Python Infrastructure Engineer (AI/LLM Platform)

Remote

  • 💫 Fully remote, B2B contract

  • 💫 Preferred locations: Georgia, Poland, Kazakhstan, Moldova, Serbia (we are also open to considering other locations)

  • ⚠️No Russia, Belarus

SiriusOne (siriusone.com) is a software development company specializing in AI, CyberSecurity, and VR/AR domains. We collaborate closely with clients to create digital products that enhance business performance and provide a competitive edge. Our end-to-end development services ensure reliable, scalable, and high-impact solutions, leveraging cutting-edge technologies to drive innovation.

We are currently looking for a Senior Python Infrastructure Engineer (AI/LLM Platform) to join a project for one of our key clients a leading company focused on developing advanced AI models and large-scale intelligent systems. We expect the candidate to have a startup mindset – move fast, ready for pivoting, while building a reliable infrastructure.

Responsibilities:

  • Develop ML infrastructure (backend for LLM inference, compute and code execute services);

  • Implement new tools for our internal clients;

  • Maintain the platform;

  • Develop technical documentation;

  • Gather requirements from our internal ML teams and offer optimal solution balancing different use cases;

  • Be the part highly skilled MLOps engineers;

  • Collaborate with users of LLM models Solution Engineers, ML Engineers to provide them with the best ml services and tools

Requirements:

  • 5+ years experience as Software Engineer (primarily Python);

  • Experience in infrastructure or backend development;

  • Experience with C/C++: memory management and debugging, understanding of build systems (CMake/Make), ability to work with low-level code;

  • Interest in working on internal infrastructure and MLOps;

  • Ability to design solutions and maintain ML infrastructure;

  • English language B2 or higher.

Nice to have:

  • Understanding of instruments and practices for LLM training and inferencing;

  • Experience with ML infrastructure;

  • Familiar with popular DevOps tools: Kubernetes, Docker, Terraform;

  • Knowledge of how to work with Spark (Databricks);

  • Experience in working with Airflow (or there's ETL orchestration tools) and DBT;

  • Experience integrating Python services with C/C++ modules is a plus;

  • Familiarity with Java or other JVM languages is a plus

Published on: 12/17/2025

SiriusOne

SiriusOne

SiriusOne delivers cutting-edge AI, machine learning, and custom software development services. End-to-end solutions from concept to deployment.

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