Remote Senior Full-Stack Engineer: AI-Powered Automation

Hire Hangar, Inc.; Argentina; Remote; ARS 181,906,000 - 242,542,000; Full time

Job summary

Hire Hangar, Inc. is seeking a Senior Full Stack Engineer to own end-to-end platform work, from backend automation pipelines to polished frontend interfaces.

You will collaborate with AI/ML engineers, PMs, and UX designers to ship reliable automation features that are powerful and intuitive. The role requires expertise in Node.js or Python, React or Vue, and experience with RPA solutions and LLM integration patterns.

Qualifications

• Senior-level full stack development experience with Node.js or Python backend and React or Vue frontend.
• Proven experience building or integrating RPA solutions (UiPath, Automation Anywhere, Power Automate, or custom agents).
• 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 RESTful and event-driven API design; cloud-native infrastructure exposure (AWS/Azure/GCP).
• Proficient with remote collaboration tools; prior remote work experience.

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 for RPA agents to make intelligent decisions.
• Collaborate with AI/ML engineers to integrate language models and decision engines.
• Contribute to the data platform layer — ingestion, transformation, and API/UI exposure.
• Participate in design reviews, code reviews, and roadmap planning; mentor mid-level engineers.

Skills

Full stack

RPA experience

LLM integration

Knowledge graphs

API design

Cloud platforms

Remote work tools

Vector DBs

Agent frameworks

Data pipelines

B2B SaaS

Tools

Python

Node.js

React

TypeScript

UiPath

Power Automate

LangChain

AutoGen

CrewAI

dbt

Airflow

Spark

AWS

Azure

GCP

Pgvector

Weaviate

Pinecone

Slack

Zoom

Google Workspace

Job description

Hire Hangar, Inc. is seeking a Senior Full Stack Engineer to own end-to-end platform work, from backend automation pipelines to polished frontend interfaces.

You will collaborate with AI/ML engineers, PMs, and UX designers to ship reliable automation features that are powerful and intuitive. The role requires expertise in Node.js or Python, React or Vue, and experience with RPA solutions and LLM integration patterns.