaling applications from concept to production.

Nice to Have

• Hands-on experience with AI/ML services.
• Experience with vector databases (Pinecone, Weaviate, FAISS, Elastic, etc.).
• Familiarity with LLM fine-tuning and prompt engineering.
• Knowledge of multi-agent frameworks (LangGraph, CrewAI, AutoGen).
• Background in AI ethics, Responsible AI, and secure deployments.

What do we offer you?

• Attractive salary
• Large freedom and real influence
• No unhealthy competition, team approach to meeting challenges
• Remote-first, flexible working culture
• Company apartments in cool cities across Europe: work and enjoy a memorable getaway

About Us

We are a software house with 18 years of experience and a global portfolio of projects. We help businesses modernize, scale, and innovate through custom software solutions — always with a focus on flexibility and quality. Our team embraces unconventional ideas and new technologies, delivering solutions that drive real impact. If you value professionalism, creativity, and a strong engineering culture, you'll feel at home here.