Company: Jack & Jill
Location: London
Posted: April 11th, 2026
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.
Full Stack Software Engineer
Company Description: Well-funded healthtech SaaS
Job Description: You will help shape a B2B2C platform focused on stress reduction and resilience. By developing an intelligent, AI-native coach, you will integrate physiological data and behavioral science into daily user experiences. This role involves taking ownership of complex end-to-end features, making critical technical trade-offs, and driving measurable impact for global users.
Location: London, UK
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.
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.
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