Senior Software Engineer - Tax Platform

About the role

We process over $30 billion in annual payroll for 1 million+ employees—growing 50% year-over-year. We're looking for a Senior Software Engineer who takes ownership of complex problems, designs robust systems, and delivers high-quality solutions that directly impact millions of tax calculations. You'd be joining one of only ~5 companies in the world that owns the full tax stack.

What you'll do

• Track record of owning and delivering impactful projects autonomously
• Rigorous approach to correctness—you write tests, handle edge cases, and think about failure modes
• Building an AI-Driven Global Tax Engine with explainable AI for full audit defensibility
• Building Distributed Transactional Systems handling $100B+ in tax payments
• Automating Tax Filing to minimize manual intervention at scale

What you need

• 5–9 yrs of experience
• System design
• Python
• Django
• Any graduate

Good to have

• MongoDB
• AWS
• Go
• Redis
• Kubernetes
• Datadog