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Senior Software Engineer (AI Systems Performance)

LUXOFT, A DXC TECHNOLOGY COMPANY
Remote Romania, Romania Posted Oct 26, 2026
Remote

About this role

Project description

A leading semiconductor and high-performance computing company is looking for a software engineer who is passionate about Distributed Inferencing on GPUs and improving the performance of key applications and benchmarks. You will be a member of a core team of incredibly talented industry specialists and will work with the very latest hardware and software technology

Responsibilities

  • We are seeking a software engineer with strong technical expertise in C++/ Python development, solving performance and investigating scalability on multi-GPU, multi-node clusters. He is also passionate about quality assurance, benchmarking, and automation in the AI/ML space. The ideal candidate thrives in both collaborative and independent environments, demonstrates excellent problem-solving skills, and takes ownership in defining goals and delivering impactful solutions.

KEY RESPONSIBILITIES

  • Distributed AI Enablement and Benchmarking: Enable and benchmark AI models on large-scale distributed systems to evaluate performance, accuracy, and scalability.
  • Scalable Systems Optimization: Optimize AI workloads across scale-up (multi-GPU), scale-out (multi-node), and scale-across distributed system configurations.
  • Cross-Team Collaboration: Collaborate closely with internal GPU library teams to analyze and optimize distributed workloads for high throughput and low latency.
  • Parallelization Strategies: Develop and apply optimal parallelization strategies for AI workloads to achieve best-in-class performance across diverse system configurations.
  • Model Infrastructure and Management: Contribute to distributed model management systems, model zoos, monitoring frameworks, benchmarking pipelines, and technical documentation.
  • Performance Monitoring and Visualization: Build and maintain real-time dashboards reporting performance, accuracy, and reliability metrics for internal stakeholders and external users.

Skills

  • Must have

PREFERRED EXPERIENCE:

  • AI Framework Engineering: Hands-on experience with AI inference or serving frameworks such as vLLM, SGLang, and Llama.cpp.

  • KV Cache and Expert Parallelization: Understanding KV cache transfer mechanisms and technologies (e.g., Mooncake, NIXL/RIXL) and expert parallelization approaches (e.g., DeepEP, MORI, PPLX-Garden).

  • Programming and Software Design: Strong C/C++ and Python skills, with experience in software design, debugging, performance analysis, and test development.

  • Large-Scale Distributed Systems: Experience running AI workloads on large-scale, heterogeneous compute clusters.

  • Cluster and Orchestration Systems: Familiarity with cluster management and orchestration platforms such as SLURM and Kubernetes (K8s).

  • Development Tools and Workflows: Experience with GitHub, Jenkins, or similar CI/CD tools and modern development workflows.

  • Nice to have

ACADEMIC CREDENTIALS:

  • Master’s or PhD degree in Computer Science, Computer Engineering, or a related field, or equivalent practical experience.

  • Other

  • Languages

  • English: C1 Advanced

  • Seniority

  • Senior

  • Remote

  • Romania, Romania

  • Req. VR-125691

  • C/C++

  • Automotive Industry

  • 26/10/2026

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