Senior Machine Learning Engineer - Agentic Workflow

Vitol is seeking a Senior Machine Learning Engineer / Platform Engineer to design and build a production-grade agentic workflow platform. The ideal candidate will have experience with LLM-based systems, RAG architectures, and cloud engineering on AWS.

Requirements

• Bachelor's or master's degree in computer science, Engineering, or related field
• 6+ years of experience in software engineering, ML engineering, or platform engineering
• Strong proficiency in writing production-grade Python
• Hands-on experience with LLM-based systems, including LangChain / LangGraph, MCP, Langsmith, Claude or comparable frontier models, and AWS AgentCore or comparable agentic frameworks
• Solid understanding of RAG architectures, embeddings, and vector search
• Experience designing and consuming APIs (REST and/or async/event-driven)
• Strong cloud engineering experience on AWS
• Knowledge of how to fine-tune frontier models to specific domain knowledge
• Experience deploying traditional machine learning models into production environments using MLOps tools and best practices
• Knowledge of distributed systems, large-scale model optimization, and API development