Senior AI/ML Engineer

TL;DR

Senior AI/ML Engineer: Designing, building, and deploying production-grade machine learning systems at scale with an accent on influencing architecture, roadmap, and best practices for AI/ML across the organization. Focus on building AI agent systems and multi-step workflows, and fine-tuning encoder-based and generative models.

Location: Belgrade, Cluj-Napoca, Dnipro, Kharkiv, Krakow, Kyiv, Larnaca, Lodz, Lublin, Lviv, Monterrey, Montevideo, Odesa, Remote.AR, Remote.Brazil, Remote.Bulgaria, Remote.Colombia, Remote.Poland, Riga, Rosario, Sofia, Varna, Warsaw, Wroclaw

Company

Our client is a leading corporation specializing in innovative technology solutions for the insurance industry.

What you will do

• Build AI agent systems and multi-step workflows using LangGraph
• Fine-tune encoder-based models and generative models for production
• Develop production Python applications with FastAPI/Flask that interact with AI models
• Design agentic workflows with tool usage, memory, and state management
• Deploy and monitor ML models in production environments

Requirements

• 4+ years ML/AI experience with strong Python software engineering skills
• Expertise in fine-tuning encoder models (BERT, RoBERTa) and working with LLMs
• Experience with LangGraph, AI agents, and multi-step reasoning systems
• Proficiency building production APIs and web applications (FastAPI, Flask, Django)
• Experience with PyTorch/TensorFlow, Hugging Face, vector databases, and RAG
• Experience with cloud platforms (AWS/GCP/Azure) and containerization (Docker)
• Understanding of MLOps tools and production ML systems

Nice to have

• Master's or PhD in Computer Science, ML, or related field
• Multi-agent systems and agent communication experience
• Advanced prompting techniques and reasoning patterns
• Publications or open-source contributions in AI/ML
• Experience scaling AI systems to high-traffic production environments

Culture & Benefits

• Vacation as per the laws of your country.
• Health insurance policy.
• 10 days of sick pay without a doctor's note.
• Time off for state holidays according to the official calendar.
• Pleasant environment with corporate parties and team get-togethers.
• Comfort service for solving technical and everyday problems at work.