Remote opportunity at
GoFasti1172 - Senior Data Scientist
GoFasti acts as a Talent-as-a-Service provider connecting Latin American design and development professionals with international enterprises. The organization seeks a remote Senior Data Scientist for a…
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About This Role
GoFasti acts as a Talent-as-a-Service provider connecting Latin American design and development professionals with international enterprises. The organization seeks a remote Senior Data Scientist for a client placement, requiring fluent English communication and availability that overlaps with US Eastern business hours by at least four hours. This full-time contract role involves building, deploying, and maintaining predictive algorithms and machine learning models for web and mobile products. The position suits an…
Job Description
GoFasti acts as a Talent-as-a-Service provider connecting Latin American design and development professionals with international enterprises. The organization seeks a remote Senior Data Scientist for a client placement, requiring fluent English communication and availability that overlaps with US Eastern business hours by at least four hours.
This full-time contract role involves building, deploying, and maintaining predictive algorithms and machine learning models for web and mobile products. The position suits an analytical professional who handles noisy data effectively, collaborates with stakeholders, and mentors peers.
Responsibilities
- Design, deploy, and maintain retention, churn, and lifetime value predictive models for web and mobile applications
- Manage the modeling roadmap from initial problem formulation through production deployment and ongoing monitoring
- Construct cohort and lifetime value models to guide user acquisition spending and payback decisions
- Develop propensity and user segmentation models to enhance personalization and targeting
- Enhance model accuracy continuously through backtesting, validation, and integration of new data sources
- Perform causal analyses and design experiments to evaluate the genuine impact of marketing and product modifications
- Detect early behavioral indicators that forecast conversion, long-term value, and churn
- Utilize machine learning and large language models to categorize unstructured text and behavioral signals
- Collaborate with data engineering to productionize models and ensure reliable data inputs
- Construct internal data products and AI-powered analytics tools
- Communicate model assumptions, confidence levels, and outcomes clearly to leadership and stakeholders
- Establish team best practices, documentation standards, and modeling guidelines
- Mentor fellow data scientists and analysts while sharing best practices
Requirements
- At least 5 years of professional background in machine learning, statistical modeling, or data science
- Proficiency in advanced SQL and Python using tools such as scikit-learn and pandas
- Demonstrated experience deploying models to production and monitoring them over time
- Solid foundation in forecasting, experimentation, and statistics
- Practical background utilizing large language model APIs, building AI data tools, or designing prompts
- Routine reliance on AI development assistants such as Claude Code, Claude, or Claude Cowork
- Ability to exercise sound judgment when working with noisy or incomplete data
- Strong communication capabilities to translate complex analysis into business recommendations
- Fluent English language proficiency
- Availability for a minimum of four hours of overlap with US Eastern business hours
Qualifications
- Experience working with subscription or ad-monetized consumer applications
- Background in audience segmentation, personalization, or recommendation systems for ad targeting
- Familiarity with Google Cloud or AWS machine learning platforms like Vertex AI or SageMaker
- Knowledge of MLOps and orchestration technologies including dbt, Airflow, or MLflow
- Familiarity with multi-armed bandits, uplift modeling, or Bayesian methods
Core Skills
Benefits
- Full-time contract engagement paid via a payroll platform
Frequently Asked Questions
Answers are based only on the employer’s listing; where it doesn’t say, neither do we.
Is this position remote?
Yes, the role is remote, and candidates must be based in Latin America with at least four hours of daily overlap with US Eastern business hours.
What is the compensation for this role?
The salary range is USD 4,000 to 5,500 per month, determined by skillset and seniority.
What type of employment contract is offered?
This is a full-time contract position fulfilled through a payroll platform while allocated to a client.
What are the steps in the hiring process?
The process includes application review, a screening interview with GoFasti, profile submission and approval by the client, a client interview, and subsequent hiring and onboarding.
Sample Interview Questions
AI-generated questions tailored to this specific role — a preview of the full practice set.