Data Scientist — Python, FastAPI, AWS CDK to $5500

We are looking for an experienced Data Scientist to join a distributed international team working on AI-driven backend systems. This is a long-term, full-time contract opportunity with a fully remote setup. English is the working language.
 

You will contribute to the design, development, and optimization of services built on modern ML/AI technologies, with a focus on backend integrations and infrastructure automation.
 

Project details
Start: ASAP
Duration: Until 31.12.2025 (possible extension)
Workload: Full-time (5 days/week)
Location: Remote
Language: English

Responsibilities

• Develop and maintain scalable APIs using FastAPI
• Contribute to AI/ML-driven features, including RAG-based systems and LangGraph pipelines
• Manage dependencies with Poetry or UV
• Implement infrastructure as code using AWS CDK (Python) or other IaC tools
• Work collaboratively using GitLab workflows and CI/CD pipelines
• Write modular, testable code in large-scale Python projects
• Support serverless deployments with AWS Lambda, Aurora, API Gateway, and other services

Required skills

• Strong Python programming experience
• Hands-on experience with FastAPI
• Experience with dependency management tools (Poetry or UV)
• Familiarity with Retrieval-Augmented Generation (RAG) and LangGraph or similar
• Proficiency with Docker, Git, and GitLab CI/CD
• Experience working with AWS serverless services (Lambda, Aurora, API Gateway)
• Knowledge of infrastructure as code with AWS CDK or equivalent

Optional but nice to have

• Experience integrating ML models into production systems
• Understanding of asynchronous programming and performance optimization
• Prior experience in remote or distributed teams

If you meet the requirements and are interested in the project, we would be happy to schedule an initial phone call to provide further details.