Serkan Sasmaz

Senior AI Data Operations Consultant Quality Assurance

Salary / Daily rate

Munich, Germany

Mobility: Munich

Freelance, open to permanent contract

Remote only

Skills

CybersecurityLLMs / Large language modelsAISEOSQL QueriesPythonNLP / Natural Language ProcessingData AnalysisTesting & QAAWSMachine LearningTech LeadE-commerce CMSProduct StrategyCanvaProduct MarketingCopywritingProduct ManagementUser ResearchA/B TestingProduct Marketing ManagerWeb AnalyticsGoogle AdsDigital Marketing ManagerNo-code AutomationsArticles CreationSEO SpecialistE-commerce WebsitesWebsitesLearning & DevelopmentWordPressContent CreatorAI EngineerNo-code ApplicationsWebflowProduct ManagerContent Marketing ManagerTalent ManagementRecruitmentFinanceWindowsShopifyContent StrategyCopywriterTalent AcquisitionInternal Audit

Languages

German (Native)English (Native)Turkish (Native)French (Fluent)Korean

About me

Intro

AI Data Operations & RLHF Specialist with 3+ years of experience managing high-volume training pipelines for foundational Large Language Models (LLMs). Possesses a rare combination of Subject Matter Expertise (SME) in STEM (Pharmacy/Chemistry) and Law, enabling precise auditing of complex technical and legal datasets. Expert in Reinforcement Learning from Human Feedback (RLHF), Supervised Fine-Tuning (SFT), and adversarial prompt engineering. Proven ability to lead quality control for large-scale projects, utilizing Python and data analytics to optimize model safety and accuracy for global AI clients.

Links

Work experience

Artificial Intelligence Consultant

CrowdGen

Jan 2025 - Present

1 year 10 months

Munich, Germany

– Developed and analyzed expert-created prompts and AI-generated responses across various fields, enhancing LLM capabilities. – Provided actionable feedback to improve AI models, focusing on creative writing, technical writing, and logical reasoning. – Collaborated remotely with a dynamic team at CrowdGen, contributing to innovative AI solutions in Munich, Bavaria.

AI Subject Matter Expert

RWS Group

Jan 2025 - Present

1 year 10 months

– Multi-Platform Evaluation: Simultaneously managed high-throughput annotation tasks across multiple vendor platforms, demonstrating adaptability and reliability in diverse AI ecosystems. – Technical Validation: Conducted fact-checking and code-based evaluation for specialized AI training datasets, maintaining a 98%+ quality score across all active projects.

Senior AI Data Operations Consultant for Quality Assurance

Outlier

Sep 2024 - Present

2 years 2 months

– Orchestrated Final Quality Control (FQC) for 40+ high-priority Generative AI projects, serving as the final gatekeeper for data accuracy and safety before client delivery. – Executed advanced Reinforcement Learning from Human Feedback(RLHF) workflows, including writing and ranking complex prompts to reduce model hallucinations in medical and legal reasoning tasks. – Led safety audits for computer vision and audio generation models, strictly enforcing US Copyright and DMCA guidelines regarding PII and protected intellectual property.

Senior AI Quality Control Specialist

Feb 2024 - Present

2 years 9 months

Munich, Germany

– Creating and Analysing expert-created LLM prompts and AI-generated response pairs (single-turn/multi-turn). – The various fields include creative writing, technical writing, localized content, mathematical reasoning, logic-based problem-solving, and much more, for developing AI LLM, providing feedback and reviews on how to improve the models.

Welocalize

Jan 2024 - Present

2 years 10 months

Munich, Germany

AI Data Annotation

Feb 2024 - Present

2 years 9 months

Munich, Germany

Lead Data Analyst

Jan 2024 - Present

2 years 10 months

– Data Accuracy: Managed large-scale data annotation workflows for major tech clients. Implemented rigorous QA protocols that increased content accuracy by 80%. – Search Relevance: Analyzed semantic search query data to refine information retrieval algorithms using SQL and Excel analysis tools. – Tooling: Utilized Label Studio and proprietary tools to tag and categorize unstructured data for machine learning training sets.

SEO-Texter für B2B & SaaS

Wortschmiede

Jan 2020 - Present

6 years 10 months

Munich, Germany

– Developed SEO-driven content strategies for SaaS and B2B clients, utilizing data analytics to enhance digital engagement by up to 50%.

Technical Consultant

Jan 2017 - Present

9 years 10 months

– Specialized Translation: Delivered high-precision technical translations (German/English) for the Pharmaceutical and Legal sectors, focusing on clinical trial documentation and regulatory compliance. – Impact: Drafted and edited complex legal documents with a 95% error reduction rate, ensuring strict terminological consistency for corporate clients.


Education

IU-International University

Bachelor, Laws, Banking, Corporate, Finance, and Securities Law

IU Internationale Hochschule

Bachelor, Wirtschaftsrecht

2021 - 2026

5 years 9 months

Ludwig-Maximilians-Universität München

Staatsexamen, Pharmazie

2013 - 2016

3 years 8 months


Licenses & certifications

Einführung in grundlegende Fähigkeiten für Ihre Karriere in der Softwareentwicklung

Issued: –

AWS Generative AI Applications

Issued: –

Google Prompting Essentials

Issued: –

AI Fundamentals

Issued: –

AI for Brainstorming and Planning

Issued: –

The best place to find your next move

© 2026. All Rights Reserved.