Ukraine onlyAbout 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.
👉 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.
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)
