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Freelance Data Science Mentor Jobs (NOW HIRING)

Staff Data Scientist

Redwood City, CA · On-site

$188K - $268K/yr

Lead the adoption and application of cutting-edge AI trends and technologies, establishing Poshmark as a pioneer in data science. * Mentor junior scientists/engineers, fostering a culture of ...

About the Role This is a freelance role for a Tendem project. As a Python Data Scraping Engineer ... Bachelor's or Master's Degree in Engineering, Applied Mathematics, Computer Science, or related ...

Mentor analysts regarding analytics best practices, methodologies, and programming techniques * Develop objective staff development strategies, effectively growing the capability sets of team and ...

Stay up-to-date on the latest advancements in machine learning and data science * Mentor and guide junior data scientists on the team Qualifications: * Advanced degree (Masters or Ph.D.) in a ...

Health Data Science/AI Associate

Indianapolis, IN · On-site

$56K - $56K/yr

ESSENTIAL DUTIES AND RESPONSIBILITIES Under the guidance of supervisors and scientific mentors, the ... Participate in data validation, quality assurance, and documentation activities to ensure ...

As Director of Data Science , you will lead the team responsible for Numerator's consumer panel ... You should be equally comfortable debating statistical methodology, mentoring a team, partnering ...

Data Science SME

Quantico, VA · On-site

$119K - $133K/yr

As a Data Science Subject Matter Expert with JCTM you will provide technical expertise and ... by mentorship and a collaborative work environment. You Have: * Bachelor's degree in Computer ...

You will work with executive mentor(s) and data scientists to match projects to your interests and goals, with an aim to improve operations, enhance products, or generate new insights.

Showing results 21-40

Freelance Data Science Mentor information

See salary details

$41.5K

$142.5K

$201K

How much do freelance data science mentor jobs pay per year?

As of Aug 22, 2026, the average yearly pay for freelance data science mentor in the United States is $142,460.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,500.00 and $166,500.00 per year, depending on experience, location, and employer.

What is the difference between Freelance Data Science Mentor vs Data Scientist?

AspectFreelance Data Science MentorData Scientist
CredentialsTypically requires expertise in data science, teaching experience, and industry knowledgeRequires a degree in data science, statistics, or related fields; often with certifications
Work EnvironmentIndependent, remote, flexible schedulingUsually employed by companies, working in office or remote teams
Employer & Industry UsageFreelance platforms, individual clients, educational institutionsTech firms, finance, healthcare, and other industries
Search & Comparison IntentSeeking mentorship, coaching, or freelance teaching opportunitiesLooking for full-time or project-based data science roles

In summary, a Freelance Data Science Mentor primarily offers guidance and training on a flexible, independent basis, while a Data Scientist is typically employed full-time within organizations to develop and implement data solutions.

More about Freelance Data Science Mentor jobs

What cities are hiring for Freelance Data Science Mentor jobs?

Cities with the most Freelance Data Science Mentor job openings:

What are the most commonly searched types of Data Science Mentor jobs?

The most popular types of Data Science Mentor jobs are:

What states have the most Freelance Data Science Mentor jobs?

States with the most job openings for Freelance Data Science Mentor jobs include:

Infographic showing various Freelance Data Science Mentor 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 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $142,460 per year, or $68.5 per hour.

Staff Data Scientist

Poshmark, Inc

Redwood City, CA • On-site

$188K - $268K/yr

Full-time

Re-posted 16 days ago


Job description

About Poshmark
Poshmark is the leading fashion marketplace where style comes alive through discovery, self-expression, and human connection. Powered by a vibrant community of 165 million members, Poshmark brings real people and taste to shopping through a social experience shaped by shared discovery. Buying and selling fashion feels simple, joyful, and personal, while every item tells its own story. Poshmark empowers sellers to grow meaningful businesses, keeps fashion in circulation longer, and gives shoppers access to unique and trusted finds, from everyday pieces to one-of-a-kind vintage and luxury.
At Poshmark, we're passionate about harnessing the power of data to drive business impact. As a Lead Data Scientist, you'll tackle complex challenges in personalization, trust & safety, marketing optimization, and product experience. With over 130 million users generating billions of daily events, you'll be at the forefront of data science innovation, developing AI solutions that enhance our platform and delight our community.
Responsibilities:
  • Lead end-to-end data science initiatives, from ideation to deployment, delivering measurable business impact through projects such as feed personalization, product recommendation systems, computer vision and GenAI.
  • Collaborate cross-functionally with ML engineers, product managers, and business stakeholders, to design and deploy high-impact models.
  • Develop scalable solutions for key areas of product, marketing, operations, and community functions.
  • Own the entire ML development lifecycle: data exploration, model development, deployment, and performance optimization.
  • Explore and experiment with emerging AI trends, technologies, and methodologies to keep Poshmark at the cutting edge.

Must-Have Qualifications:
  • 5-8 years of experience building scalable data science solutions in a big data environment.
  • Hands-on experience with key machine learning algorithms, including CNNs, Transformers, and Vision Transformers.
  • Proficiency in Python, SQL, and Spark (Scala or PySpark), with experience in deep learning frameworks such as PyTorch or TensorFlow.
  • Solid understanding of linear algebra, statistics, probability, calculus, and A/B testing concepts.
  • Strong problem-solving skills and the ability to communicate complex technical ideas effectively to diverse audiences, including executives and engineers.

Preferred Qualifications:
  • Experience with personalization algorithms, recommendation systems, or user behavior modeling.
  • Familiarity with Large Language Models (LLMs) and techniques such as Retrieval-Augmented Generation (RAG) or Parameter-Efficient Fine-Tuning (PEFT).

6-Month Accomplishments:
  • Develop comprehensive understanding of Poshmark's data platform and key datasets.
  • Gained insights into challenges related to data scale and noise, implementing strategies to effectively leverage data in decision-making processes.
  • Demonstrated proficiency in Poshmark's machine learning systems by applying advanced algorithms to address a business use case.
  • Successfully prototype/enhance models aimed at improving key business metrics, contributing to data-driven solutions that support company objectives

12+ Month Accomplishments:
  • Collaborated with ML engineers and other data scientists to establish best practices for managing and maintaining machine learning models in production, enhancing system reliability.
  • Successfully led the development and deployment of model for resolving business use case(s), contributing to overall company growth and success
  • Lead the adoption and application of cutting-edge AI trends and technologies, establishing Poshmark as a pioneer in data science.
  • Mentor junior scientists/engineers, fostering a culture of continuous learning and development within the team.