Senior NLP & AI Security Scientist — Remote

Truelogic; New York (NY); Remote; MXN 2,584,000 - 3,691,000; Full time

Benefits offered by this job

Remote work

USD pay

Paid time off

Autonomy

US projects

Job summary

Truelogic is seeking a Senior Data Scientist to join the core AI team and work hands-on across data curation, model development, evaluation, and optimization. You will help build and improve NLP models that identify potential risks in AI interactions, including sensitive-data exposure, unsafe content, and adversarial prompts.

You will work with modern transformer-based models and large language model technologies while developing high-quality datasets and evaluation processes that support

Qualifications

• 4+ years of professional experience in data science or ML engineering.
• Strong hands-on experience with NLP and transformer-based models.
• Strong Python programming skills.
• Experience with PyTorch, TensorFlow, or similar.
• Experience with libraries and ecosystems such as Hugging Face and scikit-learn.
• Hands-on experience training, fine-tuning, or adapting ML models for real-world applications.
• Experience with NER, tokenization, text classification, or other NLP techniques.
• Strong data preparation and analysis skills using Pandas or similar tools.
• Experience designing model evaluations, benchmarks, and experiments to assess model quality.

Responsibilities

• Build, curate, clean, and maintain datasets for NLP and AI security use cases.
• Generate and augment synthetic datasets using LLMs to cover edge cases.
• Train, fine-tune, and evaluate NLP and transformer-based models for real-time risk detection and classification.
• Develop and improve custom classifiers and NER models for identifying sensitive information.
• Design evaluation pipelines and benchmarks to measure model accuracy, false positives, and performance.
• Experiment with different modeling approaches and improve models as new use cases emerge.
• Optimize models and inference workflows for production environments where speed matters.
• Collaborate with engineering and AI teams to move models into production solutions.
• Analyze model performance and datasets to identify gaps and opportunities.

Skills

NLP

Transformer models

Python

PyTorch

TensorFlow

Hugging Face

scikit-learn

NER

Pandas

Tools

PyTorch

TensorFlow

Hugging Face

scikit-learn

Job description

Truelogic is seeking a Senior Data Scientist to join the core AI team and work hands-on across data curation, model development, evaluation, and optimization. You will help build and improve NLP models that identify potential risks in AI interactions, including sensitive-data exposure, unsafe content, and adversarial prompts.

You will work with modern transformer-based models and large language model technologies while developing high-quality datasets and evaluation processes that support