Fullstack Node.js Developer

Profile: Fullstack Developer (AI & GenAI Solutions)

• You’ll be using state-of-the-art AI technologies to build intelligent and innovative solutions.
• You’ll be developing and implementing high-quality applications that integrate AI, Generative AI, and LLMs (Large Language Models).
• You’ll own your work, influencing the project’s architecture, strategy, and AI-driven features.
• You’ll have the freedom to experiment and improve the product by leveraging OpenAI API, different LLM models, and chatbot frameworks.
• You’ll be joining a team of customer-focused Full Stack Engineers and UX/UI designers, driving one of the most exciting AI-powered products on the Polish IT market.

What you need to start the adventure with us:

• At least 3 years of programming experience (Senior Level: 5+ years).
• Strong knowledge of JavaScript or TypeScript (Senior Level: very good knowledge of both).
• Experience with JS frameworks (we use Express.js and React).
• Hands-on experience in integrating AI/GenAI models into applications (e.g., OpenAI API, LangChain, Hugging Face, or other LLM providers).
• Experience in building AI-powered chatbots or virtual assistants.
• Knowledge of RESTful API design using best practices and design patterns.
• Understanding of asynchronous programming and experience with message brokers (RabbitMQ, Redis).
• Ability to write clean, testable, and scalable code.
• Experience in Agile and Scrum methodologies (we work in Scrum, by the way).
• Strong collaboration skills, working closely with business stakeholders and AI/ML teams.
• (For Senior Level) Ability to take ownership, driving AI-enhanced services from concept to deployment.

Nice to have:

• Hands-on experience with microservices architecture.
• Experience working with LLMOps/MLOps pipelines for AI model deployment and monitoring.
• Knowledge of relational and non-relational databases.
• DevOps skills, including Docker, Kubernetes, CI/CD, and Ansible.
• Experience with vector databases (e.g., Pinecone, Weaviate) for AI-powered search and recommendation systems.

Offer:

• Location: Poland / Warsaw - remote cooperation + with occasional work in office 1-2 times a month
• Rate: up to 180 PLN / h + VAT