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Posted May 3, 2026

Senior Software Engineer (Fullstack)

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Accounting software hasn’t fundamentally changed in decades. The tools finance teams rely on were built for manual entry, static reports, and slow month-end workflows. We think that’s broken, and we’re fixing it.

Puzzle rebuilt the accounting stack from the ground up. At the core is a real-time financial engine that ingests high volumes of data from modern fintech tools and turns it into clean, reliable financials. On top of that foundation, we’re building the workflows, automation, and insights that help accounting professionals move faster, without sacrificing accuracy.

We move quickly. We ship often. And we don’t compromise on correctness.

We’re looking for a Senior Software Engineer who can take ownership of meaningful product areas, collaborate tightly with stakeholders, and execute with both speed and care.

The Opportunity

This is a fast-paced startup. Priorities evolve. Scope sharpens as we learn. Engineers are expected to participate in shaping solutions- not just implementing tickets.

Velocity matters here. But so does trust.

Our customers rely on our systems for financial accuracy. That means clean abstractions, thoughtful data handling, and strong engineering judgment. We build for clarity, performance, and maintainability- not shortcuts.

We also believe AI-assisted development is table stakes. We want engineers who actively leverage AI tools to increase productivity, explore edge cases, and improve code quality, without outsourcing thinking.

If you thrive in high-ownership environments, care deeply about building correct and maintainable systems, and want to move fast while solving real, meaningful problems- this is the role for you.

What You’ll Do

Who You Are

Bonus: Experience in fintech, accounting systems, or other correctness-critical domains.

What’s in it for you?

Join Puzzle Financial at a pivotal growth stage where you'll help redefine and reimagine how companies handle their financials while building your career in a flexible, remote-first environment. You'll have the opportunity to make a significant impact, work with innovative founders, and develop valuable expertise at the intersection of modern accounting and fintech.

Here is a preview of some of the amazing benefits here at Puzzle:

*Visa Sponsorship Notice: Puzzle does not provide visa sponsorship for new hires at this time. We can only consider candidates who are legally authorized to work in the U.S. or Canada without requiring new visa sponsorship or transfer of an existing visa.

Candidates should be currently residing in the U.S. or Canada to be eligible for this position. If hired, you will be required to present proof of work authorization. This employer is a participant of the E-Verify program.

Puzzle is an equal opportunity and affirmative action employer. We welcome and encourage diversity in the workplace regardless of gender, race or color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other characteristics protected by law

Interested in this role?Apply on iHire