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Remote data engineering jobs

Data Engineering for AI training brings traditional pipeline and data-quality work into the dataset lifecycle that powers machine learning. These roles focus on preparing, validating, and delivering high-quality training data—building scalable pipelines, enforcing schemas, and making annotated datasets reliable for models and labelers. OpenTrain collects projects where this work happens and helps you build a profile, qualify for projects, and apply quickly. Create a free account to browse roles that match your skills and workflow preferences.

12 open positions

Strategic Project Lead

Lead AI data operations and coordinate domain experts for high-impact model training projects; remote contractor role paying $80–$90/hr with a 20+ hour/week time expectation. Ideal for experienced data-ops leaders comfortable in fast-paced, client-facing roles.

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Generative Ai Rlhf
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $80–$90/hr

Posted Jun 30, 2026

E-commerce Data & Catalog Specialist

Contractor role managing large-scale e-commerce product catalogs for AI training—remote, 20+ hrs/week, $40–$50/hr. Use SQL/NoSQL, taxonomy design, data normalization, and create realistic shopping scenarios to prepare structured datasets for AI models.

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General Annotation
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$50/hr

Posted Jun 29, 2026

Database Administrator for AI Systems

Join OpenTrain as a part-time, remote Database Administrator helping to maintain and optimize MySQL/PostgreSQL environments that feed AI model fine-tuning. Flexible contractor work (~20 hrs/wk for 1–3 months) paying $25–$70/hr with a target top rate of $70/hr.

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Coding Software
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $25–$70/hr

Posted Jun 28, 2026

Machine Learning Infrastructure Engineer

Join OpenTrain as a part-time contractor building scalable ML infrastructure and production-ready models — remote, worldwide, 20+ hrs/week. Competitive pay $30–$90/hr; portfolio or public work required.

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Coding Software
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $30–$90/hr

Posted Jun 28, 2026

Data Science Expert (Python, SQL, GenAI)

Design realistic, reproducible end-to-end data science problems and verify solutions using Python and SQL. This contract role suits senior data scientists (5+ years) with strong ML/statistics foundations and hands-on GenAI experience.

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Coding Software
Remote · Worldwide
Part-time · Flexible
Expert level
Hourly · $15–$40/hr

Posted Apr 5, 2026

Machine Learning Expert (Python, GenAI, SQL)

Design and validate computational STEM/ML problems for generative-AI training, writing reproducible Python solutions and clear documentation. Contract, part-time project work (~10–20 hrs/week), US-restricted contributors preferred; pay $15–$40/hr.

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Generative Ai Rlhf
Remote · Worldwide
Part-time · Flexible
Expert level
Hourly · $15–$40/hr

Posted Apr 5, 2026

Integration Developer (API Specialist)

Join OpenTrain to train and evaluate AI systems focused on API integrations and interoperability, working remotely 20+ hrs/week as a contractor. Design prompts, assess AI-generated integration plans and payloads, and troubleshoot REST API and webhook workflows for $15–$45/hr.

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Generative Ai Rlhf
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$45/hr

Posted Mar 29, 2026

Vibecode Specialist (Web Scraping & Data Extraction)

Join a remote, part-time contractor role extracting structured data from complex, JS-heavy websites using Python, Apify/OpenRouter, and your own scripts. $20/hr, 20+ hours/week; B2+ English and 1+ year relevant experience required.

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Coding Software
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $20/hr

Posted Feb 26, 2026

Data Analytics & Visualization Specialist (Python + Dash, ETL)

Join OpenTrain to build ETL pipelines and interactive dashboards using Python, Plotly/Dash, and SQL; part-time contractor role paying $25/hr for under 20 hours/week. Ideal for entry-level data analysts who write clean code, validate data, and translate business questions into clear visual insights.

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Coding Software
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $25/hr

Posted Sep 3, 2025

Creating SQL queries from human queries

Write flawless SQL queries that answer 100 sports-related user questions using a provided database and labeling tool; this contract pays $40/hr, requires 20+ hours/week and East Coast working hours for a short project window. Collaborate with the existing team and receive context and support while y

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Coding Software
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $40/hr

Posted Feb 22, 2025

Senior Excel Specialist (India, C1 English)

Design advanced Excel prompts and evaluate AI outputs to shape how models understand complex spreadsheets; $23/hr, contractor/part-time based in India requiring C1 English and 7+ years of Excel experience. Candidates must pass a coding/skill test and a live interview.

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Generative Ai Rlhf
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $23/hr

Posted Jan 2, 2025

Databricks Specialist with Python, Java, and/or Spark Expertise

Work remotely with OpenTrain as a Databricks Specialist optimizing large-scale Spark ETL and data pipelines; contract, part-time role at $12/hr, 20+ hours/week. Candidates must have hands-on Databricks experience and deep Apache Spark expertise.

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Coding Software
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $12/hr

Posted Nov 12, 2024

What this work involves

In AI-training and data-labeling projects, data engineering centers on turning raw inputs into production-ready training datasets. That means designing ingestion pipelines, normalizing and augmenting data, deduplicating and cleaning examples, and exporting datasets in formats annotation tools and training pipelines expect.

You may also build validation checks and automated tests to catch schema drift or annotation errors, manage dataset versioning and metadata, optimize storage and access patterns for human labelers and model training, and integrate labeling outputs back into downstream training workflows.

  • Design and run ETL pipelines that convert raw logs, images, audio, or text into labeled examples.
  • Define and enforce schemas, data contracts, and validation rules to maintain dataset quality.
  • Implement deduplication, normalization, and augmentation steps to improve model signal.
  • Export and package datasets in industry formats so annotation platforms and training jobs can consume them.

Skills and tools that help

Successful contributors combine programming and data-systems experience with an eye for reproducibility and quality. Familiarity with data modeling, batch and streaming processing, and automated validation is especially useful in AI-training contexts.

You don’t need to know every tool; employers often care more about problem-solving, reproducible pipelines, and the ability to write robust transformations and checks that work reliably with human annotators.

  • Core skills: SQL, Python, data modeling, testing, and logging.
  • Common frameworks: Spark, Beam, Airflow, dbt or similar orchestration/transform tools.
  • Storage & formats: Parquet/TFRecord/Avro, object storage (S3/GCS), and efficient data partitioning.
  • Extras that stand out: feature stores, metadata/versioning systems, annotation platform integrations, and automated validation frameworks.

Who these roles suit

People who do well have solid engineering discipline, care about data correctness, and enjoy bridging systems work with human-centered labeling workflows. Candidates include backend or data engineers, ML engineers focusing on data, SREs who like pipelines, and analysts who want to scale their data work.

These projects reward clear communication and collaboration: you’ll often work with annotators, QA reviewers, and ML engineers to iterate on labels, edge cases, and schema changes.

  • You like automating repeatable data tasks and building checks that prevent regressions.
  • You can translate model needs into concrete dataset specifications and validation rules.
  • You’re comfortable sharing reproducible code, documenting schemas, and working across distributed teams.

How hiring and projects work on OpenTrain

OpenTrain lists AI-training and data-labeling projects that need data engineering expertise. To get started, create a free profile that highlights your technical skills and past data work, then review project descriptions and qualification tasks.

Many projects use short paid qualification jobs to verify skills and workflows. Once qualified, you apply or are invited to contribute to project tasks, submit work through the platform, and build a reputation that unlocks more opportunities.

  • Build a profile with technical highlights and examples of pipeline or dataset work.
  • Complete qualification or sample tasks to show you can meet a project’s requirements.
  • Work remotely on project-based assignments; use the platform to submit deliverables and track progress.

Frequently asked questions

Do I need machine learning experience to work on data-engineering labeling projects?
Not necessarily. Many projects focus on data pipelines, cleaning, format conversion, and validation rather than model development. Familiarity with ML data concepts (train/validation/test splits, class balance, label noise) helps, but you can often contribute with strong engineering and data-quality skills alone.
Are these roles remote and flexible?
Yes. AI-training and data-labeling work on OpenTrain is typically project-based and remote-friendly. Projects differ in scheduling—some are asynchronous, others require time windows for coordination—so check each project’s description for availability and turnaround expectations.
What types of tasks will I be doing day-to-day?
Typical tasks include writing ETL scripts, implementing validation tests, normalizing or augmenting raw data, packaging datasets for annotation, reviewing labeled outputs for quality issues, and maintaining dataset versioning and metadata. Tasks vary by project scope and level of responsibility.
How do I apply and prove my skills on OpenTrain?
Start by creating a free OpenTrain profile listing your relevant skills and experience. Many projects offer short qualification tasks or sample jobs that demonstrate your ability to follow specs and produce reproducible outputs. Completing these tasks and receiving positive reviews helps you qualify for more projects.
Which file formats and tooling should I be familiar with?
Common formats include Parquet, TFRecord, CSV, JSONL, and common image/audio codecs. Familiarity with object storage, data partitioning, and tooling for orchestration (Airflow, dbt, or similar), batch processing (Spark/Pandas), and automated validation or schema checks will be useful. Exact requirements depend on the project.
Explore the Data Engineering career path →