Alex S.

Key Skills

Software

Don't disclose

OneForma

Clickworker

Top Subject Matter

LLM evaluation and content moderation quality assurance (English, US consumer personas)

Synthetic data generation

localization review

Top Data Types

Text

Audio

Document

Top Task Types

Prompt + Response Writing (SFT)

Red Teaming

Text Generation

Freelancer Overview

Senior AI Content Evaluator & Quality Assurance Specialist (Welocalize). Brings 8+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Don't disclose, OneForma, and Clickworker. Education includes Bachelor of Arts, Rutgers University (2022) and High School Diploma, McNair Academic High School (2018). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Prompt + Response Writing (SFT).

Labeling Experience

Senior AI Content Evaluator & Quality Assurance Specialist (Welocalize)

Don't discloseText

Led qualitative evaluation and grading of complex multi-turn AI-generated English text outputs against helpfulness, honesty, truthfulness, and safety criteria. Produced evidence-backed preference justifications to support iterative fine-tuning of frontier LLMs and drove down hallucination behavior via secondary research and validation. Performed adversarial red-teaming to surface edge cases, biases, and security vulnerabilities in generated text. • Helpfulness/honesty/truthfulness/safety scoring and qualitative rubrics • Evidence-backed model preference rationales for training loops • Adversarial testing (red-teaming) for failure modes • Hallucination and claim verification across regional datasets

2024 - Present

Linguistic Data Annotator & Core Content Writer (OneForma / Centific)

OneFormaTextPrompt + Response Writing (SFT)

Authored and curated over 1,500 high-complexity synthetic prompts and comprehensive multi-turn conversations spanning creative, technical, legal, and everyday dialogue. Reviewed and localized machine-translated and AI-generated marketing content to ensure native fluency and precise alignment to target brand voice mappings. Annotated large textual training corpora with precise semantic tags, intent categories, and granular sentiment scores to support supervised training. • Synthetic prompt and multi-turn conversation creation • Localization and brand-voice quality alignment checks • Semantic tag/intent/sentiment annotation for training corpora • QA against KPIs with high accuracy on prioritized batches

2023 - 2024

AI Training Specialist & Linguistic Reviewer (Clickworker)

ClickworkerTextRed Teaming

Trained and reviewed generative text models by performing high-volume content moderation and toxic-language filtering for enterprise-oriented workflows. Identified and corrected grammatical, syntactic, logical, and factual errors present in model-generated training sets. Composed 300+ gold-standard target responses to serve as ground truth during supervised fine-tuning baselines. • Content moderation and toxicity filtering • Structural and factual quality review for training sets • Gold-standard response writing for SFT baselining • Error detection and systematic correction of model outputs

2022 - 2022

Lead Content Writer & Peer Editor (Handshake Peer Network / Rutgers University Writing Center)

TextText Generation

Provided intensive developmental editing, structural critique, and line editing for hundreds of student essays, technical manuscripts, and digital projects within an academic writing center context. Conducted workshops on formal style guides (APA, MLA, Chicago) to ensure citation accuracy and structural fidelity for multiple academic disciplines. Although not direct model-training data, these activities supported high-quality text generation and adherence to rigorous formatting standards. • Developmental editing and structural critique • Line editing for clarity and correctness • Style guide instruction (APA/MLA/Chicago) • Citation accuracy and structural fidelity for academic writing

2020 - 2022

Education

Work History