Junior AI Automation Engineer (Early Career)

AI Workflow Design (using GPTs / LLMs) System & API Data Integration Automation Architecture & Maintenance n8n Notion Dialogflow OpenAI API Claude API Langchain Slack Microsoft Teams GitHub Actions

leadtech

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Role Overview

Join Leadtech's Applied AI Lab as a Junior AI Automation Engineer and be at the forefront of connecting powerful AI agents and LLMs to real-world workflows. You'll work with cutting-edge low-code orchestration tools like n8n, Claude Agent Teams, LangChain, and more to design automations that integrate foundational AI models, APIs, databases, and user-facing systems.

This role offers the exciting opportunity to build end-to-end automation pipelines that enable fast, scalable, and maintainable deployment of intelligent workflows. You'll collaborate with product managers and AI Training specialists to translate complex requirements into robust features while supporting teams across marketing, content ops, HR, legal, and finance with AI-powered automations.

As part of a diverse team of over 700 members from 23+ nationalities, you'll contribute to innovative digital solutions that reach millions of users monthly, working in an environment that values creativity, collaboration, and cutting-edge technology.

Responsibilities

Build, maintain, and extend end-to-end automation pipelines using n8n, Google Workspace Studio, LangChain, and Claude tools
Design and deploy multi-step processes involving LLMs (GPT-5, Claude, Gemini) via prompt chains, tool calling, and function execution
Automate tasks across systems including vector DBs, OpenAI/Gemini APIs, Notion, Slack, Google Chat, email, and webhooks
Set up event-driven architecture with listeners and webhooks to automate tasks based on triggers
Ship AI-powered automations quickly to support internal teams across various departments
Collaborate on integration with n8n-based workflow automation engine
Build and maintain backend infrastructure to support agent and model endpoints via FastAPI or Express
Collaborate with team on application deployment and cloud infrastructure maintenance on Google Cloud Platform

Requirements

n8n mastery with ability to build custom workflows and custom nodes
Experience with webhook triggers, data parsing, retries, error handlers, and LLM toolchains
Understanding of how to secure, scale, and monitor n8n in production
Hands-on experience with LangChain and awareness of LangFlow features
Proficiency in Python, TypeScript, Bash, and workflow scripting (YAML-based pipelines)
Familiarity with FastAPI, Node.js, and database integration (Pinecone, PostgreSQL, Redis, BigQuery)
Collaborative problem-solving mindset and eagerness for fast-paced development
Genuine passion for artificial intelligence and building AI-powered products

Nice to Have

Previous experience working on AI projects or with large language models (LLMs)
Knowledge of Google Cloud Platform (GCP)
Experience with Cursor for building quick workflows
Claude Cowork experience

Benefits & Perks

Flexible career path with personalized internal training and annual budget for external learning
Flexible schedule with flextime and free Friday afternoons (7-hour workday)
35-hour workweek in July and August
Competitive salary and full-time permanent contract
Top-tier private health insurance including dental and psychological services
25 days vacation plus birthday off with flexible vacation options
Barcelona office with free coffee, fresh fruit, snacks, game room, and rooftop terrace
Ticket restaurant and nursery vouchers paid from gross salary

About the Company

Leadtech has been redefining digital businesses since 2009, creating innovative online solutions that reach millions of users monthly. With over 700 team members from 23+ nationalities, they specialize in delivering user-centric experiences across web and mobile platforms while fostering an inclusive workplace focused on creativity and collaboration.