Senior Software Engineer (AI Systems Performance)

About the role

A leading semiconductor and high-performance computing company is looking for a software engineer focused on distributed inference on GPUs and on improving the performance of key applications and benchmarks. The role is remote, based in Poland, and sits within a core team of industry specialists working with the latest hardware and software. The position is advertised as a senior role.

Key responsibilities

• Enable and benchmark AI models on large-scale distributed systems to evaluate performance, accuracy and scalability.
• Optimize AI workloads across scale-up (multi-GPU), scale-out (multi-node) and scale-across configurations.
• Work with internal GPU library teams to analyze and optimize distributed workloads for high throughput and low latency.
• Develop and apply parallelization strategies for AI workloads.
• Contribute to distributed model management systems, model zoos, monitoring frameworks, benchmarking pipelines and technical documentation.
• Build and maintain real-time dashboards reporting performance, accuracy and reliability metrics.

Required profile

• Strong C++ and Python development skills, with experience in software design, debugging, performance analysis and test development.
• Experience running AI workloads on large-scale, heterogeneous compute clusters.
• Understanding of KV cache transfer mechanisms (e.g. Mooncake, NIXL/RIXL) and expert parallelization approaches (e.g. DeepEP, MORI, PPLX-Garden).
• Familiarity with cluster management and orchestration platforms such as SLURM and Kubernetes.
• Experience with CI/CD tools such as GitHub and Jenkins.
• Nice to have: a Master's or PhD in Computer Science or a related field, or equivalent practical experience.

What we offer

• Remote work from Poland, with global relocation options.
• Annual holiday of 20 or 26 days depending on seniority, plus parental, maternity and paternity leave.
• Training through the Luxoft Learning Center, cloud academies and leadership programs.
• Wellness benefits, private healthcare insurance, travel insurance and life insurance.
• Internal mobility between projects and accounts.