Meridial Marketplace, by Invisible · 3 hours ago
Machine Learning & Coding Expert (SME) - Freelance Project
United States
Contract
Remote
Senior Level
$25/hr - $100/hr
5+ years expMeridial Marketplace, by Invisible is seeking a highly experienced Coding / Machine Learning professional to serve as a consultant on AI training data projects for leading AI model builders and enterprises. The role involves defining success criteria, reviewing outputs, and providing guidance to improve quality and speed, contributing to the successful delivery of domain-specific annotated datasets.
Computer Software
Responsibilities
Define domain-specific quality success metrics
Develop project-specific SOPs, QA rubrics, and reference materials for the specific purpose of meeting client technical standards
Review project outputs (code annotations, model configurations) against technical standards, flagging and correcting defects before client delivery
Perform structured QA passes on daily/weekly deliverables; flag, track, and resolve defects quickly to hit delivery deadlines
Return work to contractors with precise remediation notes
Provide advisory input on tools, frameworks, workflows, and processes to meet quality benchmarks
Handle spec changes and edge-case scenarios e.g., evaluation of new model architectures, data formats, or API changes drafting acceptance criteria or technical workarounds
Curate example libraries of “gold standard” scripts, models, and dataset annotations for calibration and comparability to reference samples
Participate in vetting and assessing technical contractor talent for specific projects, including code review tests and ML task evaluations
Review sample work from contractors and provide precise, actionable written feedback to improve outputs
Create targeted training or calibration resources — e.g., best practices for clean, maintainable code, hyperparameter tuning guidelines, dataset preparation standards
Advise on technical scoping and requirements during project setup, including choice of programming languages, ML frameworks, and data preprocessing pipelines
Provide expert guidance for edge cases, technical exceptions, and specification changes during the project lifecycle
Contribute to post-project reviews to capture lessons learned and improve future standards
Identify and summarize client model observations and insights (e.g., model accuracy drift, overfitting patterns, data leakage issues)
Build dashboards or trackers with defect categories and recurrence to surface production insights that improve project outcomes
Conduct post-mortems, analyze defect trends, and propose process tweaks or training refreshers
Qualification
Required
Deep technical expertise and 5+ years professional experience in software engineering, machine learning, or data science, with demonstrable industry impact
Mastery of one or more programming languages (e.g., Python, C++, Java) and experience with leading ML frameworks (e.g., PyTorch, TensorFlow, scikit-learn)
Proven ability to set, enforce, and maintain high technical standards in software development and ML workflows
Strong communication skills for delivering clear technical guidance to both engineers and non-technical stakeholders
Experience producing technical documentation, quality rubrics, or training resources
Ability to work within fixed project timelines and scope
Strong attention to detail, documentation discipline, and commitment to accuracy and consistency
Fluency in spoken and written English, with clear and concise writing skills
Benefits
Health insurance
PTO
Company
Meridial Marketplace, by Invisible
We are the AI training and scaling partner for the leading foundation model providers, enterprises, and governments, bridging the gap between AI potential and production.
201-500 employees
Funding
Current Stage
Growth StageCompany data provided by crunchbase