Senior Research Scientist (Remote | $80–$140/hr)

Job summary

Design, develop, and refine machine learning models and data pipelines using Python and MongoDB. Evaluate model performance and optimize workflows to support the training and deployment of next-generation AI systems.

Job details

Machine Learning Engineer Position: Machine Learning Engineer Type: Hourly Contract Compensation: $80–$140/hour Location: Remote About the Opportunity This opportunity is for experienced Machine Learning Engineers with expertise in Python, machine learning, data analysis, model development, and MongoDB to contribute to advanced AI training and evaluation projects. You'll apply your technical expertise to design and refine machine learning solutions, analyze datasets, evaluate model performance, and develop reliable workflows that support the training and deployment of next-generation AI systems. Responsibilities Design, develop, and refine machine learning models using Python and relevant ML frameworks. Analyze and process large datasets for model training, validation, and evaluation. Use MongoDB for efficient data storage, manipulation, querying, and retrieval. Develop and maintain data preprocessing and feature engineering pipelines. Evaluate model performance using appropriate metrics, benchmarking, and validation techniques. Perform hyperparameter tuning and iterative model optimization. Collaborate with cross-functional teams to identify opportunities for model and workflow improvements. Integrate data pipelines into training and inference workflows. Document experiments, methodologies, results, and technical decisions to ensure reproducibility. Provide actionable insights and recommendations based on machine learning and data-driven findings. Required Qualifications Professional experience working as a Machine Learning Engineer, ML Developer, Data Scientist, or similar role. Strong proficiency in Python and machine learning development. Hands-on experience with machine learning frameworks such as scikit-learn, TensorFlow, or PyTorch. Practical experience using MongoDB for data management and retrieval. Strong understanding of machine learning algorithms, model evaluation, and data preprocessing. Experience with feature engineering, hyperparameter tuning, and model benchmarking. Strong analytical and problem-solving abilities. Excellent written communication and technical documentation skills. Ability to work independently and collaborate effectively in a remote environment. Preferred Qualifications Experience deploying or operationalizing machine learning models in cloud or enterprise environments. Familiarity with ML pipelines, model serving, and inference workflows. Experience working with large-scale datasets and production ML systems. Knowledge of MLOps, model monitoring, or automated ML workflows. Experience contributing to AI training, model evaluation, or data-quality initiatives. Strong understanding of scalable data and machine learning architectures. Ability to adapt quickly to evolving technical requirements and project priorities. Compensation Competitive compensation of $80–$140/hour. Hourly contract engagement. Fully remote with flexible working arrangements. Opportunity to contribute to next-generation AI training and evaluation projects. Application Process Easy Apply on LinkedIn Check Email for Next Steps Complete the required assessment based on your professional background Participate in the interview/evaluation stage Hiring team review

What you’ll do

Design, develop, and refine machine learning models and data pipelines using Python and MongoDB. Evaluate model performance and optimize workflows to support the training and deployment of next-generation AI systems.

Requirements

Requires professional experience as a Machine Learning Engineer or Data Scientist with strong proficiency in Python and ML frameworks like TensorFlow or PyTorch. Practical experience with MongoDB and a deep understanding of model evaluation and feature engineering are essential.

Listed skills

• Technical Documentation · Preferred
• Data analysis · Preferred
• Machine learning · Preferred
• MongoDB · Preferred
• Python · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Python
• Machine Learning
• Data Analysis
• Model Development
• MongoDB
• Scikit-learn
• TensorFlow
• PyTorch
• Feature Engineering
• Hyperparameter Tuning
• Model Benchmarking
• Data Preprocessing
• MLOps
• Technical Documentation
• Model Evaluation
• Data Pipelines

Job areas

• Technology
• Software
• Engineering
• Data & Analytics
• Science & Research