or apply directly on LawZero's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 81 days LawZero's roles stay open a median of 81 days
- Reposted
- No
- Salary listed
- No 0% of LawZero's roles list one
- Ghost-job risk at LawZero
- high 15 stale, 0 reposted of 16 open
- Hiring momentum
- 17 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-23
Measured from postings appearing on and disappearing from LawZero's own greenhouse board since 2026-08-03. Full hiring picture for LawZero.
About this role
The Senior ML Data Processing Developer will be responsible for developing and managing data pipelines that transform raw web-scale data into high-quality datasets for training AI models. This role involves engineering data quality through algorithmic filtering, model-based scoring, and ensuring compliance with data governance policies. The developer will collaborate with research and legal teams to identify data requirements and implement novel data transformations, while also building internal tools for dataset exploration.
- benefits
- 3/5
- freshness
- 1/5
- career value
- 5/5
- role clarity
- 5/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of LawZero as an employer.
What you need
- Degree in computer science, software engineering, or a related field
- 5+ years of experience in data processing, machine learning engineering or Natural Language Processing (NLP)
- Proven track record of handling massive unstructured text datasets (trillion-token scale)
- Hands-on experience with distributed processing frameworks (e.g., Spark, Ray, Flink)
- Strong Python proficiency, including experience writing production-grade data-processing code
- Experience with pipeline orchestration frameworks (e.g., Airflow, Prefect, Dagster)
Nice to have
- Experience training, fine-tuning, or deploying ML models for data-quality tasks
- Familiarity with containerized deployment (Docker, Kubernetes)
- Familiarity with ML experiment tracking tools (e.g. Weights and Biases)
- Experience with data licensing workflows or web-scale data acquisition
- Contributions to open-source data processing or NLP tooling
What you get
- Comprehensive health benefits (including mental health and wellness management account)
- 20 days of vacation per year upon start
- Employer contribution of 4% to your retirement savings, with no required employee match
- Additional compensation totaling 8% of your salary to apply towards additional retirement savings or bonuses
- A collaborative and inclusive work environment in our vibrant office space
Worth weighing
- No salary listed
- Role involves working with complex data governance and compliance requirements
- Responsibilities may vary based on individual experience, skills, and interests
- Position is part of a non-profit organization focused on safe AI systems
Summarised from LawZero's posting. Read the full original.
Listed by LawZero on their greenhouse job board, last confirmed open on 2026-10-23. PitchMeAI is not the employer.
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