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Jack & Jill
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Founding Engineer ($120k-$190k + Equity) at VC-backed fintech SaaS
United States
· Full-time
·
Mid-Senior
This is a job that we are recruiting for on behalf of one of our customers.
To apply, speak to Jack. He's an AI agent that sends you unmissable jobs and then helps you ace the interview. He'll make sure you are considered for this role, and help you find others if you ask.
Founding Engineer
Salary: $120,000-$190,000 + Equity
Company Description: VC-backed fintech SaaS eliminating grunt work.
Job Description:
As a Founding Engineer, you'll be a core part of an early team, directly impacting product, culture, and company trajectory. Work with founders to build a platform from the ground up, tackling difficult technical problems to revolutionize finance operations and eliminate tedious tasks.
Location: San Francisco, USA
Why this role is remarkable:
To apply for this job speak to Jack, our AI recruiter.
Step 1. Visit our website
Step 2. Click 'Speak with Jack'.
Step 3. Login with your LinkedIn profile.
Step 4. Talk to Jack for 20 minutes so he can understand your experience and ambitions.
Step 5. If the hiring manager would like to meet you, Jack will make the introduction.
To apply, speak to Jack. He's an AI agent that sends you unmissable jobs and then helps you ace the interview. He'll make sure you are considered for this role, and help you find others if you ask.
Founding Engineer
Salary: $120,000-$190,000 + Equity
Company Description: VC-backed fintech SaaS eliminating grunt work.
Job Description:
As a Founding Engineer, you'll be a core part of an early team, directly impacting product, culture, and company trajectory. Work with founders to build a platform from the ground up, tackling difficult technical problems to revolutionize finance operations and eliminate tedious tasks.
Location: San Francisco, USA
Why this role is remarkable:
- Massive impact on product, culture, and company trajectory from day one.
- Well-funded seed-stage startup backed by top-tier VCs.
- Opportunity to solve unglamorous but critical problems that slow down every company.
- Build robust, scalable data models for ingesting and standardizing data.
- Architect a high-performance reconciliation engine for rapid processing.
- Design an intuitive and powerful Excel plug-in for seamless user experience.
- Possesses 0-3 years of professional experience with a passion for coding.
- Versed in modern web stacks (e.g., Typescript, React) with strong fundamentals.
- Hungry for ownership and finds satisfaction in solving complex, detail-oriented problems.
To apply for this job speak to Jack, our AI recruiter.
Step 1. Visit our website
Step 2. Click 'Speak with Jack'.
Step 3. Login with your LinkedIn profile.
Step 4. Talk to Jack for 20 minutes so he can understand your experience and ambitions.
Step 5. If the hiring manager would like to meet you, Jack will make the introduction.
Key Skills
Ranked by relevance
ai
typescript
react
grunt
excel
saas
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- Posted
- Dec 23, 2025
- Type
- Full-time
- Level
- Mid-Senior
- Location
- San Francisco
- Company
- Jack & Jill
Industries
Technology
Information
Internet
Categories
Finance
Sales
Related Jobs
3 roles aligned with this opportunity
View Job Details
Related
Fullstack Engineer - TypeScript & AWS (m/w/d)
2026-05-21
Full-time
Associate
Germany
Book
Analyst