Senior Python Software Engineer

Senior Backend Engineer - build the infrastructure behind a product that changes people's livesAre you a backend engineer who thinks as much about how data is modeled as how fast the API responds? Have you worked cross-functionally with non-technical teammates and actually enjoyed being the person who makes complex systems make sense to everyone else? Do you want to build backend systems for a product with real, tangible impact on people's futures?A high-growth startup is hiring a senior backend engineer to help build the infrastructure behind a product that helps people navigate one of the most complex and high-stakes processes there is. They're a lean team moving fast, with strong early traction and a mission that actually matters to the people using itThey're based across San Francisco and New York, backed by strong investors, and scaling their engineering team off the back of real product-market fitWhat You'll DoDesign and build backend systems and data models that hold up as the product and team scaleWork directly with non-technical teammates to translate complex, real-world processes into clean technical systemsOwn backend services end-to-end, from design through deploymentPartner cross-functionally to make sure what gets built actually solves the right problemBring strong data modeling instincts to a domain where getting the structure right really mattersThe TeamA tight, high-velocity group that values clear thinkers and clear communicators just as much as strong engineers. This is a role where you'll spend real time working with people who aren't technical, so being able to explain your thinking clearly matters as much as the code itselfWhat They're Looking For5+ years of backend engineering experienceStrong Python and data modeling skillsStartup or founding engineer experience strongly preferredExcellent communication skills, comfortable working cross-functionally with non-technical stakeholdersA genuine interest in the mission, not just the tech stackWhat They Offer$200K-$250K base salary plus:A backend-heavy role with real ownership over how the product's data and systems are structuredA small, mission-driven team with real product tractionDirect cross-functional exposure, not siloed engineeringVisa: sponsorship available for TN, O-1, and H-1B transfersA chance to build infrastructure for a product with genuine, tangible impact