Full-Stack Developer (React+node.js)

We are looking for Full-Stack Developer (React / TypeScript / Node.js / NestJS / AI Platform).
! Location: Belarus only
! Strong English: b1+ and higher.

About the Product
We are building a no-code platform for creating, training, and managing AI agents that automate business processes and enhance customer engagement.

The platform supports multi-channel communication (chat, email, SMS, voice), seamless integration with external systems, and human-in-the-loop control over AI interactions. It is designed to be scalable, secure, and production-ready, with a strong focus on real-world AI use cases and operational reliability.

Responsibilities:
Frontend:

• develop new application modules using React + TypeScript;
• manage async data and caching using React Query (TanStack Query);
• build reusable, scalable UI components and application layouts.

Backend:

• design and implement backend services using Node.js + NestJS + TypeScript;
• build and maintain APIs that power AI agents and multi-channel communication workflows;
• integrate with OpenAI APIs for AI-driven features and agent behavior;
• implement messaging and notification flows;
• work with Google Cloud infrastructure and services.

Requirements:

• 5+ years of professional experience as a Full-Stack or Senior Frontend/Backend Developer;
• strong experience with React and TypeScript on the frontend;
• solid backend experience with Node.js and NestJS;
• hands-on experience integrating third-party services and APIs (OpenAI, email, SMS, cloud services);
• experience with Redis and asynchronous/background processing;
• understanding of scalable system design and API architecture;
• strong code review culture and ability to work independently.

Nice to Have:

• experience building AI-powered products or working with LLMs;
• familiarity with cloud platforms (especially Google Cloud);
• experience with real-time or multi-channel communication systems.