Compensationnn$240K – $280K • Offers Equitynn## ABOUT SPHEREnnEvery breakthrough in trade infrastructure has followed the same pattern: reduce a transaction cost, expand the market. Containerization for goods. SWIFT for money. Stripe for payments. Compliance is one of the last and largest — and the hardest, because trade rules aren't data to be looked up. They're a complex adaptive system with 190+ sovereign jurisdictions, in different languages, changing constantly, reacting to each other.nn## THE ROLEnnSphere is looking for senior full stack engineers who will own and build out new product lines (input tax, withholding tax, e-invoicing, tariffs) as well as mission critical parts of the Sphere platform (filing infrastructure, tax engine and AI / agentic related features).nn## WHAT YOU'LL DOnnWithin weeks:nn- Ship mission critical features that clients will use daily – e.g. filing infrastructurenn- Own and manage a feature and drive measurable outcomesnn- Work directly with customers like Eleven Labs, Lovable and Deel to improve / optimize that key component of the platform (e.g. improve filing generation and submission speed [x]%)nnWithin months:nn- Own the end-to-end development of new products lines that will help build out our AI-native revenue-based compliance platformnn- Lead / mentor additional engineers in component areas that you have worked innn## REQUIREMENTSnn- Experience in Python . Our core application backend and data pipeline services are built with Python and Djangonn- While frontend / React may not be your primary focus, you’re not afraid to dive in when needednn- Very strong attention to detail. When you work with numbers this is a non-negotiable – it’s not enough to be 99% right.nn## NICE TO HAVESnn- Experience working with large volumes of transaction data. You’ll be getting very familiar with it!nn- Experience with Django or Python ORMnn## WHO YOU AREnnYou'll thrive here if:nn- You're a Dog. You've been underestimated, gone through struggle, and never stopped running. You have a chip on your shoulder and enormous drive. You look at Stripe, Deel, and Flexport all punting on compliance and think: good, that means the opportunity is ours. Hunger beats pedigree.nn- Early stage is in your bones. You've built things where there's no playbook and nobody handing you the answer. You define the problem instead of waiting for instructions.nn- You own it end to end. Give you a goal and you figure out your own path. Small team, global surface area — everyone owns a domain that would be a full team at a larger company. No one tells you how.nn- You believe speed and accuracy are both possible. We're building a complex product that requires robustness and 100% uptime, and we have to build at our customers' pace. Move fast. Don't break things. Both.nn- Being in the room is a feature, not a cost. Five days in SF isn't a policy, it's how the work gets done. The speed and density of collaboration we need doesn't survive over video.nnThis won't be a fit if:nn- You need structure handed to you or ambiguity feels draining rather than motivatingnn- You want to manage people more than own hard problems (we're a flat, experienced team — everyone builds)nn- You're used to "good enough" shipping (small errors have outsized impact here)nn- Being in the room five days a week feels like a cost instead of a benefitnn## Benefitsnn- Compensation Range: $240K – $280K
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