Expert Work

Machine Learning Engineer

Status: Open

Micro1

Pay
$80–$140/hr
Location
Remote
Employment type
Contractor
Openings
35
Posted
2026-04-17

About this opportunity

Role Title: Machine Learning Engineer Role Type: Contractor Location: Remote micro1 is engaging Machine Learning Engineers to contribute expertise to a dynamic customer project. In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. Scope of Work - Design, develop, and refine machine learning models using Python and relevant libraries to address project objectives. - Analyze large datasets and leverage MongoDB to manage and retrieve data efficiently for model training and validation. - Collaborate with cross-functional contributors to identify areas for model improvement and implement robust solutions. - Conduct thorough model evaluation, tuning hyperparameters, and benchmarking results to ensure optimal performance. - Document methodologies, experiments, and outcomes to ensure transparent and repeatable workflows. - Integrate data pipelines and preprocessing workflows to streamline training and inference processes. - Deliver actionable insights and recommendations based on data-driven findings and machine learning outcomes. Preferred Qualifications - Demonstrated expertise with Python, including deep familiarity with machine learning frameworks such as scikit-learn, TensorFlow, or PyTorch. - Hands-on experience with MongoDB for data manipulation, storage, and retrieval within machine learning projects. - Strong problem-solving skills and a track record of delivering innovative ML solutions in real-world settings. - Understanding of model evaluation metrics, feature engineering, and effective data preprocessing techniques. - Background in deploying or operationalizing machine learning models in cloud or enterprise environments. - Clear written documentation and communication skills for sharing technical findings and best practices. - Ability to adapt quickly to evolving project requirements and contribute collaboratively in a remote setting.

Required skills

  • Python
  • Machine Learning
  • MongoDB

What you'll do

  • Design, develop, and refine machine learning models using Python and relevant libraries to address project objectives.
  • Analyze large datasets and leverage MongoDB to manage and retrieve data efficiently for model training and validation.
  • Collaborate with cross-functional contributors to identify areas for model improvement and implement robust solutions.
  • Conduct thorough model evaluation, tuning hyperparameters, and benchmarking results to ensure optimal performance.
  • Document methodologies, experiments, and outcomes to ensure transparent and repeatable workflows.
  • Integrate data pipelines and preprocessing workflows to streamline training and inference processes.
  • Deliver actionable insights and recommendations based on data-driven findings and machine learning outcomes.

Preferred qualifications

  • Demonstrated expertise with Python, including deep familiarity with machine learning frameworks such as scikit-learn, TensorFlow, or PyTorch.
  • Hands-on experience with MongoDB for data manipulation, storage, and retrieval within machine learning projects.
  • Strong problem-solving skills and a track record of delivering innovative ML solutions in real-world settings.
  • Understanding of model evaluation metrics, feature engineering, and effective data preprocessing techniques.
  • Background in deploying or operationalizing machine learning models in cloud or enterprise environments.
  • Clear written documentation and communication skills for sharing technical findings and best practices.
  • Ability to adapt quickly to evolving project requirements and contribute collaboratively in a remote setting.
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Senior AI Trainer

Evaluate AI chat and search tools, grade model responses, write and refine prompts, and provide structured feedback for AI training.

Contractor· Remote — Northern America and Europe

Status: Open

$14–$36/hr

Verified Oct 3, 2026

Apply → (opens in a new tab)
AI TrainingMicro1

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In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

Contractor· Remote

Status: Open

$30–$100/hr

Verified Oct 3, 2026

Apply → (opens in a new tab)
CodingMicro1

TypeScript + Rust Developer

Job Title: TypeScript + Rust Developer Job Type: Contractor Location: Remote Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters. Key Responsibilities: - Collaborate with cross-functional teams to deliver robust solutions in TypeScript and Rust. - Design, implement, and refactor complex systems, with a focus on codebase migrations or rewrites between language ecosystems. - Create and curate high-quality human data for AI training and evaluation tasks. - Follow best practices for software engineering, including code reviews, testing, and documentation. - Communicate technical concepts clearly via written and verbal communication to both technical and non-technical stakeholders. - Troubleshoot, debug, and optimize codebases in both TypeScript and Rust environments. - Maintain 6+ hours of daily work overlap with the Eastern Time zone to ensure effective collaboration. Required Skills and Qualifications: - 5+ years of professional software development experience, with a proven track record of production-level work. - Idiomatic fluency in TypeScript and Rust, demonstrated through hands-on experience. - Strong background in codebase migrations, rewrites, or working within multiple language environments. - Excellent written and verbal communication skills, with the ability to explain complex technical issues clearly. - Experience producing or working with human-labeled data, ideally for AI or ML applications. - Ability to work independently and as part of a remote, global team. - Fluent English proficiency. Preferred Qualifications: - Previous experience on AI/ML data engineering or data labeling teams. - Contributions to open-source TypeScript or Rust projects. - Background in developing scalable cloud-native applications.

Contractor· Remote

Status: Open

$30–$100/hr

Verified Oct 3, 2026

Apply → (opens in a new tab)