Sr. Python Software Engineer / Sr. Data Scientist

2 remote b2b Python positions: - Sr. PYTHON SE - Sr. DATA SCIENTIST November 2025 - January 2026. 4 more openings! 5700 - 6600 $ before taxes. Company: Caterpillar ( CAT, USA) Location: Remote Conditions: b2b contract Type: Full- time 8 hours a day. 4 hours daily overlap with the USA team, 8 a.m. -12 p m. (CDT) 9 months minimum contract. Vacation is not paid. English: B2+ A Bachelor’s degree is a must. **Sr.Python SE requirements:** - 6+ years of Python (PEP standards, linters (Ruff, Pylint)), package managers (Poetry, UV). 1 year of SQL. 3 years exp. with AWS (Dynamo, RDS, S3, Kinesis, EventBridge, SNS, SQS, Fargate, Lambda). exp. building and deploying applications on AWS. exp. with OOP, TDD,  Unit testing. exp. with CI/CD tools such as Github Actions (AzDO pipelines), Docker. exp. writing Python Rest APIs - FastAPI, Flask, Django. Nice to have:  - Golang. LangChain or LangGraph or any other AI/Agentic framework. LLM’s, embedding models, RAG, Agents, Vector databases, etc. **Sr.Data Scientist requirements:** - 6 years of Python, ML, SQL, Dashboarding ( Power BI). - 1 year exp. with AWS. - 1+ year of GEN AI. - LangChain and LandGraph for LLM- powered applications. ATTENTION! Before sending your resume, ask for the full description. Add me on LinkedIn for the future opportunities. Elena Ustinova Offshore team builder.