Lifted, an Upwork Company

#127006 - Data Scientist - Production Machine Learning

Lifted, an Upwork Company · Bogotá, Colombia
Bogotá, Colombia Contract Posted 2026-07-22
Type
Contract
Experience
2+ yr

We are seeking a Data Scientist with hands-on experience building, deploying, and maintaining production machine learning solutions in a cloud environment. This role will develop scalable ML models, improve the data pipelines that support them, and collaborate with engineering and business stakeholders to deliver data-driven solutions.

This is a contract role supporting a remote, cross-functional team. The successful candidate must have experience taking machine learning models beyond notebook-based development and supporting them in live production environments.

Enterprise experience strongly preferred.

Key Responsibilities

  • Develop, deploy, and maintain machine learning models in production environments.
  • Perform exploratory data analysis to identify patterns, opportunities, and modeling approaches.
  • Conduct feature engineering and prepare data for machine learning workflows.
  • Build and improve data pipelines supporting model development, deployment, and maintenance.
  • Monitor production models and help address performance or operational issues.
  • Collaborate with engineering and business stakeholders to translate business needs into scalable machine learning solutions.
  • Use version-control and collaborative development practices to manage production code.
  • Work independently while communicating progress, risks, and technical findings clearly.
  • Contribute to LLM- or AI-agent-based capabilities where applicable.

Must-Have Skills

  • At least 2 years of experience building and maintaining production machine learning models.
  • Strong Python programming skills.
  • Advanced SQL skills.
  • Experience deploying machine learning models into production.
  • Experience monitoring or maintaining models after production deployment.
  • Experience with AWS SageMaker or another enterprise machine learning platform, such as Vertex AI or Azure Machine Learning.
  • Experience supporting production machine learning pipelines.
  • Experience with Git or another version-control system.
  • Experience performing exploratory data analysis and feature engineering.
  • Experience building or improving data pipelines that support machine learning workflows.
  • Ability to work independently in production environments.
  • Strong communication and cross-functional collaboration skills.

Nice-to-Have Skills

  • Experience with MLflow, Airflow, dbt, or similar MLOps and workflow tools.
  • Experience with Snowflake.
  • Experience supporting marketing or growth use cases.
  • Experience with experimentation or causal inference.
  • Experience with large language models.
  • Experience with AI agents or agentic capabilities.
  • Experience working in Agile development environments.
  • Experience developing scalable machine learning solutions in enterprise environments.

Required Tools & Platforms

  • Python
  • Advanced SQL
  • Git or comparable version control
  • AWS SageMaker, Vertex AI, Azure Machine Learning, or another enterprise ML platform
  • Production machine learning deployment and monitoring tools

Location, Time & Engagement

  • Location: Remote, LATAM
  • Candidates must be located in an approved LATAM country.
  • The role requires working-hour alignment with a U.S. team operating between Pacific and Eastern time zones.
  • Schedule: Full-time, approximately 40 hours per week
  • Engagement type: Contract
  • Expected contract end date: December 31, 2026
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