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Freelance Junior Data Scientist Jobs (NOW HIRING)

AITHERAS, LLC

Junior Data Scientist

Arlington, VA · On-site

$100K - $120K/yr

Junior Data Scientist / Performance Data Analyst I Location: Washington, DC / Hybrid / Government Facility as Required Clearance / Background: U.S. Citizen required; ability to obtain DOJ Public ...

AITHERAS, LLC

Junior Data Scientist

Arlington, VA · On-site

Junior Data Scientist / Performance Data Analyst I Location: Washington, DC / Hybrid / Government Facility as Required Clearance / Background: U.S. Citizen required; ability to obtain DOJ Public ...

Creative Artists Agency

$86 - $94/hr

The Role The Jr. Data Scientist is a member of a highly motivated CAA Data team responsible for accelerating the creation of opportunity through the strategic use of data across the organization. The ...

New

Lentech Inc

Junior Data Scientist

Fort George G Meade, MD · On-site

$131K - $140K/yr

Lentech is actively interviewing for a JUNIOR Data Scientist * 1+ years of experience in statistics, operations research, or advanced mathematics * Experience with R or Python * Experience using ...

Creative Artists Agency

Jr. Data Scientist

Los Angeles, CA · On-site

$86 - $94/hr

The Role The Jr. Data Scientist is a member of a highly motivated CAA Data team responsible for accelerating the creation of opportunity through the strategic use of data across the organization. The ...

New

Talanto

$88 - $100/hr

The Role • • • • • • • • is hiring a Junior Data Scientist who loves solving problems with data and has strong math, logic, and communication skills. In this role, you'll support data ...

All Native Group

Junior Data Scientist

Arlington, VA · On-site

Summary All Native Group, a division of Ho Chunk Incorporated, is seeking a Junior Data Scientist to support the US Drug Enforcement Agency enterprise data management and analytics program. This role ...

All Native Group

Junior Data Scientist

Arlington, VA · On-site

Summary All Native Group, a division of Ho Chunk Incorporated, is seeking a Junior Data Scientist to support the US Drug Enforcement Agency enterprise data management and analytics program. This role ...

All Native Group

Junior Data Scientist

Arlington, VA · On-site

Summary All Native Group, a division of Ho Chunk Incorporated, is seeking a Junior Data Scientist to support the US Drug Enforcement Agency enterprise data management and analytics program. This role ...

SynergisticIT

Junior Data Scientist

Jacksonville, FL · On-site

... Data Scientists, and Machine Learning engineers. Who Should Apply: Recent Computer science ... it's a junior or entry-level position. The additional skills and project work with hands-on ...

SynergisticIT

Junior Data Scientist

Jacksonville, FL · On-site

... Data Scientists, and Machine Learning engineers. Who Should Apply: Recent Computer science ... it's a junior or entry-level position. The additional skills and project work with hands-on ...

Wpromote

Junior Data Scientist

$88K - $100K/yr

The Role Wpromote is hiring a Junior Data Scientist who loves solving problems with data and has strong math, logic, and communication skills. In this role, you'll support data processing, model ...

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Freelance Junior Data Scientist information

See salary details

$37.5K

$122.7K

$196.5K

How much do freelance junior data scientist jobs pay per year?

As of Sep 6, 2026, the average yearly pay for freelance junior data scientist in the United States is $122,738.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,500.00 and $136,000.00 per year, depending on experience, location, and employer.

What is a freelance junior data scientist?

A Freelance Junior Data Scientist is an entry-level professional who works independently or on short-term contracts to help organizations analyze and interpret data. They typically assist with data collection, cleaning, visualization, and applying basic statistical methods to uncover insights. Unlike full-time employees, freelancers are hired on a project-by-project basis, offering flexibility for both the worker and the client. Junior-level indicates they are at the beginning of their career and may still be developing advanced technical and analytical skills.

What are the key skills and qualifications needed to thrive as a freelance junior data scientist?

A Freelance Junior Data Scientist needs a solid understanding of statistics, programming (typically Python or R), and data analysis, often supported by a relevant degree or coursework. Familiarity with data visualization tools (like Tableau or Power BI), machine learning libraries (such as scikit-learn), and version control systems (like Git) is common. Strong problem-solving, communication, and time management skills help stand out in a client-focused, project-based environment. These competencies ensure accurate analysis, clear results, and the ability to deliver quality insights to diverse clients on time.

How do freelance junior data scientists typically manage client expectations and project timelines?

As a Freelance Junior Data Scientist, clear communication is key to managing client expectations and ensuring project success. It’s common to start projects by defining objectives, deliverables, and deadlines in collaboration with clients. Since you may work with varying levels of data complexity and client familiarity, regular check-ins and progress updates help prevent misunderstandings. Additionally, setting realistic timelines and transparently discussing any roadblocks or data limitations builds trust and fosters repeat business.

What is the difference between Freelance Junior Data Scientist vs Freelance Data Analyst?

AspectFreelance Junior Data ScientistFreelance Data Analyst
Required SkillsBasic programming, statistical knowledge, machine learning fundamentalsData cleaning, visualization, descriptive analytics
Tools UsedPython, R, SQL, machine learning librariesExcel, Tableau, Power BI, SQL
Work EnvironmentProject-based, collaborative with data science teamsClient-focused, reporting and dashboard creation
Common Industry UsageTech, finance, healthcare startupsMarketing, retail, consulting firms

Freelance Junior Data Scientists typically focus on building predictive models and applying machine learning techniques, requiring programming and statistical skills. Freelance Data Analysts mainly handle data visualization and reporting tasks. While both roles involve working with data, Junior Data Scientists often work on more complex modeling projects, whereas Data Analysts focus on interpreting data for business insights.

More about Freelance Junior Data Scientist jobs

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Cities with the most Freelance Junior Data Scientist job openings:

What are the most commonly searched types of Junior Data Scientist jobs?

The most popular types of Junior Data Scientist jobs are:

What states have the most Freelance Junior Data Scientist jobs?

States with the most job openings for Freelance Junior Data Scientist jobs include:

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The top searched job categories for Freelance Junior Data Scientist jobs are:

Freelance Junior Data Scientist jobs near you
Infographic showing various Freelance Junior Data Scientist job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, and 3% Contract. Highlights an 86% Physical, 3% Hybrid, and 11% Remote job distribution, with an average salary of $122,738 per year, or $59 per hour.

Junior Data Scientist

AITHERAS, LLC

Arlington, VA • On-site

$100K - $120K/yr

Full-time

Re-posted 16 days ago

Job description

Junior Data Scientist / Performance Data Analyst I

Location: Washington, DC / Hybrid / Government Facility as Required
Clearance / Background: U.S. Citizen required; ability to obtain DOJ Public Trust and Secret clearance; active Secret preferred
Experience Level: 1–3 years

Role Summary

The Junior Data Scientist / Performance Data Analyst I supports a federal Management Information System program by helping collect, clean, validate, analyze, and visualize operational and performance data.

This role is ideal for an early-career data scientist with strong Python, R, SQL, Tableau, machine learning, NLP, and statistical analysis skills who is ready to progress from research, healthcare, or academic data work into federal mission analytics.

Key Responsibilities

  • Collect, clean, validate, and analyze structured and semi-structured program data.

  • Build SQL, Python, and R scripts to extract data, run calculations, automate recurring analysis, and reduce manual reporting effort.

  • Develop and maintain Tableau dashboards, visual reports, charts, and performance summaries.

  • Support data quality reviews by identifying anomalies, missing values, inconsistent records, and reporting defects.

  • Assist senior analysts with statistical modeling, machine learning, trend analysis, and performance measurement.

  • Translate complex datasets into clear summaries for non-technical stakeholders.

  • Document data sources, business rules, transformation logic, assumptions, and analytical methods.

  • Support recurring weekly, monthly, quarterly, and ad hoc reporting requirements.

  • Review model outputs and error patterns to recommend improvements to analytical workflows.

  • Collaborate with senior data scientists, program analysts, project managers, and government stakeholders.

Required Qualifications

  • Bachelor’s degree in Data Science, Statistics, Computer Science, Mathematics, Information Systems, Neuroscience, Public Health Analytics, or a related quantitative field.

  • 1–3 years of data science, data analytics, research analytics, BI, or machine learning project experience.

  • Hands-on Python experience using pandas, NumPy, scikit-learn, matplotlib, spaCy, Keras, or similar libraries.

  • R experience using tidyverse, tidymodels, ggplot2, Shiny, or equivalent packages.

  • SQL experience for querying, joining, filtering, and preparing datasets.

  • Tableau, Power BI, R Shiny, or similar dashboard/data visualization experience.

  • Experience with machine learning classification, NLP, model evaluation, or predictive analytics.

  • Ability to inspect model errors, validate outputs, and communicate improvement opportunities.

  • Strong Excel and Microsoft Office skills.

  • Ability to explain technical findings to non-technical stakeholders.

  • U.S. citizenship and ability to obtain required federal suitability/clearance.

Preferred Qualifications

  • Active Secret clearance or prior federal suitability.

  • Experience with federal, public sector, law enforcement, financial, healthcare, biomedical, or large statistical datasets.

  • Experience supporting performance metrics, KPI reporting, operational reporting, or program evaluation.

  • Experience building client-facing dashboards or interactive data applications.

  • Experience with BERT, NLP, unstructured text, topic segmentation, or terminology data.

  • Familiarity with data governance, data privacy, PII handling, CUI, or secure data environments.

  • AWS, Git, Jupyter Notebook, or cloud analytics exposure.

Tools / Technologies

Python, R, SQL, Tableau, Excel, Jupyter Notebook, Git, AWS, pandas, NumPy, scikit-learn, spaCy, Keras, tidyverse, tidymodels, ggplot2, Shiny, NLP, BERT, dashboards, data visualization, statistical modeling.

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