Senior Fullstack Engineer (AI)

TL;DR

Senior Fullstack Engineer (AI): Building and optimizing full-stack features for AI agent interfaces with an accent on React/TypeScript frontend components and robust backend APIs. Focus on integrating LLM services, enterprise systems, and human-in-the-loop workflows to ensure secure and scalable AI-driven solutions.

Location: Must be based in Ukraine (Remote or Hybrid)

Company

hirify.global is a global custom product engineering company that supports multinational organizations and scaling startups in solving complex business challenges through innovative technology.

What you will do

• Build full-stack features for AI agent use cases, including chat interfaces, dashboards, and approval flows.
• Develop React/TypeScript frontend components for agent interaction and monitoring.
• Design and implement backend APIs and services for agent execution and data retrieval.
• Connect agents with enterprise systems, databases, and event-based workflows.
• Integrate with LLM gateways, vector stores, and AI observability tooling.
• Implement secure, production-ready patterns for authentication, RBAC, and CI/CD.

Requirements

• Must be based in Ukraine.
• Strong hands-on experience with React, TypeScript, and business application UI development.
• Backend engineering experience with Python/FastAPI, Java/Spring Boot, or Node.js.
• Experience building REST APIs and data access layers for enterprise applications.
• Understanding of AI agent patterns such as RAG, tool calling, and human-in-the-loop design.
• Familiarity with Git, CI/CD, Docker, Kubernetes, and production troubleshooting.

Nice to have

• Experience with agent frameworks like LangChain, LangGraph, or CrewAI.
• Familiarity with workflow orchestration platforms like Temporal.
• Exposure to AWS cloud-native services.
• Experience building reusable UI component libraries.

Culture & Benefits

• Radical flexibility: Choose between remote work or office presence.
• Comprehensive medical insurance and mental health support.
• Access to internal learning events, Udemy, and professional certifications.
• Opportunities for internal mobility across diverse domains.
• Collaborative environment with a focus on professional growth and global impact.