Jack & Jill/External ATS - AI Engineer (£170k + Equity) at Gizmo.ai
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Requirements
• Senior software engineer with 7+ years of experience and deep technical proficiency in TypeScript and backend systems • Practical expertise in AI/LLM implementation, including production work with APIs, model evaluation, or a strong academic ML background • Proven startup veteran or ex-founder who thrives in high-autonomy environments and prioritizes shipping impactful code over rigid corporate processes • Who are Jack & Jill? • Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support. • And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate. • Step 1. Visit our website https://jackandjill.ai/jack/job-listing?utm_source=job_listing&utm_medium=job_board&utm_campaign=5c6844f4-e456-453d-986b-529d44d2106c. • Step 2. Click 'Talk to Jack'. • Step 3. Talk to Jack so he can understand your experience and ambitions. • Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role. • Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction. • Step 6. If not, Jack will find you excellent alternatives. All for free. • We never post fake jobs • This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. • We appreciate this can make them look a bit suspect, but there isn't much we can do about it. • Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.
Responsibilities
• Design and ship production AI features using advanced prompt engineering and the latest models like Gemini and GPT-5 • Build and maintain robust evaluation frameworks to systematically assess and improve the performance and grounding of AI systems • Integrate complex AI models into a high-performance TypeScript production environment, owning features from initial design through to deployment
Benefits
• Company Description: Gizmo.ai http://Gizmo.ai - Series A edtech startup backed by $22M in funding • Massive traction with 1.5M monthly active users and $5M ARR, scaling rapidly following a $22M Series A funding round • High-impact, early-stage opportunity where you report directly to the CEO and shape the product architecture for millions of global learners • Work at the cutting edge of AI implementation, moving beyond research to deploy production-grade LLM systems using Gemini, GPT-5, and Claude
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