Middle+/Senior Node.js Developer (with AI and Chatbots experience) $$$$ Offline

About the Role:

We’re looking for a skilled Middle+/Senior Node.js Developer with hands-on experience building AI-driven solutions and chatbots. You will work on backend architecture, integrate with modern LLM/AI providers, and build scalable microservices using NestJS and PostgreSQL.

This role suits a developer who enjoys designing clean backend systems, experimenting with AI-powered features, and working in a product-driven engineering environment.

🚀 Responsibilities:

• Develop and optimize AI-based features, including chatbot logic, NLP pipelines, and LLM API integrations.
• Design and manage relational database schemas using PostgreSQL.
• Implement REST and/or GraphQL APIs for internal and external use.
• Collaborate with product, AI engineers, and frontend developers to deliver end-to-end functionality.
• Take ownership over technical decisions, architecture, and code quality.

✅ Requirements:

• 4+ years of experience with Node.js.
• Strong hands-on experience with NestJS.
• Solid knowledge of PostgreSQL, database design, and query optimisation.
• Practical experience integrating or developing AI-driven features (LLMs, NLP, embeddings, chatbot engines, or vector databases).
• Experience building or maintaining chatbots (custom logic or frameworks).
• Strong understanding of API development, microservices, and clean architecture principles.
• English B2+ — ability to collaborate in an international environment.
• Strong problem-solving mindset and ability to work autonomously.
• Good communication skills and readiness to collaborate with distributed teams.

Nice to Have:

• Familiarity with OpenAI, Anthropic, Gemini, or other LLM APIs.
• Knowledge of Redis, event-driven architecture, or message brokers (Kafka, RabbitMQ).
• Experience with cloud providers (AWS/Azure/GCP).

👉 What we offer:

📈Professional Growth opportunities:

• Ambitious goals and interesting projects;
• Regular & transparent performance review and feedback process;
• Possibility for both vertical or horizontal growth (in case you want to try a different path).

🎁Benefits program

• 18 working days of fully paid vacation;
• Free tax reporting support by our Financial department;
• Help with individual entrepreneurs’ questions and accounting support;
• Financial support and additional days off for various occasions (e.g. marriage, childbirth, etc.);
• Speaking Club to practice and improve English;
• Online sports activities to stay active and healthy.

😌Comfortable Working conditions

• Flexible working hours;
• Provision of required equipment;
• Remote working model.