
Serkan Sasmaz
Senior AI Data Operations Consultant Quality Assurance
Salary / Daily rate
Munich, Germany
Mobility: Munich
Freelance, open to permanent contract
Remote only
Skills
Languages
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.
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: –