Job description
As an AI Automation Engineer in Leadtech’s Applied AI Lab, you’ll be at the forefront of connecting powerful AI agents and LLMs to real-world workflows using low-code orchestration tools like n8n, retool, and KNIME, along with scripting and backend APIs. You’ll design automations that integrate foundational AI models, APIs, databases, and user-facing systems, enabling fast, scalable, and maintainable deployment of intelligent workflows.
- AI Workflow Automation: Build, maintain, and extend end-to-end automation pipelines using n8n,, or Retool Workflow
- Agent Orchestration & AI Integration: Automate tasks across systems such as vector DBs (Pinecone, Weaviate), OpenAI/Gemini APIs, Notion, Slack, email, storage, and webhooks, Agent Orchestration & AI Integration, Design and deploy multi-step processes involving LLMs (e.g., GPT-4o, Claude, Gemini) via prompt chains, tool calling, and function execution
- Event-Driven Architecture: set up listeners and webhooks to automate tasks based on events (e.g., user uploads, external service updates, or model outputs). Route user inputs, analyze outputs, and trigger relevant services through low-latency pipelines
- Rapid Prototyping & Delivery: Ship AI-powered automations fast to support internal users, marketing, content ops, product intelligence, and more
- Collaborate on the integration with our n8n-based workflow automation engine, helping to connect our backend with the AI agents that power our analyses
- Collaborate closely with product managers and AI specialists to translate complex requirements into robust, scalable features.
- API & Service Integration: Build and maintain backend infrastructure to support agent and model endpoints via FastAPI or Express
- Collaborate with the team on application deployment and help maintain our cloud infrastructure on Google Cloud Platform.
What We’re Looking For
We are seeking a proactive and skilled developer who is passionate about building modern, data-driven applications.
Experience: 6 Months - 3 years of professional experience in a role.
n8n Mastery: Able to build custom workflows and custom nodes
- Comfortable using it with webhook triggers, data parsing, retries, error handlers, and LLM toolchains
- Understands how to secure, scale, and monitor n8n in production
LangChain: previous hands on experience
LangFlow: awareness of its features and pros and cons
Programming & scripting: Proficiency in Python, TypeScript, Bash, and workflow scripting (e.g., YAML-based pipelines)
Familiar with FastAPI, Node.js, and database integration (PostgreSQL, Redis, BigQuery)
Problem-Solving Mindset: You are a collaborative problem-solver, eager to take on new challenges and contribute to a fast-paced development cycle.
Passion for AI: A genuine passion and awareness for artificial intelligence and a strong desire to build products that leverage its capabilities to solve real-world problems.
Creativity and Proactivity: You have a passion for building great products, are eager to propose new features, and enjoy finding creative solutions to improve the user experience.
Bonus Points (Nice to Have):
- Project Experience: Previous experience working on projects involving AI, machine learning, or interacting with large language models (LLMs).
- Knowledge of cloud platforms like Google Cloud Platform (GCP).
Why You’ll Love Working With Us
- High-Impact Role: Be a key player in a small, agile team building a greenfield project with the potential to transform an industry.
- Modern Technology: Work with a cutting-edge, carefully selected tech stack with a focus on best practices.
- Growth & Learning: Gain deep experience in AI-driven applications, cloud-native architecture, and real-time systems.
- Stability & Vision: Enjoy the energy of a startup environment backed by the resources and stability of a large, successful company.
- Collaborative Culture: We value open communication, teamwork, and a shared passion for building exceptional products.
If you are ready to take on a challenging and rewarding role at the intersection of AI and product strategy, we encourage you to apply.
What We Offer:
Competitive salary and stock options
Remote-friendly environment with flexible working hours
Access to top-tier ad budgets, tools, and learning resources
A high-impact role at the heart of marketing, product, and engineering
Why should you join us?
Growth and career development
- At Leadtech, we prioritize your growth. Enjoy a flexible career path with personalized internal training and an annual budget for external learning opportunities.
Work-Life balance
- Benefit from a flexible schedule with flextime (7 - 9:30 a.m. start, 3:30 - 6 p.m. end) and the option of working full remote or from our Barcelona office. Enjoy free Friday afternoons with a 7-hour workday, plus a 35-hour workweek in July and August so you can savor summer!
Comprehensive benefits
- Competitive salary, full-time permanent contract, and top-tier private health insurance (including dental and psychological services).
- 25 days of vacation plus your birthday off, with flexible vacation options—no blackout days!
Unique Perks
- If you wish to come, in our office in Barcelona you’ll find it coplete with free coffee, fresh fruit, snacks, a game room, and a rooftop terrace with stunning Mediterranean views.
- Additional benefits include ticket restaurant and nursery vouchers, paid directly from your gross salary.
Join us in an environment where you’re free to innovate, learn, and grow alongside passionate professionals. At Leadtech, you’ll tackle exciting challenges and be part of a vibrant team dedicated to delivering exceptional user experiences
Sounds good? Apply now! We’re looking forward to getting to know you.
Equal Employment Opportunity Employer:
Leadtech is an Equal Employment Opportunity (EEO) Employer, which means we encourage applications from people with different backgrounds, interests, and personal circumstances. Our team welcomes applicants regardless of their race, gender, age, religion, nationality, sexual orientation, and/or disabilities. All we need is your high energy, skills, and willingness to be a part of a great project!
Location
You’ll have the flexibility to choose whether you’d like to come to the office every day, from time to time, or work fully remote. We want you to find the best combination for you.
If you prefer to be surrounded with amazing people, our exceptional office is in Barcelona’s Blue Building, located right on the city’s seafront. Besides our stunning views, you’ll enjoy our office perks such as free fruit, snacks, and coffee and you’ll also be able to take part in our Mario Kart and table tennis competitions.
The personal data you provide will be processed in order to manage your candidacy for the corporate selection processes that fit your profile. If you wish, you can exercise your rights of access, rectification or cancellation by writing to our address (Avenida Litoral, 12-14, 5ta planta. Barcelona. 08005) or to the email address [email protected], attaching to your request a document that can validate your identity.
