Senior Machine Learning - LLM Systems Engineer (f/m/x)

Senior Machine Learning - LLM Systems Engineer (f/m/x)

Miejsce pracy: Bydgoszcz

Technologies we use

Expected

• Python
• C++
• CUDA
• Distributed ML Systems

Optional

• Triton
• Kubernetes

About the project

Join Sii and play a key role in delivering enterprise-class AI platforms to international clients. As a Senior Machine Learning / LLM Systems Engineer, you will be responsible for scaling and optimizing large-scale ML and LLM systems. You will collaborate with cross-functional teams and support strategic AI and infrastructure initiatives across the organization.

Your responsibilities

• Scaling ML and LLM models across multi-node, multi-accelerator clusters
• Optimizing latency, throughput, and resource efficiency of ML workloads
• Designing and operating distributed training and inference systems
• Benchmarking and profiling AI workloads on real hardware platforms
• Identifying and resolving system-level performance bottlenecks

Our requirements

• Minimum 5 years of experience with LLM models and Machine Learning workloads
• Strong experience with machine learning in production environments
• Hands-on work with large-scale distributed ML systems
• Low-level optimization skills in C++, CUDA, or similar technologies
• Proven ability to analyze and improve ML system performance
• Solid Python skills with an understanding of system-level performance
• Very good English skills, both spoken and written

What we offer

• Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
• Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
• We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
• Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
• Comfortable workplace – class A offices or remote work
• Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
• PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
• Investment in your growth – meetups, webinars, training platform and technology blog – you choose
• Fantastic atmosphere created by all Sii Power People

Recruitment stages

• Send your CV
• Talk to us about your expectations
• Learn more about our projects and choose the best
• Start your adventure with Sii!

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.

Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.