Citian
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Citian is a fast growing, venture backed SaaS technology company based in Washington, DC. Our software solutions revolutionize how our transportation systems – roads, rail, transit, bicycle, pedestrian – operate.
Our tech solutions:
Reduce traffic fatalities
Enhance pedestrian accessibility
Empower system operators to save time & money
You’ll work with some of the brightest minds in the software and transportation industries. Our software engineers and data scientists apply the latest in emerging tech, Artificial Intelligence, and Machine Learning to build smarter, more advanced tools for our diverse client base. We work with clients across the United States, with global ambitions in the years ahead.
Who You Are Citian is seeking a Transportation Data Scientist who will play a crucial role in developing and implementing state‑of‑the‑art machine learning models for use cases in traffic safety, mobility, and city planning. The ideal candidate will exhibit excellent knowledge of the data science and data engineering disciplines with transportation industry experience, including working with large datasets in a Python/SQL environment. You have at least 3+ years of data science experience and NLP. You will collaborate with cross‑functional teams to enhance our products and services, driving innovation and providing actionable intelligence to meet business goals. If you are passionate about data and are eager to contribute to the success of a startup, we would love to hear from you.
Responsibilities
Model Development: Develop and optimize data science models to process, analyze, and extract information from varying data sources, particularly textual.
Machine Learning and AI: Apply machine learning and artificial intelligence techniques to build predictive and prescriptive models.
Data Preprocessing: Clean, preprocess, and transform large datasets to prepare them for analysis and model training.
Feature Engineering: Identify and engineer relevant features to enhance model performance and accuracy.
Model Deployment and Evaluation: Design and implement robust evaluation metrics and frameworks to assess and monitor the performance of machine learning models.
Collaboration: Work closely with cross‑functional teams, including engineers, product managers, and domain experts, to understand business requirements and deliver data science solutions that meet those needs.
Research: Stay updated on the latest advancements in NLP and AI research and apply them to real‑world problems as needed.
Embrace the startup mentality by wearing multiple hats and stepping outside traditional job roles as needed. Your versatility and willingness to take on diverse responsibilities will be key to our success in a dynamic and evolving landscape.
Qualifications
Bachelor's in Computer Science, Data Science, or a related field
3+ years of experience in machine learning, artificial intelligence, and data science ideally within the transportation industry
Strong knowledge of Python, SQL, Python data science libraries (Pandas, Numpy, Scikit‑learn, etc.), and Python NLP libraries (NLTK, SpaCy, etc.)
Strong knowledge of machine learning techniques, NLP and AI algorithms
Experience working with geospatial data (SQL PostGIS, Python GeoPandas, ArcToolbox Deep Learning, etc.)
Experience with transformers and LLMs (HuggingFace, GPT, PyTorch, TensorFlow, etc.) and cloud infrastructure platforms such as Snowflake and AWS
Demonstrated ability to work in a collaborative team environment
Excellent communication and data storytelling skills
Strong problem‑solving and analytical skills
Your Citian Advantage
Opportunity to gain valuable experience and make a significant impact in a fast growing, venture‑backed tech startup
Competitive salary and benefits package including medical, dental, and vision insurance and generous paid time off.
401(k) company match and monthly commuter transportation benefit
On‑site gym and free snacks in the office
High‑growth potential and opportunities for advancement and more!
Diversity and Inclusion Citian is an organization committed to diversity and inclusion to drive our business results and create a better future every day for our diverse employees, clients, partners, and communities. We believe a diverse workforce allows us to match our growth ambitions and drive inclusion across the business. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin or protected veteran status and will not be discriminated against on the basis of disability. Equal Opportunity/Affirmative Action Employer Minorities/Females/Protected Veterans/Persons with Disabilities.
Employment Details
Seniority level: Mid‑Senior level
Employment type: Full‑time
Job function: Engineering and Information Technology
Industries: Technology, Information and Internet
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Citian is a fast growing, venture backed SaaS technology company based in Washington, DC. Our software solutions revolutionize how our transportation systems – roads, rail, transit, bicycle, pedestrian – operate.
Our tech solutions:
Reduce traffic fatalities
Enhance pedestrian accessibility
Empower system operators to save time & money
You’ll work with some of the brightest minds in the software and transportation industries. Our software engineers and data scientists apply the latest in emerging tech, Artificial Intelligence, and Machine Learning to build smarter, more advanced tools for our diverse client base. We work with clients across the United States, with global ambitions in the years ahead.
Who You Are Citian is seeking a Transportation Data Scientist who will play a crucial role in developing and implementing state‑of‑the‑art machine learning models for use cases in traffic safety, mobility, and city planning. The ideal candidate will exhibit excellent knowledge of the data science and data engineering disciplines with transportation industry experience, including working with large datasets in a Python/SQL environment. You have at least 3+ years of data science experience and NLP. You will collaborate with cross‑functional teams to enhance our products and services, driving innovation and providing actionable intelligence to meet business goals. If you are passionate about data and are eager to contribute to the success of a startup, we would love to hear from you.
Responsibilities
Model Development: Develop and optimize data science models to process, analyze, and extract information from varying data sources, particularly textual.
Machine Learning and AI: Apply machine learning and artificial intelligence techniques to build predictive and prescriptive models.
Data Preprocessing: Clean, preprocess, and transform large datasets to prepare them for analysis and model training.
Feature Engineering: Identify and engineer relevant features to enhance model performance and accuracy.
Model Deployment and Evaluation: Design and implement robust evaluation metrics and frameworks to assess and monitor the performance of machine learning models.
Collaboration: Work closely with cross‑functional teams, including engineers, product managers, and domain experts, to understand business requirements and deliver data science solutions that meet those needs.
Research: Stay updated on the latest advancements in NLP and AI research and apply them to real‑world problems as needed.
Embrace the startup mentality by wearing multiple hats and stepping outside traditional job roles as needed. Your versatility and willingness to take on diverse responsibilities will be key to our success in a dynamic and evolving landscape.
Qualifications
Bachelor's in Computer Science, Data Science, or a related field
3+ years of experience in machine learning, artificial intelligence, and data science ideally within the transportation industry
Strong knowledge of Python, SQL, Python data science libraries (Pandas, Numpy, Scikit‑learn, etc.), and Python NLP libraries (NLTK, SpaCy, etc.)
Strong knowledge of machine learning techniques, NLP and AI algorithms
Experience working with geospatial data (SQL PostGIS, Python GeoPandas, ArcToolbox Deep Learning, etc.)
Experience with transformers and LLMs (HuggingFace, GPT, PyTorch, TensorFlow, etc.) and cloud infrastructure platforms such as Snowflake and AWS
Demonstrated ability to work in a collaborative team environment
Excellent communication and data storytelling skills
Strong problem‑solving and analytical skills
Your Citian Advantage
Opportunity to gain valuable experience and make a significant impact in a fast growing, venture‑backed tech startup
Competitive salary and benefits package including medical, dental, and vision insurance and generous paid time off.
401(k) company match and monthly commuter transportation benefit
On‑site gym and free snacks in the office
High‑growth potential and opportunities for advancement and more!
Diversity and Inclusion Citian is an organization committed to diversity and inclusion to drive our business results and create a better future every day for our diverse employees, clients, partners, and communities. We believe a diverse workforce allows us to match our growth ambitions and drive inclusion across the business. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin or protected veteran status and will not be discriminated against on the basis of disability. Equal Opportunity/Affirmative Action Employer Minorities/Females/Protected Veterans/Persons with Disabilities.
Employment Details
Seniority level: Mid‑Senior level
Employment type: Full‑time
Job function: Engineering and Information Technology
Industries: Technology, Information and Internet
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