Senior MLOps/Backend Developer

Job Overview

Wargaming’s AI Center of Excellence is building a scalable Generative AI platform, integrating LLMs, multimodal models, and RAG-based systems into live game products. We are looking for an engineer who can design reliable infrastructure, develop robust backend services, and enable seamless deployment of AI solutions into production environments.

Reports to

Head of AI Center of Excellence

What will you do?

• Develop and maintain MLOps pipelines, including CI/CD, batch inference, and data ingestion
• Design and implement backend services: APIs, microservices, gateways, and middleware
• Build and optimize Retrieval-Augmented Generation (RAG) pipelines using tools like LangChain, FAISS, or Qdrant
• Integrate LLMs and ML models into game services (chat, asset generation, video, analytics)
• Maintain and scale production infrastructure based on Kubernetes, Docker, and AWS or GCP
• Ensure platform reliability and performance through observability, automation, and infrastructure as code
• Optimize real-time inference pipelines for latency and resource efficiency
• Collaborate closely with ML engineers, backend developers, and game teams

What are we looking for?

• 3–5 years of experience as an MLOps or Backend Engineer
• Strong knowledge of Python or Golang
• Hands-on experience with Kubernetes, Docker, Terraform, and CI/CD tools
• Deep understanding of API and microservice architecture for high-load systems
• Experience with RAG architectures, vector databases, LangChain or LlamaIndex
• Familiarity with observability and DevOps practices (e.g., Prometheus, Grafana)
• Upper-Intermediate English or higher (written and spoken)

What additional skills will help you stand out?

• Experience in game development or multimedia applications
• Knowledge of MLflow, Kubeflow, or SageMaker
• Proven track record of deploying AI services at scale
• Advanced Russian would be a plus

Work mode

Hybrid/Remote (from anywhere within the European time zone)

Benefits

Benefits and perks are tailored to the local market and culture. Our benefits in Warsaw include:

• Additional paid time off (5 Personal Days, Birthday Leave) on top of the statutory minimum
• Sick Leave 100% Compensation (10 days per calendar year)
• Career development and education opportunities within the company
• Premium Private Health Care
• Mental well-being program (iFeel)
• Multisport card
• Personal Gaming Account
• Company events
• Seniority Awards
• Referral program - you can recommend the best talents to the Company and receive a reward

Please submit your CV in English to ensure smooth processing and review.