Fullstack Engineer (Node.js + React)

Technologies we use

About the project

This is how we organize our work

This is how we work

Team members

Your responsibilities

• Designing, building, and maintaining AI agents and agentic workflows, including those based on GitHub Agentic Workflows.
• Developing custom agent skills, tools, and integrations with internal and external systems.
• Building and maintaining Model Context Protocol (MCP) servers to connect agents with data sources and services.
• Applying core LLM concepts (prompt and context engineering, tool calling, retrieval, evaluation) to deliver reliable, high-quality agent behavior.
• Developing backend services in Node.js and user-facing components in React to support and expose agent capabilities.
• Translating business requirements into well-structured technical tasks and delivering features end-to-end.
• Monitoring, testing, and iterating on agent performance, quality, cost, and safety.
• Conducting code reviews and contributing to documentation and best practices.
• Sharing knowledge about AI tooling and agentic patterns, contributing to a collaborative learning culture within the team.

Our requirements

• Experience designing and building AI agents and agentic workflows, preferably with GitHub Agentic Workflows.
• Strong understanding of core LLM concepts, such as prompting, context windows, tool/function calling, RAG, and evaluation.
• Experience developing and maintaining custom AI agents, custom skills, tools, and integrations.
• Hands-on experience with Model Context Protocol (MCP) servers.
• Solid software engineering background with practical experience in Node.js and React.
• Familiarity with Git, CI/CD pipelines, and modern development workflows.
• Proactive and curious mindset, comfortable working in dynamic, fast-evolving project environments.
• Fluent English communication, able to collaborate effectively across international teams.

Optional

• Experience with Python, especially FastAPI.
• Experience with Vue.js.
• Familiarity with MS Azure services.
• Knowledge of security best practices for LLM-based applications.

What we offer

• Access to top e-learning platforms and a development budget
• Real ownership opportunities: expand your scope, drive solutions, lead initiatives; most of our Leads are promoted internally
• Long-term collaboration via B2B, because we value lasting partnerships
• Remote-first
• Flexible hours
• Work alongside exceptional engineers and experts
• Flat structure where every person matters and influences the company
• Full-company integration trips (including international ones)
• Team-level integration budgets
• Open, supportive, and collaborative culture

This is how we work on a project

Development opportunities we offer

Benefits

EQUAL OPPORTUNITY