Bartlomiej Lukasiewicz

Bartlomiej Lukasiewicz  new_releases

About

Detail

Line Technician | AI Data Specialist | AI Data Annotation
Swinton, England, United Kingdom

Contact Bartlomiej regarding: 
Flexible work
Starting at USD15/hour

Timeline


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Résumé


Jobs verified_user 0% verified
  • Mercor
    Language Specialist
    Mercor
    Mar 2026 - Current (8 months)
    (1 month)
  • U
    Data Annotator
    Uber Al Solutions
    Dec 2025 - Current (11 months)
    Worked on Al data annotation and evaluation projects involving text, audio,
    and video content.

    Key responsibilities:
    • Comparing and analyzing Al-generated outputs across video, audio, and text
    modalities
    • Evaluating content quality, accuracy, and contextual relevance based on
    detailed guidelines
    • Performing side-by-side comparisons of multiple Al model responses
    • Annotating and labeling multimodal datasets to support model training and
    evaluation
    • Conducting quality checks to ensure consistency and high data standards
    • Applying critical thinking to assess edge cases and nuanced content
    scenarios

    This role required strong analytical skills, attention to detail
  • Outlier
    Data Annotator
    Outlier
    Apr 2025 - Current (1 year 7 months)
    Worked on advanced Al training and evaluation projects with a focus on
    Polish-language datasets for large language models (LLMs).

    Key responsibilities:
    • Contributing to and reviewing Polish-language data for LLM training and
    alignment
    • Performing reviewer-level evaluation of Al-generated content, including
    reasoning, accuracy, and instruction adherence
    • Working on Supervised Fine-Tuning (SFT) tasks, including creative writing
    and structured content generation
    • Evaluating and editing model outputs to improve fluency, coherence, and
    linguistic quality in Polish
    • Conducting side-by-side comparisons of multiple Al responses and providing
    structured feedback
    • Ensuring h
  • RWS Group
    Data Annotator
    RWS Group
    Apr 2025 - Current (1 year 7 months)
    Worked on Al training projects focused on data annotation, transcription, and
    multimodal content evaluation.

    Key responsibilities:
    • Transcribing and validating audio data for speech recognition models
    • Annotating image-based datasets using text prompts and detailed
    guidelines
    • Evaluating Al outputs for accuracy, relevance, and instruction adherence
    • Creating and refining prompts to guide Al-generated responses
    • Performing quality checks to ensure consistency and high annotation
    standards
    • Following strict project guidelines and confidentiality requirements

    This role involved working with multimodal Al systems (text, audio, image) and
    required precision, analytical
  • Alignerr
    Data Annotator
    Alignerr
    Apr 2024 - Current (2 years 7 months)
    Worked on advanced Al training projects involving large language models
    (LLMs), audio data, and quality review processes.

    Key responsibilities:
    • Performing detailed annotation and labeling of audio datasets, including fine-
    grained segmentation and metadata tagging
    • Editing, validating, and correcting Al-generated outputs to improve model
    performance
    • Working on LLM-focused projects involving complex instructions, reasoning
    tasks, and domain-specific data
    • Reviewing and auditing annotations produced by other contributors to ensure
    accuracy, consistency, and guideline compliance
    • Providing structured feedback and quality assessments as part of reviewer-
    level responsibili
  • W
    Line Technician
    Westmill | part of Associated British Foods plc
    Oct 2021 - Current (5 years 1 month)
    Worked as a Line Technician responsible for maintaining production line
    efficiency, quality, and safety.

    Key responsibilities:
    • Operating and monitoring production line equipment
    • Performing basic troubleshooting and fault identification
    • Ensuring products met quality and safety standards
    • Following standard operating procedures (SOPs) and health & safety
    regulations
    • Supporting continuous improvement by reporting issues and process
    deviations
    • Collaborating with team members and supervisors to maintain smooth
    production flow

    This role required strong attention to detail, reliability, and the ability to work
    efficiently in a fast-paced environment.
  • M
    Machine Operator
    Müller Milk & Ingredients
    Apr 2014 - Aug 2021 (7 years 5 months)
Education verified_user 0% verified
  • Cisco Networking Academy
    CCNA
    Cisco Networking Academy
    Jan 2016 - Dec 2018 (3 years)