Transportation Data Scientist: ML for Safer, Smarter Mobility

Citian; Washington (District of Columbia); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401(k) with match

On-site gym

Job summary

Citian, a Washington, DC area startup, seeks a Transportation Data Scientist to build NLP-focused models for traffic safety and mobility. You’ll process large datasets, engineer features, and deploy models in a collaborative, fast-moving environment.

The role emphasizes Python/SQL, NLP libraries, geospatial data, and experience with transformers/LLMs in cloud platforms like Snowflake and AWS. A strong team culture and growth opportunities are highlighted.

Qualifications

• 3+ years of data science experience with NLP.
• Strong Python and SQL skills.
• Experience with geospatial data handlers and ML frameworks.
• Ability to work with large datasets and communicate insights.

Responsibilities

• Model development and optimization for textual data.
• Apply ML/AI techniques to predictive and prescriptive problems.
• Data preprocessing and feature engineering at scale.
• Evaluate models with robust metrics and monitoring.
• Collaborate with engineers, PMs and domain experts.
• Stay updated on NLP/AI research and apply findings.

Skills

Data science

NLP

Python

SQL

Communication

Problem solving

Education

Bachelor's in CS/Data Science

Tools

PostGIS

GeoPandas

ArcToolbox

PyTorch

TensorFlow

Snowflake

AWS

Job description

Citian, a Washington, DC area startup, seeks a Transportation Data Scientist to build NLP-focused models for traffic safety and mobility. You’ll process large datasets, engineer features, and deploy models in a collaborative, fast-moving environment.

The role emphasizes Python/SQL, NLP libraries, geospatial data, and experience with transformers/LLMs in cloud platforms like Snowflake and AWS. A strong team culture and growth opportunities are highlighted.