Junior Product Engineer (£30k–£40k + Equity) at StudyStash

Jack & Jill · London, England, United Kingdom
LinkedIn

Posted

Jun 29, 2026 (Jun 29)

Seniority

Junior

Work Model

Not Specified

Type

Contract

Category

Frontend

Salary

£30k – £40k ≈ $38,100 – $50,800 USD

Skills

CSS Go LLM Next.js Node.js PostgreSQL React Tailwind CSS TypeScript

Description

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. Job Title Junior Product Engineer Salary £30,000–£40,000 + Equity Company Description B2B AI education startup transforming university learning engagement Job Description Join a fast-growing 16-person team building the future of higher education through AI. As a Junior Product Engineer, you will ship production code across the full stack, developing student-facing study tools and university analytics. This role offers high ownership, direct feedback loops, and the chance to work with modern LLM tooling. Location London, UK Why this role is remarkable You will ship production code early in your career with real ownership over features that impact student learning outcomes. Work in a high-momentum environment with a small, elite team of 16 people where your contributions are immediately visible. Gain deep exposure to the cutting edge of AI, utilizing a modern stack including Next.js, TypeScript, and various LLM providers. What You Will Do Build student-facing features like AI-generated flashcards, notes, and analytics using Next.js, TypeScript, and PostgreSQL. Develop and improve lecturer workflows, including complex LMS/LTI integrations and administrative reporting dashboards. Manage the end-to-end product lifecycle from technical implementation to performance optimization and accessibility improvements. The ideal candidate You have a track record of building and shipping web applications, internal tools, or sophisticated side projects. You are proficient with React, Tailwind CSS, and Node.js, with a strong desire to master full-stack development. You have experience or a deep interest in building with AI tooling such as Claude, Cursor, or similar LLM frameworks. 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. How does this work? Jack's an AI agent for job searching and career coaching. He works for you. Jill is the AI recruiter working for the company. She recruits from Jack's network. If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives. 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. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description. 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.