AI Engineer

About the role

An IT company active in the iGaming industry, with products used in Europe, Africa and Latin America, is hiring an AI Engineer for a full-time position in its office in New Belgrade. The engineer will build, support and maintain a portfolio of AI projects and develop new AI-powered products.

Key responsibilities

• Build and maintain AI-powered products, agents, backend services and integrations across the portfolio.
• Take features from design through implementation, testing, deployment, monitoring and ongoing support.
• Improve reliability, performance and maintainability of existing services and resolve production issues.
• Work with LLM APIs, agent workflows, retrieval, tool integrations and data systems.
• Collaborate with product and business stakeholders to turn requests into deliverables and increase weekly release throughput.
• Help train internal models and bring them into production.

Required profile

• Strong Python engineering and experience building and operating production backend services.
• Hands-on experience building production LLM agents with LangChain or LangGraph, including MCP servers or clients and agent orchestration, with attention to quality, observability and cost.
• Experience designing and integrating production APIs.
• Ability to work across existing codebases, make sound technical decisions and deliver independently while collaborating with others.
• Working proficiency in English.

Required skills

• Docker-based deployments, automated testing and production troubleshooting.
• Plus: data science experience with feature engineering, model evaluation and deployment (e.g. fraud detection or recommendation systems).
• Plus: Django, FastAPI, PostgreSQL, AWS Athena or S3, and RAG.

What we offer

• Competitive salary with annual reviews and rapid career growth.
• Private health insurance and Fit Pass for all employees.
• Power-Up Friday every second week (4 hours off), 25 working days of paid vacation and a flexible schedule.
• Modern office in a new business centre with free fruit and snacks, a playroom with billiards, a tennis table and PlayStation.
• Corporate events, team-building activities and birthday vouchers.