Jack & Jill/External ATS - Founding Product Engineer (£70K - £120K + Equity) at cubic
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Requirements
• At least 6 years of professional software engineering experience with a track record of building and shipping end-to-end products. • Deep technical proficiency in the React/Next.js ecosystem and a passion for crafting high-quality user experiences and product outcomes. • Proven self-starter mentality evidenced by significant side projects, open-source contributions, or previous experience in early-stage startups. • 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=21c05519-ee5a-422d-94dd-88439585258d. • 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
• Architect and build core product features using a modern stack including Next.js, React, Prisma, Inngest, and the Vercel AI SDK. • Own the entire product lifecycle from initial user research and prototyping to production deployment and rapid iteration. • Collaborate directly with the founders to define the technical roadmap and the future of AI-native developer tools.
Benefits
• Exceptional traction with 50% MoM ARR growth and a high-profile customer base including the Linux Foundation, n8n, and Granola. • Elite backing from Y-Combinator (X25) and top builders like PeakXV (Sequoia India), Vercel Ventures, and the founders of Resend and v0. • Opportunity to shape a new product category alongside a team of four repeat founders in a high-velocity, high-autonomy environment.
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