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Mid LevelFull-timePythonGolangRustAIML
Salary Range
$102,000 - $138,000 /year
This salary is estimated based on similar roles. The actual salary may vary.
About the Role
We are looking for an AI Systems Developer to join Reflexivity and build the AI systems that power our investment insights. This role requires experience with production ML and LLM systems that directly impact investor decisions.
Key Responsibilities
- →Design, fine-tune, and deploy ML and LLM-driven systems used in production by professional investors
- →Build and maintain inference pipelines that are fast, observable, and reliable
- →Integrate OpenAI, Gemini, and Anthropic models into reasoning and knowledge systems
- →Work closely with backend engineers to productionize models in Golang-based services
- →Improve signal quality, not just model accuracy
- →Review code and designs with a bias toward long-term maintainability
Requirements
- ✓5 plus years building ML or applied AI systems in production
- ✓Startup experience working on a core product, not a side project
- ✓Strong Python skills and experience integrating with backend systems
- ✓Hands-on experience with AI-assisted coding tools like Cursor or Claude Code
- ✓Fintech experience or strong personal investment background
- ✓Comfortable owning outcomes, not just tasks
