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ALL KNOWN SERVICES

Data Scientist – AI/ML Engineering & Machine Learning Modeling

On site

St. louis, United states

$ 63 /hour

Freelance

22-12-2025

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Skills

Python SQL CI/CD Monitoring Networking A/B Testing Machine Learning PyTorch Scikit-Learn TensorFlow Regression Databases AWS cloud platforms GCP Langchain

Job Specifications

Strictly W2 Only – No C2C

Job Title: Data Scientist – AI/ML Engineering & Machine Learning Modeling

Location: St. Louis, MO (Remote)

Employment Type: Contract (6 Months)

Work Type: Remote

About the Role

We are seeking a hands-on Data Scientist with strong AI/ML engineering and machine learning modeling expertise to design, build, and deploy scalable AI/ML solutions across cloud platforms. This role partners closely with business and engineering teams to deliver production-ready ML models and GenAI applications that drive measurable outcomes.

Key Responsibilities

Translate business problems into scalable AI/ML solutions with clear success metrics
Design, train, validate, and deploy ML models (classification, regression, recommendations, time-series)
Build GenAI agent applications using LangChain, Google ADK, RAG, prompt engineering, and vector databases
Develop and operate data pipelines and inference services on GCP and AWS
Implement CI/CD, testing, and monitoring for ML/data workflows
Build internal dashboards and lightweight apps using Streamlit or Plotly Dash
Document model design, validation, deployment, and data requirements
Promote best practices for code quality, reproducibility, and documentation

Required Qualifications

Master’s + 1 year experience or PhD in a quantitative field
Strong Python and SQL skills
Experience with scikit-learn, XGBoost/LightGBM, and PyTorch or TensorFlow
Hands-on experience building GenAI / LLM-based applications
Strong experience with GCP (BigQuery, Vertex AI) and AWS (S3, Lambda, SageMaker)
CI/CD experience for ML/data projects
Experience building internal dashboards/apps

Preferred Qualifications

API development for model/agent inference
Security & compliance (IAM, secrets management, networking)
Containerization, orchestration, workflow automation
Background in statistics, causal inference, or econometrics
A/B testing and experimentation design

About the Company

All Known Services is committed to redefining how organizations hire talent and build technology. Our mission is to simplify and optimize the processes of hiring, recruiting, and software development through strategic partnerships and innovative solutions. We support our clients by: Maximizing hiring efficiency and significantly reducing time-to-hire through tailored recruiting strategies. Delivering high-quality software solutions with precision, scalability, and cost-efficiency. Our integrated service models include: B2B... Know more