TL;DR

Senior Frontend Engineer (AI): Designing and building user experiences for AI agents in document workflow automation with an accent on conversational UI, real-time feedback systems, and integration with AI/ML backend services. Focus on creating responsive AI chat interfaces, dynamic document editing, and pushing the limits of intelligent automation.

Location: Fully remote with optional hybrid work from offices in Kyiv, Warsaw, or Lisbon

Company

%hirify_global% builds a global SaaS platform for document workflow automation, helping teams create, send, track, and e-sign proposals, contracts, and other documents efficiently.

What you will do

Design and implement scalable, maintainable, and high-performance frontend architectures using React and Redux
Create intuitive conversational UI patterns and real-time feedback systems for AI interactions
Collaborate closely with backend and ML engineers to deliver fast and engaging user experiences
Build responsive AI chat interfaces and dynamic document editing experiences powered by intelligent agents
Advocate for customers and shape great product experiences

Requirements

At least 6+ years of JavaScript/TypeScript development experience
Strong English communication skills, both spoken and written
Experience with React, Redux, HTML, CSS, and scalable frontend architectures
Track record of delivering performant and user-friendly applications
Experience or interest in AI/ML-powered interfaces, conversational UI, or real-time streaming data
Familiarity with LLMs, AI/ML systems, or AI-powered products is a plus

Nice to have

Experience with agent frameworks like LangChain or LlamaIndex
Understanding of security best practices for AI systems (prompt injection prevention, data privacy)
Interest in full-stack development

Culture & Benefits

Remote-first approach with optional hybrid work from Kyiv, Warsaw, and Lisbon offices
Flexible contract types including employment and B2B arrangements depending on location
Work schedule aligned with EU time zones
Open and honest culture valuing constructive feedback
Professional and personal development in a collaborative and supportive team
Stable, growing SaaS product with startup energy and strong technical challenges