Join a high-growth startup building the world’s first AI Autopilot for accounting. As Founding Operator, you will work directly with the CEO to scale every dimension of the business. You will initially own end-to-end hiring before expanding into operations, marketing, and international expansion to remove growth bottlenecks and speedrun your career.
Back to all jobs
See Open Roles
Learn about Jack
This job is no longer actively hiring. Open Roles to see active jobs.
Founding Operator at Briefcase
Briefcase is building the world’s first AI Autopilot for accounting, and they need a Founding Operator to help them scale. Backed by $3M from Earlybird VC and already serving 4,000+ SMEs, this seed-stage startup is looking for a high-aptitude 'top 1%' individual to work directly with the CEO. You'll start by building the team and quickly expand into ops, finance, and international expansion. If you want to speedrun your career and help build a generational company in London, this high-trust, high-equity role is the perfect launchpad.
Want to apply for this role?
This role is no longer actively hiring, but Jack can still help you discover similar open roles that fit.
Location
London, United Kingdom
Compensation
£40k-£80k + Equity
Company
Briefcase
Role overview
Software Development2-10 employees
Briefcase is on a mission to redefine how accounting is done by tackling the manual, repetitive tasks that drain time and talent. It’s pioneering the world’s first AI Autopilot to provide end-to-end automation for complex, context-dependent tasks—from bookkeeping to month-end close.
What you will do
- Lead the end-to-end hiring journey by sourcing, screening, and defining the gold standard for talent as the team scales.
- Solve critical operational bottlenecks across marketing, RevOps, finance, and legal to ensure seamless business execution.
- Manage high-impact special projects including international expansion, investor relations, and organizing exclusive industry events and offsites.
Who this is a fit for
- Demonstrably exceptional individual with a track record of being in the top 1% of their field (academic, athletic, or entrepreneurial).
- Highly autonomous problem-solver with a bias for action who prefers building systems and automating repetitive tasks over manual work.
- Ambitious professional with a STEM background or high technical aptitude who is eager to learn to code and ship fast.
Why this role is remarkable
- Work directly with the CEO as a high-trust partner with outsized responsibility and access to sensitive company strategy from day one.
- Join a fast-growing team backed by $3M from Earlybird VC, already serving 130+ accounting firms and 4,000+ UK SMEs.
- Exceptional career acceleration opportunity to "speedrun" your professional growth by building a generational company in a massive, legacy industry.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.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.
I recruit from Jack’s network and make the intro when I spot a great match.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.
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
Meet Jack
What happens next?
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 your profile’s a match and Briefcase wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.