Node.JS Developer (with AI experience)

We are looking for an experienced Node.js Developer with a strong background in AI/ML to join our team.
In this role, you’ll have the opportunity to work with LLM models, vector databases, RAG pipelines, and AI-powered solutions across various projects and tech stacks. If you’re passionate about innovation and driven by impact, we’d love to have you on board!

Required skills:

•  4+ year of experience in Node.js/TypeScript development (Nest.js)
•  Familiar with Git, CI/CD, and bug-tracker system
• Understanding the core principles of OOP, OOD SOLID, and practical experience using them
• Microservice architectures knowledge
• Experience with RESTful APIs & API design
• Experience with AWS services
• Experience with relational databases MySQL, PostgreSQL and key-value stores Memcache, Redis
• Intermediate level of English or higher
• Experience integrating AI/ML services into Node.js (OpenAI API, TensorFlow.js, Hugging Face, etc.).
• Working with LLM models (configuration, query optimization, fine-tuned model usage).
• Experience with RAG (Retrieval-Augmented Generation): pipeline development and optimization.
• Working with vector databases (Pinecone, Weaviate, Qdrant, FAISS): storing and retrieving embeddings.
• Optimizing AI request performance (caching, processing large volumes of data).
• Understanding neural networks, NLP, and Computer Vision principles (basic knowledge or integration experience).

Would be a plus:

• Experience with GraphQL and Docker
•  Experience in writing tests
• Experience with LangChain for building AI-powered applications.
• Understanding the fundamentals of MLOps (automation of AI model training and deployment).
• Developing custom AI models or fine-tuning existing ones (Fine-Tuning, Prompt Engineering).

We offer:

• 21 vacation days, 8 sick leave days, 7 additional days off if needed, and a day off on your birthday
• Medical insurance and compensation for sports expenses
• 50% compensation for education expenses—lectures, conferences, and English courses
• An amazing and friendly team. Check out our Instagram and DOU
• A comfortable office close to the city center
• Flexible work schedule
• No bureaucracy or micromanagement—we follow a Scandinavian management model