Product Engineer (Sr/Staff)

About Taxwire Taxwire is building the last global indirect-tax platform finance teams will ever need. We help companies understand their tax exposure, calculate and collect the right amount, automate registrations and filings, and stay compliant as they grow across jurisdictions. Indirect tax is high-stakes, fragmented, and unforgiving. Rules change constantly, vary by product and location, and create real financial risk when companies get them wrong. We hire people with high ownership, strong judgment, and low ego. Everyone at Taxwire is expected to understand the customer, solve messy problems end to end, and build systems that scale. We move quickly because our customers depend on us to get it right. We’ve raised approximately $25 million, serve hundreds of SMB and mid-market companies, and continue to win customers away from legacy providers. We’re proud to have had zero churn to date. If you want to solve a massive, permanent problem alongside experienced tax experts and product builders, Taxwire is the place to do it.

We’re looking for a full-stack engineer who cares deeply about winning and solving customer problems. You’ll ship new products end to end and embed in our users’ workflows to automate, streamline, and delight wherever possible.   What you’ll build Examples of what you’d build / where you’d contribute at Taxwire if you joined today. New products: You'll work directly with Andrew (CEO) and Kent (Head of Product) to ship new customer-facing features and product lines. Think leveraging agents to automate specific high-friction workflows customers deal with today to bigger swings that change what customers expect from compliance providers and help us expand into new customer segments. Our tax filings engine & managed compliance services: Fully automated sales tax compliance runs on a stack of half-manual workflows that mostly work until they don't, and the failure is expensive. You’ll help us build the automation layer that helps us scale without sacrificing accuracy. The core work is the filing pipeline: calculating what's owed, preparing returns, and submitting them to state portals across every jurisdiction we cover. Some states have APIs. Many don't. The automation has to handle both. Navigating portals, reconciling confirmations from customers, managing payment infrastructure, and surfacing only the genuinely ambiguous cases for human review instead of routing everything there by default. Beyond submissions, there's the operational layer that surrounds them: pulling new customer registrations in from external platforms, automating the data and approval workflows our tax team uses to review filings before they go out, and building the internal tooling that gives them visibility and control as the volume scales. You'll work closely with Marissa and the broader tax ops team — they run the operations end-to-end and they'll tell you exactly where the automation breaks down.   Who thrives here Senior engineers with 5-10 years of experience, maybe more. A few archetypes we've seen do well: Former founders. People who’ve built something and either sold it, shut it down, or otherwise moved on. We have a handful on the team already. They tend to be high-agency and outcome-oriented. We give them a lot of ground and let them run. Future founders. People who haven’t started their thing yet but plan to eventually, and want to see what a winning team looks like before they go do it themselves. The customer-curious. People obsessed with the customer and the business problems. They want to be on the calls, doing interviews, taking some of the customer-facing work over themselves. The engineers who do best here become best friends with Marissa. Builders who want to win. We’re deeply serious about the work, our customers, and doing whatever it takes to win. Engineers who want to see the business succeed first and foremost thrive here.   What you’ll do Own features end-to-end,