Senior Fintech AI Scientist: LLMs & Production ML

Ethereum Technologies; Washington (District of Columbia); On-site; USD 150,000 - 190,000; Full time

Job summary

Ethereum Technologies is seeking a Senior Data Scientist to design, build, and optimize Generative AI and foundation models for enterprise fintech applications. You will fine-tune models, develop NLP and risk analytics capabilities, and lead experiments to ensure accuracy, scalability, and fairness.

Responsibilities include deploying models on cloud ML pipelines (Azure/AWS) and data platforms (Databricks, Snowflake), working with large datasets in payments and finance, and implementing

Qualifications

• Bachelors or Masters in Computer Science, Data Science, ML/AI or related field.
• 5+ years of hands-on experience building and deploying ML models in production.
• Proven expertise with LLMs, transformer architectures, transfer learning, and model fine-tuning.
• Strong proficiency in Python, PyTorch or TensorFlow, and ML libraries such as Transformers.
• Experience with cloud ML platforms, containerization (Docker/Kubernetes), and MLOps tools.
• Solid understanding of statistical modeling, optimization, and evaluation methodologies.

Responsibilities

• Design, build, and optimize Generative AI, LLM, and multimodal foundation models for enterprise fintech applications.
• Fine-tune or adapt open-source and proprietary models; build high-performance models for NLP, document intelligence, and risk analytics.
• Lead experiments to evaluate model accuracy, scalability, and fairness; deploy models on cloud ML pipelines (Azure, AWS) & data platforms (Databricks & Snowflake); work with large-scale datasets in payments/finance.
• Implement model monitoring, drift detection, and retraining strategies; evaluate new AI technologies and responsible AI frameworks.
• Drive POCs and innovation initiatives to enhance AI capabilities and differentiate products.

Skills

Python

PyTorch

TensorFlow

Transformers

MLOps

Cloud Platforms

Docker/Kubernetes

Statistical Modeling

Education

Bachelors or Masters in CS/DS/ML/AI

Tools

Databricks

Snowflake

Azure

AWS

Docker

Kubernetes

Job description

Ethereum Technologies is seeking a Senior Data Scientist to design, build, and optimize Generative AI and foundation models for enterprise fintech applications. You will fine-tune models, develop NLP and risk analytics capabilities, and lead experiments to ensure accuracy, scalability, and fairness.

Responsibilities include deploying models on cloud ML pipelines (Azure/AWS) and data platforms (Databricks, Snowflake), working with large datasets in payments and finance, and implementing