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Open Systems Technologies

Data Scientist

Hybrid

Reston, United states

$ 65 /hour

Freelance

13-01-2026

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Skills

Communication Python SQL Data Visualization Statistical Analysis Big Data Data Governance Stakeholder Management Problem-solving Attention to detail Effective Communication Machine Learning PyTorch Scikit-Learn TensorFlow Azure AWS Marketing Numpy Pandas Analytics Analytical Thinking GCP Data Science Hadoop Spark Mathematics

Job Specifications

Key Responsibilities

• Collect, clean, and preprocess large datasets from multiple sources.

• Apply statistical analysis and machine learning techniques to solve business problems.

• Build predictive models and algorithms to optimize processes and improve outcomes.

• Develop dashboards and visualizations to communicate insights effectively.

• Collaborate with cross-functional teams (Product, Engineering, Risk, Marketing) to identify opportunities for leveraging data.

• Ensure data integrity, security, and compliance with organizational standards.

• Stay current with emerging technologies and best practices in data science and AI.

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Required Qualifications

• Bachelor’s or Master’s degree in Data Science, Computer Science, Statistics, Mathematics, or related field.

• Strong proficiency in Python, R, SQL, and experience with data manipulation libraries (e.g., Pandas, NumPy).

• Hands-on experience with machine learning frameworks (e.g., scikit-learn, TensorFlow, PyTorch).

• Solid understanding of statistical modeling, hypothesis testing, and data visualization.

• Experience with big data platforms (e.g., Spark, Hadoop) and cloud environments (AWS, Azure, GCP).

• Excellent problem-solving skills and ability to communicate complex concepts clearly.

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Preferred Qualifications

• Experience in risk modeling, financial services, or product analytics.

• Knowledge of MLOps and deploying models in production.

• Familiarity with data governance and compliance frameworks.

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Soft Skills

• Strong analytical thinking and attention to detail.

• Ability to work independently and in a team environment.

• Effective communication and stakeholder management skills.

About the Company

Open Systems Technologies is a tier-one vendor for the world's most competitive financial and technology companies, offering both full-time and contract recruiting services across the country. We offer a positive, entrepreneurial, high performing culture where all employees have the unique opportunity to run a full desk. Our office looks, feels, and operates like a start-up, but with the stability, clientele, and resources that only an industry veteran can provide. At our core, we are structured to be flexible. With over 3... Know more