Python Infrastructure Engineer (AI/LLM Platform)
💫 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 delivers cutting-edge AI, machine learning, and custom software development services. End-to-end solutions from concept to deployment.
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