Senior Full-Stack Engineer — Remote & AI-Driven Automation

Hire Hangar Global; Kraków; Remote; PLN 474,000 - 632,000; Full time

Job summary

Hire Hangar Global is seeking a Senior Full Stack Engineer to own end-to-end development of our automation platform from backend pipelines to polished frontend interfaces. You will collaborate with AI/ML teams, product managers, and designers to ship powerful, reliable automation features.

The role requires expertise across Node.js/Python backends and React/Vue frontends, with experience in RPA integrations and cloud-native setups. Remote work experience and strong communication are essential.

Qualifications

• Senior-level full stack development experience (Node.js or Python backend; React or Vue frontend).
• Proven experience building or integrating RPA solutions (UiPath, Automation Anywhere, Power Automate, or custom agent frameworks).
• Familiarity with LLM integration patterns including RAG, tool-calling, and prompt engineering.
• Experience with semantic or knowledge graph layers, ontology-based systems, or structured context stores.
• Strong grasp of RESTful and event-driven API design.
• Exposure to cloud-native infrastructure (AWS, Azure, or GCP).
• Must have prior remote work experience and be fluent with remote collaboration tools (Slack, Zoom, Google Workspace, or similar).

Responsibilities

• Architect and develop RPA agent pipelines integrated into our core SaaS platform.
• Build responsive, data-rich frontend interfaces that surface automation insights to end users.
• Design semantic context layers that give RPA agents the knowledge they need to make intelligent decisions.
• Collaborate with AI/ML engineers to integrate language models and decision engines into automation workflows.
• Contribute to the data platform layer — ingestion, transformation, and exposure via APIs and UI.
• Participate in design reviews, code reviews, and technical roadmap planning.
• Mentor mid-level engineers and help define engineering best practices.

Skills

Full stack development

Node.js

Python

React

Vue

Remote collaboration

LLM integration

Tools

UiPath

Automation Anywhere

Power Automate

LangChain

AutoGen

CrewAI

Job description

Hire Hangar Global is seeking a Senior Full Stack Engineer to own end-to-end development of our automation platform from backend pipelines to polished frontend interfaces. You will collaborate with AI/ML teams, product managers, and designers to ship powerful, reliable automation features.

The role requires expertise across Node.js/Python backends and React/Vue frontends, with experience in RPA integrations and cloud-native setups. Remote work experience and strong communication are essential.