Senior Software Engineer
Department: Engineering
Location: San Francisco
Employment Type: FullTime
About Rejigg
Rejigg is redefining how small businesses change hands. Our AI-powered marketplace connects buyers and sellers, automates diligence, and simplifies transactions, making entrepreneurship more accessible and ownership transitions radically easier.
The process today is fragmented, opaque, and full of middlemen. We are fixing that and it is working. Today, we work with tens of thousands of buyers, thousands of sellers, and are on pace to 10x year over year.
About the Role
The code you write will directly power one of the biggest decisions in someone’s life: selling their legacy or stepping into ownership. It is emotional, it is complex, and it deserves care. The product is still early. You will be joining as our third engineer, working directly with the founders and early team to turn customer insights into fast, reliable, and scalable software.
We are a well-funded, tight-knit team based in San Francisco. You will be building at the intersection of AI and marketplaces, of spreadsheets and real people. It is a unique opportunity to own major parts of the stack, shape the technical foundation, and help set the culture for how we build.
What You Will Do
Build and ship features end to end, from early prototype to production
Work closely with customers, founders, and GTM teammates to rapidly turn insight into product
Own implementation across the stack — backend, frontend, database, infrastructure
Help evolve the architecture as the product and team scale
Write clean, maintainable code and contribute to a culture of technical excellence
What We Are Looking For
6+ years of experience as a full stack engineer, ideally in fast-moving, early-stage teams
Comfort working across backend and frontend (we use Django and Next.js)
Strong product instincts and care for UX and speed
Interest in small businesses, entrepreneurship, or ownership transitions
Excited to work in-person most days in our downtown SF office
Why Rejigg
High ownership, fast decision cycles, and direct collaboration with founders. You will help shape the product, team, and company from the ground up
Competitive salary and meaningful early equity
Generous health coverage with 100 percent of premiums reimbursed up to the maximum QSEHRA allowance
A mission that matters, making small business ownership more accessible
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