Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Design and deploy AI agents to automate accounting workflows for enterprise clients.
- Company: Join Briefcase, an innovative AI-driven startup revolutionising accounting.
- Benefits: Equity in the company, competitive salary, and a chance to shape culture.
- Why this job: Be part of a founding team and make a real impact in financial services.
- Qualifications: Proficient in React, TypeScript, and passionate about AI technologies.
- Other info: Collaborate directly with founders in a fast-paced, dynamic environment.
The predicted salary is between 36000 - 60000 £ per year.
Company Description: Briefcase - AI-driven system of record automating accounting workflows.
Job Description: Join as a founding engineer to build a next-generation system of record that leverages custom AI agents and a bespoke data platform. You will redefine manual accounting workflows from the ground up, working directly with the founders to ship fast, iterate on customer feedback, and own high-impact projects from conception to delivery.
Location: London, UK
Why this role is remarkable: Founding team equity and influence provide significant financial upside and the chance to shape the company's core culture and technical DNA. You will push the frontier of financial services by building industry-leading AI agents within a product-obsessed, high-velocity engineering environment. Direct collaboration with founders on a system of records platform designed to automate complex, manual workflows for a clear and immediate market need.
What you will do:
- Design and deploy custom AI agents and automated workflows to eliminate manual accounting tasks for enterprise customers.
- Partner directly with founders to spec, prioritize, and deliver core product features while maintaining a bias towards shipping fast.
- Architect and refine the technical stack, experimenting with modern tools to ensure the platform remains powerful yet simple to use.
The ideal candidate:
- Proactive engineer with a high degree of autonomy and a proven track record of outperforming peers in fast-paced startup environments.
- Technically proficient in modern stacks including React, TypeScript, GraphQL, Temporal, AWS, and passionate about cutting-edge AI technologies.
- Product-minded individual who enjoys in-person collaboration and is excited to own end-to-end projects that deliver tangible value to customers.
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.
Founding Product Engineer at Briefcase in London employer: Jack & Jill/External Ats
Contact Detail:
Jack & Jill/External Ats Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Founding Product Engineer at Briefcase in London
✨Tip Number 1
Get to know the company inside out! Research Briefcase and its mission to automate accounting workflows. This will help you tailor your conversations and show that you're genuinely interested in being part of their journey.
✨Tip Number 2
When you chat with Jack, be ready to share your past experiences and how they align with the role. Highlight your autonomy and any projects where you've pushed boundaries in fast-paced environments—this is what they’re looking for!
✨Tip Number 3
Don’t shy away from showcasing your technical skills! Be prepared to discuss your proficiency in modern stacks like React and TypeScript, and how you’ve used them to create impactful solutions in previous roles.
✨Tip Number 4
Finally, keep the conversation flowing! Ask Jack questions about the team culture and the challenges Briefcase is facing. This not only shows your enthusiasm but also helps you gauge if it’s the right fit for you.
We think you need these skills to ace Founding Product Engineer at Briefcase in London
Some tips for your application 🫡
Show Your Passion for AI: When you're writing your application, let us see your enthusiasm for AI technologies. Mention any projects or experiences that highlight your skills in this area, as it aligns perfectly with what we're looking for at Briefcase.
Be Specific About Your Experience: We want to know about your past work, especially in fast-paced environments. Share specific examples of how you've tackled challenges and delivered results, particularly in product engineering or automation.
Tailor Your Application: Make sure your application speaks directly to the role of Founding Product Engineer. Highlight your technical proficiency with modern stacks like React and TypeScript, and how you can contribute to our mission of redefining accounting workflows.
Follow Our Application Steps: Don't forget to apply through our website! Follow the steps outlined, especially talking to Jack. This personal touch helps us understand your ambitions and ensures your application gets the attention it deserves.
How to prepare for a job interview at Jack & Jill/External Ats
✨Know Your Tech Stack
Make sure you’re well-versed in the technologies mentioned in the job description, like React, TypeScript, and GraphQL. Brush up on your knowledge of these tools and be ready to discuss how you've used them in past projects.
✨Show Your Product Mindset
Prepare to talk about how you approach product development. Think of examples where you’ve taken ownership of a project from start to finish, especially in fast-paced environments. Highlight your ability to iterate based on feedback and deliver value quickly.
✨Understand AI Applications
Since this role involves building AI-driven solutions, be prepared to discuss your understanding of AI technologies and how they can be applied to automate workflows. Share any relevant experiences or projects that showcase your passion for cutting-edge tech.
✨Engage with Founders' Vision
Research Briefcase and its founders to understand their vision and culture. Be ready to discuss how your values align with theirs and how you can contribute to shaping the company’s core culture and technical DNA.