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Pawel SawickiPS

Pawel Sawicki

Machine Learning Engineer & Applied Researcher

€720/day
Berlin, DE
8-15 years

Average response time: 1 hour

About Pawel

MACHINE LEARNING ENGINEER & APPLIED RESEARCHER

Machine Learning Engineer with 10+ years of experience building production-grade ML systems as well as enterprise software, while contributing to applied research in distributed systems, optimization, and computer vision.

Specialized in:

● Fine-tuning Small Language Models (SLMs)
● Data engineering, augmentation, and distillation
● Parameter-efficient fine-tuning (LoRA, QLoRA)
● Text-to-Speech (TTS) and Speech-to-Text (STT) model fine-tuning
● Model quantization and inference optimization
● Computer Vision and Context aware systems
● Distributed systems and resource-aware scheduling

Strong background in both academic research and industrial ML deployment.
  • German

    Native or bilingual

  • English

    Fluent

  • Polish

    Native or bilingual

Can work on-site
Berlin (up to 50km)

Experience

  • TuneTrain.ai
    Co-Founder
    January 2025 - Today (1 year and 6 months)
    Berlin, Germany
    Platform for fine-tuning Small Language Models (SLMs) on
    augmented datasets.

    Responsibilities and contributions:
    - Designed Axolotl-based fine-tuning pipelines (LoRA / QLoRA)
    - Built workflows to expand 50–200 seed samples into structured instruction datasets
    - Implemented data augmentation and distillation strategies
    - Deployed models using vLLM on GPU infrastructure
    - Investigated latency and performance trade-offs across FP16 and quantized models (Q4_K_M, Q5_K_M)
    LLM Microsoft Azure Python Pytorch Transformers
  • Pawel Sawicki
    Independent Machine Learning Engineer & Software Architect
    January 2014 - Today (12 years and 6 months)
    • ● Designed and implemented data pipelines supporting ML workflows
    • ● Data engineering and dataset preparation for model training
    • ● Data augmentation strategies for domain-specific applications
    • ● Fine-tuning Small Language Models (SLMs) for agentic systems
    • ● Fine-tuning Text-to-Speech (TTS) models
  • German Aerospace Center (DLR),
    Research Associate
    January 2014 - December 2014 (11 months)
    38 Braunschweig, Germany
    • ● Constraint-based simulation
    • ● Distributed system interoperability
    • ● Automated test scenario generation

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Education

  • Trainer & Consultant
    2026
    Trainer & Consultant
  • Dipl.-Informatiker (Diploma in Computer Science)
    Technische Universität Berlin
    Dipl.-Informatiker (Diploma in Computer Science)

Skill set

Categories