Senior ML/AI Engineer (AI)

TL;DR

Senior ML/AI Engineer (AI): Orchestrating LLMs and tools into complex AI workflows with an accent on vector storage, prompt management, and agentic system performance. Focus on building and extending internal products using the LangChain ecosystem and implementing multi-agent systems to solve non-linear problems.

Location: Barcelona, Spain

Company

hirify.global is a global AI-native technology solutions provider that develops AI-powered digital products and platforms for various clients.

What you will do

• Collaborate with data scientists and engineers to orchestrate LLMs into complex AI workflows.
• Implement optimized vector storage and indexing systems for NLP.
• Develop tools and frameworks for prompt management, automated evaluations, and observability.
• Monitor and improve agentic systems performance for accuracy and efficiency.
• Build and maintain data processing pipelines for high volumes of structured and unstructured data.
• Extend internal products on top of the LangChain ecosystem (LangGraph, LangSmith).

Requirements

• Bachelor's or Master's degree in Computer Science, Engineering, Data Science, or a related STEM field.
• 4+ years of industrial experience in a machine learning engineering or data engineering role.
• Strong programming skills in Python.
• Experience deploying LLMs and architecting multi-agent systems utilizing tool-calling and long-term memory.

Nice to have

• Proficiency in AI tools to optimize and augment day-to-day research or process automation.
• Familiarity with AWS, GCP, Docker, and Git version control.
• Experience consuming and integrating APIs in a reliable and secure manner.

Culture & Benefits

• High-impact work environment with a commitment to professional development.
• Flexible and collaborative culture within a vibrant global community.
• Access to global opportunities and total rewards packages based on location.