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Micro1

Verified

Data Scientist

Kigali - Rwanda full-time freelance

Posted

2 weeks ago

Experience

4/6+ Years

Deadline

Closed

Job Summary

The Expert Data Scientist creates, evaluates, and refines high-quality training datasets to train frontier AI models. Core daily duties include collecting, cleaning, and preprocessing diverse data sets to ensure absolute integrity; developing, validating, and implementing statistical models; running exploratory data analysis to isolate complex trends; translating findings into compelling data visualizations; and improving automation processes to optimize the lab's underlying data workflows.

Foundational Capabilities & Prerequisites

  • Mathematical Rigor: Advanced expertise in statistics, mathematics, and complex data analysis techniques.
  • Data Processing Footprint: Proven experience in collecting, handling, and cleaning large, complex, and unorganized data sets, demonstrating meticulous attention to data quality at every stage.
  • Programming Fluency: Strong proficiency in programming languages such as Python, R, or highly similar languages optimized for data manipulation, algorithmic transformation, and predictive modeling.
  • Statistical Modeling Depth: Strong data modeling skills with practical experience in building, testing, and validating predictive or explanatory models.
  • Visualization Articulation: Advanced ability to visualize data architectures and trends using professional tools like Tableau, Power BI, or related software libraries (e.g., Matplotlib, Seaborn, ggplot2).
  • Operational Habits: Meticulous attention to detail, a strong sense of personal initiative, and a proven capability to work independently and meet tight deadlines in a remote environment.
  • Communication Precision: Excellent written and verbal communication skills, with a heavy emphasis on delivering data-driven recommendations with clarity and precision to both technical and non-technical stakeholders.

Preferred Technical Multipliers

  • Collaborative Remote Frameworks: Experience working successfully within a remote, cross-functional, or customer-focused team environment.
  • Machine Learning Deployment: A professional background in developing, validating, and deploying machine learning solutions in live production settings.
  • Data Automation Literacy: Experience establishing automated data ingestion, cleaning, and transformation scripts to reduce manual preprocessing overhead.

Technical Workflow Architecture

As an AI Data Engineering Data Scientist, your contributions will typically guide model behavior across several evaluation tracks:

  • Supervised Fine-Tuning (SFT): Authoring pristine mathematical proofs, data analysis scripts, and statistical code blocks to serve as the "gold standard" target behaviors for model imitation.
  • Reinforcement Learning (RLHF): Reviewing and grading multiple model-generated data pipelines, ranking them based on statistical validity, code efficiency, and algorithmic logic, and providing clear written feedback.
  • Adversarial Code Stress-Testing: Testing model resilience by feeding it flawed datasets, tracking its ability to identify hidden structural anomalies or data leakage, and correcting its reasoning paths using verified statistical techniques.
  • Bias & Logic Alignment: Auditing model outputs for statistical biases, logical fallacies, or corrupted data distributions, ensuring the system refuses to generate false analytical conclusions.

Key Responsibilities

1. Data Ingestion, Cleaning & Preprocessing

  • Collect, handle, and preprocess highly diverse, complex, and unorganized datasets to ensure absolute data integrity and readiness for deep model training.
  • Develop automated data cleaning routines to isolate anomalies, handle missing variables, and normalize distributions across training pipelines.
  • Document data preprocessing standards to serve as primary training instructions for next-generation data classification models.

2. Statistical Modeling & Predictive Analytics

  • Develop, validate, and implement rigorous statistical models to extract actionable insights and teach AI agents how to process complex data.
  • Build and validate predictive models, establishing clear evaluation metrics (such as MSE, R-squared, or ROC-AUC scores) to benchmark model reasoning performance.
  • Run exploratory data analysis (EDA) to systematically identify trends, structural patterns, and hidden business optimization opportunities.

3. Data Visualization & Explanatory Reporting

  • Present complex statistical findings and data models through compelling, highly polished data visualizations and reports.
  • Tailor documentation styles carefully to ensure clear impact when communicating with both technical data engineers and non-technical stakeholders.
  • Build structured visual dashboards that model complex data interactions, teaching AI systems how to interpret and generate charts accurately.

4. Cross-Functional Collaboration & Workflow Automation

  • Collaborate closely with remote data lab team members to design, manage, and execute end-to-end data projects from initial ideation to final delivery.
  • Continuously improve and refine analytical methodologies, data pipelines, and internal automation processes to enhance macro-level data workflows.
  • Provide clear written and verbal documentation to improve the baseline performance, reliability, and precision of data-driven recommendations.

Core Competencies & Analytical Strengths

  • Meticulous Data Hygiene: Proactively catching data leakage, sampling biases, and formatting anomalies that could compromise model training or lead to skewed statistical outcomes.
  • Algorithmic Programming: Writing clean, modular, and optimized code in Python or R to perform complex transformations on large-scale datasets efficiently.
  • Rigorous Statistical Validation: Selecting and applying appropriate statistical tests, significance thresholds, and distribution assumptions rather than relying on automated defaults.
  • Clear Data Storytelling: Distilling dense, multi-dimensional datasets into concise, visually clear, and actionable insights that bridge technical and operational teams.
  • Autonomous Problem Solving: Taking full ownership of ambiguous data challenges, building custom parsing scripts, and validating results independently without requiring constant supervision.

Expected Outputs & Deliverables

  • Well-structured, fully cleaned, and preprocessed datasets ready for immediate integration into frontier AI training models.
  • Thoroughly documented, validated statistical and predictive models complete with performance benchmarking metrics.
  • Polished data visualization dashboards and explanatory reports mapping out complex trends and data patterns.
  • Optimized automation scripts and code workflows designed to streamline data processing and handling within the platform.

Skills Required:

  • Computer / Software / It / Data

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