> Markdown version of [/jobs/ext/3967509-senior-software-engineer-ai-training-united-states](https://www.wearedevelopers.com/jobs/ext/3967509-senior-software-engineer-ai-training-united-states). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer, AI Training - United States - **Company:** G2i Inc. - **Location:** Hartford, CT, United States - **Experience:** Expert - **Salary:** $208,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Cursor, Python (Programming Language), TypeScript, Claude Code, Prompt Engineering, OpenAI Codex - **Published:** October 27, 2026 - **Apply:** https://www.careerjet.com/job/us9105565ab00767252b86ec13261ce856/eaa ## About the Role You should be comfortable making subjective but rigorous judgments, and explaining them clearly. Who you are * Senior, Staff or Principal-level engineer (or equivalent experience) * Strong background in TypeScript/JavaScript or Python * Hands-on experience with at least one of OpenAI Codex, Claude Code or Cursor * Deep familiarity with modern AI-assisted dev workflows * Able to evaluate code without executing it or reviewing every line * Strong written and spoken English (B2 or above). You'll be writing detailed feedback and recording short video explanations, so this is a hard requirement * Comfortable giving direct, opinionated feedback * High bar for what good engineering looks like Nice to have * Prior exposure to prompt design or evaluation workflows * Experience mentoring senior engineers or defining engineering standards