LLM Application Engineer

Overview

Build the intelligence layer for AI experiences by designing LLM applications and agent workflows, integrating models and tools, and improving AI behavior in production.

What you'll do

• Build and ship LLM-powered applications and agent workflows.
• Design systems for reasoning, planning, memory, tool use, and multi-step execution.
• Build orchestration pipelines for predictable, observable, and safe actions.
• Integrate LLMs with APIs, databases, search, internal services, and external tools.
• Develop prompting, context engineering, structured outputs, and tool-calling techniques.
• Build evaluation frameworks and datasets to measure AI quality and regressions.
• Debug and optimize AI systems across model, backend, and product layers.

What you'll need

• Strong software engineering fundamentals and experience building AI-powered applications.
• Hands-on experience with LLMs, generative AI, or agent-based systems.
• Experience designing prompts, workflows, evaluations, or AI behavior.
• Ability to write clean, production-quality code.
• Strong problem-solving skills in ambiguous, fast-moving environments.
• Experience with Python.
• Comfort working across model, system, and product layers.

Details

• Location: Portugal.