Full-Stack JavaScript Developer with RAG/LLM experience

We are seeking a JavaScript Developer with LLM Experience to join our innovative AI team. In this role, you will design and implement cutting-edge solutions combining Large Language Models (LLMs), Vector Search, and Retrieval-Augmented Generation (RAG) techniques. You will work on creating intelligent systems with a focus on scalability, efficiency, and performance, leveraging modern tools and frameworks such as Langfuse, Vercel AI SDK, and more. This is a fantastic opportunity to contribute to the development of AI-driven applications in a dynamic, collaborative environment.

What you’ll be working on:

• Collaborate with team members to design and implement AI-driven features
• Build and optimize RAG pipelines integrating Vector Databases and LLMs
• Implement and use Langfuse for monitoring and debugging LLM applications
• Write clean, well-documented, and maintainable JavaScript/TypeScript code
• Work with event sourcing tools like Kafka to ensure data integrity and scalability
• Utilize GraphQL APIs to manage complex data interactions.

Experience that will help you to do the job:

• Strong JavaScript/TypeScript skills and experience with frameworks such as Node.js
• Knowledge of how to work with models like GPT, Claude, Gemini or similar
• Hands-on experience with Vector Search technologies like MongoDB, Typesense, Pgvector
• Understanding of Retrieval-Augmented Generation (RAG) and how to design such pipelines
• Familiarity with Langfuse, Vercel AI SDK, or similar tools for monitoring and deployment
• Familiarity with event sourcing systems

Experience that will be a plus:

• Knowledge of GraphQL for building efficient and flexible APIs.
• Experience with Kafka, Redis, queues, microservices.
• Experience with testing frameworks and tools for maintaining high-quality code.
• Strong communication skills and the ability to work collaboratively in a team environment.

We care for our team, therefore we offer:

🚀 Interesting and challenging projects with modern technology stack

✅ Code reviews and constant feedback on your work

💪 Culture encouraging and promoting professional growth and development

💻 Modern working environment

💸 Competitive salary in USD with regular reviews based on your results

💲 Salary payment options that are convenient for you considering your local country regulations

⌚ Fully remote work in the team with well-established remote work processes (our team members located in 7+ different countries, and we encourage diversity)

🎤 English speaking clubs

🏖 Paid sick leave and vacation - 15 business days (21 calendar days) of annual vacation

👾 Online weekly team activities

🫶 Coverage of monthly psychologist support sessions