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Scientist Python Jobs in McLean, VA (NOW HIRING)

WorkNovas LLC

Python Developer

Mclean, VA · On-site

$50.75 - $70/hr

Developer Python Location: McLean, VA - Fully onsite Assignment Type: Contract Only Duration: 6 ... Bachelor's degree in computer science or related field. Preferred Skills: * Work independently ...

SES

Gen AI/Python Developer

Reston, VA · On-site

$52.25 - $72/hr

Python * Gen AI * SQL * AWS Data Services * LLM * ML * Sagemaker * Bedrock Top 3 Soft Skills ... Bachelor s degree in Computer Science, Data Science, Finance, or a related field Jake Lutman ...

Castalia Systems

Senior Data Scientist

Washington, DC · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Develop and maintain Python-based data processing and analytical workflows to support mission ... Document data science methodologies, model performance, analytical assumptions, and results to ...

Castalia Systems

Senior Data Scientist

Arlington, VA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Develop and maintain Python-based data processing and analytical workflows to support mission ... Document data science methodologies, model performance, analytical assumptions, and results to ...

Castalia Systems

Senior Data Scientist

Arlington, VA · On-site

$104 - $150/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Develop and maintain Python-based data processing and analytical workflows to support mission ... Document data science methodologies, model performance, analytical assumptions, and results to ...

TiltEdge Solutions LLC

Python Developer

West Mclean, VA · On-site

$65 - $70/hr

Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience). * 5+ years of professional experience as a Python developer. * 3+ years of experience with PostgreSQL ...

Palnar

Sr. Python Data Engineer

Mclean, VA · On-site

Python, Java, Spark, SQL, Databricks, RESTful APIs, AWS Glue, ECS S3 The role is to continue to ... take the models built by our data science team and make them production ready and scalable.

CREATIVE GLOBAL CONSULTING

Python Developer

Washington, DC · On-site

$57 - $78.50/hr

Python Developer Client: Department of Defense POP: 12+ months Location: Hybrid - Pentagon US ... Bachelor's degree in Computer Science, Information Systems, Engineering, Business, or a technical ...

Mindlance

Lead Python Developer

Mclean, VA · On-site

$143K - $176K/yr

... Life Sciences, IT, and Financial Services sectors, feel free to check us out at . I am really ... Python Developer Lead/ Python Developer Professional (2 roles) Location: McLean, VA (Hybrid On-site ...

Palnar

Sr. Python Developer

Mclean, VA · On-site

$123K - $166K/yr

Master's degree in Computer Science, Software Engineering or related technical field Demonstrated knowledge of: * Python, Pandas and other popular Python libraries * Java * Testing frameworks such as ...

WorkNova LLC

Python Developer

Reston, VA · On-site

$52.25 - $72/hr

Python Developer with AWS Reston, VA, 3 days onsite in a week Need to go for F2F interview ... Computer Science, Information Systems or related field Yes Post-graduate degree desired Yes ...

Ampcus Inc

Python Full Stack Developer

Mclean, VA · On-site

... Science, Software Engineering or a related field • In-depth understanding of the Python software development stacks, ecosystems, frameworks and tools such as Numpy, Scipy, Pandas, Dask, spaCy, NLTK ...

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Showing results 21-40

All JobsScientist Python JobsScientist Python Jobs in McLean, VA

Scientist Python information

See McLean, VA salary details

$37.9K

$124.1K

$198.6K

How much do scientist python jobs pay per year?

As of Aug 18, 2026, the average yearly pay for scientist python in McLean, VA is $124,071.00, according to ZipRecruiter salary data. Most workers in this role earn between $99,600.00 and $137,500.00 per year, depending on experience, location, and employer.

What does a Scientist Python do?

A Scientist Python, often referred to as a Python Scientist or Data Scientist specializing in Python, uses the Python programming language to analyze data, build predictive models, and solve scientific or business problems. They work with large datasets, apply statistical and machine learning techniques, and create visualizations to interpret results. Their work often involves writing code to clean, manipulate, and analyze data efficiently. Python's extensive libraries, such as Pandas, NumPy, and SciPy, make it a popular choice for scientific computing and data science tasks.

What are the key skills and qualifications needed to thrive as a Scientist Python?

To thrive as a Scientist Python, you need strong programming skills in Python, a solid background in scientific methods or data analysis, and typically an advanced degree in a relevant field such as computer science, physics, or biology. Experience with data analysis libraries (e.g., NumPy, pandas, SciPy), machine learning frameworks (e.g., scikit-learn, TensorFlow), and version control systems is commonly required. Critical thinking, effective communication, and problem-solving abilities help distinguish top performers in this role. These skills enable efficient data-driven research, reproducible scientific workflows, and successful collaboration in multidisciplinary environments.

How does a Scientist Python typically collaborate with other team members during research and development projects?

Scientist Python professionals frequently work in multidisciplinary teams, collaborating closely with data scientists, domain experts, and software engineers. They are often responsible for developing and implementing Python-based models or algorithms, then integrating their work with broader research goals or product pipelines. Regular communication, code reviews, and shared documentation are common practices to ensure alignment and reproducibility. This collaborative environment offers opportunities to learn from peers and contribute to diverse projects, fostering both technical and professional growth.

What is the difference between Scientist Python vs Data Analyst Python?

AspectScientist PythonData Analyst Python
Required CredentialsBachelor's or Master's in Science, Data Science, or related fields; Python proficiencyBachelor's in Statistics, Data Analysis, or related fields; Python skills
Work EnvironmentResearch labs, R&D departments, tech companiesBusiness intelligence teams, marketing, finance departments
Employer & Industry UsageResearch institutions, tech firms, healthcareCorporate, finance, retail, marketing
Common Search & ComparisonYesYes

Scientist Python and Data Analyst Python roles share similar skills like Python programming and data handling. However, Scientists typically focus on research, experimentation, and developing new models, often working in research-heavy environments. Data Analysts concentrate on interpreting existing data to inform business decisions, working mainly in corporate settings. Both roles require strong analytical skills and Python expertise, but their focus and work environments differ significantly.

How much do Python data scientists make?

Python data scientists typically earn a median salary ranging from $90,000 to $130,000 annually, depending on experience, location, and industry. Advanced skills in machine learning, data analysis, and proficiency with tools like Pandas and TensorFlow can lead to higher compensation.

What are 10 careers related to Python?

A Python-focused scientist can pursue careers such as data scientist, machine learning engineer, data analyst, software developer, automation engineer, research scientist, bioinformatics specialist, quantitative analyst, AI engineer, and backend developer. These roles often require strong programming skills, knowledge of libraries like NumPy and Pandas, and experience with data analysis or software development environments.

Which scientist Python job is in demand?

Data scientist and machine learning engineer roles that require Python skills are currently in high demand across industries. These positions often seek proficiency in libraries like Pandas, NumPy, and TensorFlow, and may require experience with data analysis, modeling, and cloud platforms. Strong programming skills and relevant certifications can improve job prospects in this field.

What are popular job titles related to Scientist Python jobs in McLean, VA?

For Scientist Python jobs in McLean, VA, the most frequently searched job titles are:

What job categories do people searching Scientist Python jobs in McLean, VA look for?

The top searched job categories for Scientist Python jobs in McLean, VA are:

What cities near McLean, VA are hiring for Scientist Python jobs?

Cities near McLean, VA with the most Scientist Python job openings:

Scientist Python jobs near you
Infographic showing various Scientist Python job openings in McLean, VA as of August 2026, with employment types broken down into 1% Internship, 87% Full Time, 4% Part Time, and 8% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $124,071 per year, or $59.6 per hour.

Python Developer

WorkNovas LLC

Mclean, VA • On-site

$50.75 - $70/hr

Contractor

Re-posted 9 days ago

Job description

Developer Python

Location:  McLean, VA – Fully onsite 

Assignment Type:  Contract Only 

Duration: 6 plus months

Must Have Qualifications: Must have 5+ years of experience in software development using Python. Must be strong in both front end and back end. Knowledge and strong understanding of architecture design patterns and principles is required. Must have experience working with popular Python frameworks, such as Django, FAST API, and python libraries.

Interview Information:  In-person required

. 

JOB DESCRIPTION - Modeler Developer Python -

The position requires knowledge of model coding using Python to build out the financial forecasting models.  Knowledge of coding of other financial model languages preferred.

Responsibilities:

• Work closely with Model Implementation and I&CM BTO support teams to support technology delivery activities in support of Data Transformation Program.

• Play a key role in analyzing and converting complex SQL queries to align with new data sources, supporting large-scale data migrations, and ensuring seamless data integration across multiple systems.

• Update and or build applications to source securitization data from data warehouses.

• Support and execute data migration activities, ensuring data integrity and accuracy.

• Work with Snowflake for data warehousing, migration, and advanced analytics. Basic Requirements:

• 5+ years of Python and coding experience is a must.

• 5+ years of hands-on experience with SQL, including complex query analysis and optimization.

• 3 years of experience in integrating with Snowflake APIs for data extraction and manipulation.

• 5-10 years of IT experience in design, development, integration and testing of software solutions based on Python, REST Webservices, and web development.

• 5-10 years of experience with relational databases including Sybase, SQL Server, and MySQL. Good knowledge and experience with database technologies such as SQL and NoSQL

• Demonstrated ability to analyze and join large datasets across multiple sources.

• 5 years of experience with managing, building, and deploying code through tools including Jira, GIT, Bitbucket, Gradle, Linux, Docker, and Jenkins.

• 5 years of experience designing and executing unit tests using python testing framework based on business requirements and functional specifications.

• Automation Testing: Pytest, Unitest, Monkey patch, pytest-mockito etc.

• 5 years of experience with popular Python frameworks such as Django, and FAST API.

• In-depth understanding of the Python software development stacks, ecosystems, frameworks and tools such as Numpy, Scipy, Pandas, sci-kit-learn.

• Build CI/CD Tools: gradle, Jenkins, git, Conda, pip, Jira, Gitlab, Confluence

• Bachelor’s degree in computer science or related field.

Preferred Skills:

• Work independently contributing to the success of assigned project(s).

• Collaborate with cross-functional teams including data architects, business analysts, and project managers.

• Demonstrated business acumen, problem solving skills, intellectual maturity, and relationship management skills.

• Prior Freddie Mac experience and understanding Corporate Data Warehouse is a plus.

• Experience with ETL tools and data pipeline orchestration