Obsidian

Software Engineer I - Entry Level

📍 Location
toronto, on
⏰ Job Type
Full-time
📅 Posted
May 25, 2026
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Job Description

Mercor

Mercor is recruiting U.S./UK/Canada/Europe-based SWEs for a model-training project with a leading foundational model AI lab. Job Overview

This is a contract role requiring around 20 hours per week, at least one month long, with pay of $100 per hour based on experience. Successful contributions increase the odds of being selected for future projects. Qualifications

Experience working at top U.S. tech firms. Proven track record of building and maintaining complex, production‑grade Python systems, not just scripts or notebooks but full‑featured services, tools, or frameworks used in real‑world environments. Deep understanding of Python language fundamentals, including advanced features like decorators, generators, async/await, context managers, and performance tuning (e.g., profiling, memory optimization). Experience designing modular, testable codebases, using modern Python tooling and best practices (e.g., FastAPI, Pydantic, type hints, dependency injec...

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