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Senior Software Engineer, AI Training - UK

G2I · United Kingdom

Contract On site
description Job Description

Contract | Remote, worldwide | $100-$200/hour depending on experience and location | 10-20 hrs/week

Check out this Loom video for more details: https://www.loom.com/share/b0d1b0bf24c44ae8b95dca84b9db60e5

We're looking for highly experienced software engineer (SR+) to help evaluate the quality of interactions with modern coding agents such as OpenAI Codex and Claude Code.

This is not a traditional engineering role. You won't be writing production code. You'll be evaluating something harder: whether the model thinks like a great engineer.

What this role actually is

You will assess how AI coding agents behave in real-world scenarios, focusing on:

β€’ Whether the response makes sense

β€’ Whether the preamble and reasoning are useful

β€’ Whether the output reflects strong engineering judgment

β€’ Whether the interaction feels right to an experienced developer

This role is about engineering taste. Syntax correctness is the easy part.

What you'll be doing

β€’ Evaluate AI-generated coding interactions end to end

β€’ Judge whether outputs are useful, correct at a high level, and aligned with how a strong engineer would think

β€’ Assess the quality of explanations and reasoning, not just the code

β€’ Distinguish between levels of response quality (what makes something a 2 vs a 4)

β€’ Give clear, opinionated feedback in writing on what worked, what didn't, and what felt off or misleading

β€’ Help define what great looks like when working with tools like Cursor, Codex and Claude Code

What we mean by "taste"

We're looking for engineers who can answer questions like:

β€’ Does this feel like something a strong engineer would actually say?

β€’ Is this explanation helpful, or just technically correct?

β€’ Is the model guiding the user well, or just dumping output?

β€’ Would this interaction build or erode trust?

You should be comfortable making subjective but rigorous judgments, and explaining them clearly.

Who you are

β€’ Senior, Staff or Principal-level engineer (or equivalent experience)

β€’ Strong background in TypeScript/JavaScript or Python

β€’ Hands-on experience with at least one of OpenAI Codex, Claude Code or Cursor

β€’ Deep familiarity with modern AI-assisted dev workflows

β€’ Able to evaluate code without executing it or reviewing every line

β€’ 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

β€’ Comfortable giving direct, opinionated feedback

β€’ High bar for what good engineering looks like

Nice to have

β€’ Prior exposure to prompt design or evaluation workflows

β€’ Experience mentoring senior engineers or defining engineering standards

Engagement details

β€’ Rate: $100-$200/hour depending on experience and location

β€’ Hours: 10-20 hours/week, flexible

β€’ Duration: ongoing. Projects run from about two weeks to a few months each, and we offer new ones to evaluators who do well

β€’ Start: as soon as you clear the take-home and a project has an open seat

β€’ Process: one take-home evaluation exercise with a recorded Loom walkthrough. No interview

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G2i Eng Team
Job Details
payment Salary: Negotiable
work Type: Contract
business Mode: On site
visibility Views: 1
people Applications: 0
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