Founding Engineer Full-Stack (CHF 100k-125k + Equity) at Fast-growing AI au at Jack & Jill/External ATS

Zurich, Zurich, Switzerland -

Full Time

Start Date

Immediate

Expiry Date

01 Apr, 26

Salary

125000.0

Posted On

01 Jan, 26

Experience

2 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Full-Stack Development, Web Applications, User Experience, LLM-Powered Applications, Entrepreneurial Mindset, AI Solutions, B2B Software, Data Infrastructure, Frontend Development, Backend Development, AI Agents, Product Modules, High Performance, Reliability, Quality

Industry

Staffing and Recruiting

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. Founding Engineer Full-Stack Salary: CHF 100k-125k + Equity Company Description: Fast-growing AI automation startup Job Description: Join a high-performance team building agentic AI solutions to modernize the retail industry. As a founding engineer, you will design technical foundations, develop intelligent LLM pipelines, and own product modules end-to-end. You will work directly with business stakeholders to translate customer needs into intuitive, high-impact B2B software experiences. Location: Zurich, Switzerland Why this role is remarkable: Rare opportunity to join a founding team and shape the technical DNA of an AI-first company during its defining years. Backed by top-tier European venture capital firms and led by a team with experience from elite global institutions. Exceptional growth path with the potential to scale into Tech Lead or Product Engineering Lead roles within 18-24 months. What you will do: Define technical foundations across frontend, backend, and data infrastructure to enable rapid iteration. Experiment with modern agentic frameworks to build reliable and observable AI agents for enterprise production. Own full product modules from initial sketch to production, ensuring high performance, reliability, and quality. The ideal candidate: 2–4 years of experience building high-performance web applications with a strong focus on user experience. Proven expertise in building and deploying LLM-powered applications from the ground up. Entrepreneurial mindset with the ability to move fast in an ambiguous environment and own entire features. 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. Next steps Step 1. Visit our website. 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. 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.

Responsibilities

As a founding engineer, you will design technical foundations and develop intelligent LLM pipelines. You will own product modules end-to-end and work directly with business stakeholders to create impactful software experiences.