LLM Engineer
Trexquant Investment LP
PyTorch
機械学習エンジニア、拡散モデル／ビジョン
BJAK
full-time
Posted on:
Location Type: Hybrid
Location: Tokyo • 🇯🇵 Japan
Visit company websiteJob Level
Mid-LevelSenior
Tech Stack
FluxPyTorch
About the role
- Collect, clean, and preprocess user-generated text and image data for fine-tuning large models
- Design and manage scalable data labeling pipelines, leveraging both crowdsourcing and in-house labeling teams
- Build and maintain automated datasets for content moderation (e.g., safe vs unsafe content)
- Collaborate with researchers and engineers to ensure datasets are high-quality, diverse, and aligned with model training needs
- Fine-tune state-of-the-art models, design evaluation frameworks, and bring AI features into production
- Ensure models are safe, trustworthy, and impactful at scale
- Work closely with regional teams across product, engineering, operations, infrastructure and data
- Hybrid work combining flexible remote work and in-office collaboration at HQ
Requirements
- 機械学習や大規模モデルのファインチューニング用データセット準備の実務経験
- テキストおよび画像データにおけるデータクレンジング、前処理、変換スキル
- データラベリングワークフローやラベルデータの品質保証に関する実務経験
- モデレーションデータセット（安全性、コンプライアンス、フィルタリング）の構築・維持経験
- Python、SQL などのスクリプト言語に精通し、大規模データパイプラインの運用経験
- Proven experience preparing datasets for machine learning or fine-tuning large models
- Strong skills in data cleaning, preprocessing, and transformation for both text and image data
- Hands-on experience with data labeling workflows and quality assurance for labeled data
- Familiarity with building and maintaining moderation datasets (safety, compliance, and filtering)
- Proficiency in scripting (Python, SQL) and working with large-scale data pipelines
Benefits
- フラットな組織構造と本当のオーナーシップ
- プロダクト方向性や意思決定への全面的な関与
- 柔軟な勤務形態
- プロダクト・データ・エンジニアリングを横断する高インパクトな役割
- 市場最高水準の給与と成果に基づくボーナス
- グローバルなプロダクト開発への参画機会
- 充実した福利厚生 —— 住宅補助、高品質な社員食堂、残業食事補助
- 健康・歯科・眼科保険
- グローバル旅行保険（本人および扶養家族対象）
- 無制限で柔軟な有給休暇制度
- Flat structure & real ownership
- Full involvement in direction and consensus decision making
- Flexibility in work arrangement
- High-impact role with visibility across product, data, and engineering
- Top-of-market compensation and performance-based bonuses
- Global exposure to product development
- Lots of perks - housing rental subsidies, a quality company cafeteria, and overtime meals
- Health, dental & vision insurance
- Global travel insurance (for you & your dependents)
- Unlimited, flexible time off
ATS Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
data cleaningdata preprocessingdata transformationdata labeling workflowsquality assurancemoderation datasetsPythonSQLlarge-scale data pipelinesfine-tuning large models
