OpenRecently verified

Senior Data Scientist and Data Engineering Experts

  • Data & Machine Learning
  • Platform: Mercor
  • Location: United States
  • Level: Intermediate

$120-180/hrAs published by the platform.

Not sure this job fits you?

  • Add your resume and see every open Data & Machine Learning job scored against your background. Free.
  • Your profile is never sent to the platforms. You decide where to apply.
Add your resume

About this job

This contract role asks senior data scientists and data engineers to help improve how AI systems handle real-world analytics work. Contributors design challenging tasks, write grading criteria for data science deliverables, and give consistent, evidence-based assessments. It suits professionals with deep experience at leading technology, quantitative, financial, or consulting firms.

What you'll do

  • Design realistic data science and data engineering tasks such as statistical modeling, ML pipelines, and ETL design.
  • Write precise, task-specific criteria describing what good data science deliverables look like.
  • Apply consistent, evidence-based judgment so assessments are reproducible and defensible.
  • Iterate on submitted work using structured feedback from senior reviewers.

Requirements

PythonSQLETLMachine Learning
  • 4+ years of experience
  • Bachelor's degree from an English-speaking country

Pay

$120-180/hr

Pay as published by the platform. It is not a guarantee of income or hours.

Location

Open to residents of: United States.

How to apply

You apply on work.mercor.com: create a profile, complete a skills assessment, then get matched to projects that fit your background.

All Mercor jobs and how the platform works

Source

Official posting: https://work.mercor.com/jobs/list_AAABoX3-UIdE0bwI7L9Ox6qj/senior-data-scientist-and-data-engineering-experts

Last checked on October 28, 2026.

Similar jobs

  • Data & Machine Learning
  • Platform: Alignerr

A Clinical Data Strategist analyzes complex multi-source clinical datasets to identify trends and generate actionable insights that improve patient outcomes and healthcare operations. This fully remote contract role is suited for experienced healthcare analytics professionals who can transform raw clinical data into structured summaries for downstream use.

  • Data & Machine Learning
  • Platform: Alignerr

This role involves designing advanced data science challenges, writing benchmark solutions, and auditing AI-generated code to improve AI reasoning and reliability. It is designed for experienced data scientists who want flexible, intellectually demanding work training and evaluating machine learning systems.

  • Data & Machine Learning
  • Platform: DataAnnotation
  • Level: Intermediate

This role involves evaluating how well AI models can perform computational biology tasks. Computational biologists and bioinformaticians will design realistic analysis scenarios from their own work, run them through AI systems, and grade the results against professional standards to help benchmark model capabilities.

Talent poolRecently verified$40-125/hr
  • Data & Machine Learning
  • Platform: Mercor
  • Location: United States

You will join a network of data experts to assess and evaluate the quality of analyses produced by frontier AI models. Your roles will consist of designing analysis problems, evaluating pipelines and queries generated by the models, and identifying results that are technically valid but potentially misleading for decision-makers. This role is aimed at data practitioners with concrete experience in delivered analytical projects.

Posted September 15, 2026

OpenRecently verified$70-120/hr

Referral link: we may earn a fee. Apply without it

Keep exploring

Apply on Mercor (opens Mercor in a new tab)

This is a referral link: we may earn a fee if you are selected and meet the platform's conditions.

Apply without the referral link