Full Stack Software Developer (work in Silicon Valley)

JustPaid is a startup on a mission to modernize the financial infrastructure that powers how companies sell to other companies.

We are building the financial operating system for the next generation of businesses.

Founders, executives, startups, and finance teams are drowning in time-sucking financial work: messy sales contracts, fragmented billing models, unpredictable cash flow, and outdated, expensive tools that slow everything down.

The financial stack today is broken.

We are not building another dashboard or another shallow app. We are building real infrastructure that sits at the core of how modern companies make and collect money.

👉 Watch a 2-minute video on what we’re building first

👉 Apply directly at https://www.justpaid.ai/careers (we review direct applicants first)

This is an early role with real ownership. You’ll ship meaningful product, touch real production systems, and help shape the technical direction as we scale.

If you want to look back one day and say, “I helped build that from the ground up,” this is that role.

What you’ll do

• Build core product features used daily by finance teams and founders
• Work across the stack and ship to production
• Collaborate closely with product, design, and customers
• Help define technical direction as the company grows

What we value

• Strong fundamentals and genuine curiosity
• Ownership mindset and high agency
• Comfort with ambiguity and fast iteration
• Clear communication and deep respect for users

The kind of person who thrives here

You don’t need to check every box.

If you’re smart, driven, and excited about building something important—and you want to be part of a small team that moves fast and cares about doing things the right way—we want to hear from you.

You’ll work closely with the team and founders remotely, with a lot of trust, autonomy, and support.

Interview Process

You’ll start with a Zoom conversation with the founders and team to see if there’s a fit.

We don’t do long, drawn-out interview loops. We keep it simple and respect your time.

If there’s mutual interest, we’ll ask you to show us something you’re genuinely excited about—anything works:

• A side project
• An experiment or prototype
• A tool you’ve built and love
• Or a walkthrough of your GitHub and the work you’re most proud of

We move fast, communicate clearly, and make decisions quickly—without unnecessary steps.

We’re especially excited to work with engineers based in the Bay Area. Build from anywhere, but if you’re nearby, even better. You’ll work with a tight, founder-led team.

We’re hiring across multiple roles—see all open positions here: https://www.justpaid.ai/careers

Quick video: How to get hired at JustPaid - https://www.youtube.com/watch?v=QyjaNMuimas