FullStack; Node.js​/React Architect - Agentic AI Platform

Full Stack (Node.js/React) Architect - Agentic AI Platform

About the Role:

We're looking for a Full Stack (Node.js/React) Architect, who will design and develop web frontend and backend services for an agentic AI platform that is accelerating application development across the entire software development lifecycle.

• Primary responsibility is hands‑on design and implementation of an Agentic AI platform enabling development of agents automating the entire software development lifecycle, from specs to design, to coding and testing
• Design and develop a web frontend for Agentic AI spec, design, code and test generation services backend
• Develop responsive, real‑time web UI for code generation, editing, and collaboration using React and Type Script
• Design and implement scalable backend services for LLM orchestration, code execution, and user workspace management
• Create Web Socket‑based systems for streaming code generation and real‑time collaborative features
• Build REST APIs for third‑party integrations
• Implement secure sandboxed code execution environments and containerized runtime systems
• Develop billing, usage tracking, and subscription management subsystems
• Optimize frontend performance for large code files and syntax highlighting
• Create developer tools and SDKs for platform integration
• Collaborate with AI team to integrate Agentic AI engine into user‑facing features
• Participate in architecture decisions for scaling the system

• Expert‑level React and modern state management (Redux Toolkit, Zustand, or similar)
• Strong Node.js/NestJS or Express backend development
• Experience with real‑time systems (Web Sockets, Server‑Sent Events, WebRTC)
• Postgre
  
  SQL and Redis for data persistence and caching
• Docker and container orchestration basics
• Git workflows and CI/CD pipeline setup
• Understanding of authentication systems (OAuth, JWT, SSO)
• API design and documentation (OpenAPI)
• Experience with event‑driven architectures (Kafka, Rabbit
  
  MQ)
• Comfortable with rapid iteration and changing requirements
• Strong ownership mentality and self‑direction
• Ability to work across the entire stack when needed
• Experience or interest in early‑stage product development
• Excellent communication skills for cross‑functional collaboration
• Excitement about AI and its impact on software development
• At least - Upper‑Intermediate English level

• Experience integrating LLM APIs (OpenAI, Anthropic, or similar)
• Understanding of streaming responses and token management
• Familiarity with code parsing, syntax trees, and language servers
• Knowledge of sandboxed execution environments
• Experience with Kubernetes and cloud platforms (AWS/Azure)
• Python knowledge for AI/ML integration
• Experience with VS Code extension development
• Experience with vector databases
• Familiarity with observability tools (Sentry, Open Telemetry)

Professional Development: Free English courses, free access to the corporate Udemy account, corporate digital library subscription, possibility to participate and share your knowledge as a speaker in our internal meetups.

Benefits: 100% paid vacation and sick leaves, opportunity to accumulate part of the own salary in the company in dollar terms.