Senior Software Engineer

Senior Software EngineerBuild foundational systems behind real‑world decisionsFull‑time · Hybrid- (San Francisco) $225K–$300K + meaningful equityThe OpportunityAn extremelywell‑funded, YC‑backed Series A start-upis building a next‑generation platform that sits at the intersection ofdata, automation, and high‑stakes decision‑making .The product is already live, widely used, and growing quickly. The next chapter is aboutdeepening the platform , scaling carefully, and raising the technical bar across systems that must bereliable, explainable, and correct .This is a role for Senior / Staff engineers who want to work close to the core.Why This Role Is DifferentSubstantial ownership : You’ll take responsibility for meaningful parts of the platform, from design through execution. High trust environment : Small, senior team. Few layers. Real autonomy. Clear impact : Your work directly influences outcomes that matter to end users and customers. Strong compensation : Competitive cash at Series A plusmeaningful equity . Practical interviews : Real‑world system design and problem‑solving, no algorithm games.What You’ll Work OnCore application and platform systems Complex backend and data heavy workflows Scalable services operating in aregulated or sensitive context Accuracy critical logic where edge cases matter Cross‑stack problem solving, with abackend leaning focusThe problems are nuanced, the constraints are real, and the solutions need to hold up over time.Requirements: You’re likely a strong fit if you:Have8+ yearsof professional Full Stack software engineering experience – with a Backend Lean HaveTypeScript, React.js, Node.js, Python -Experience with data driven or intelligent systems is helpful but not required Have owned or significantly shapedproduction systems Have experience working onComplex Backend systems at Infrastructure level Are comfortable making architectural trade-offs with incomplete information Have experience inearly‑stage or fast‑moving environments Are self‑directed, communicative, and pragmatic Prefer building durable systems over shipping throwaway code Ideallyhave some experience with AI/ML – Chatbots/ fine-tuning models etc Computer Science Degreeis a bonus.The Environment ~30 people total,lean senior engineering team Revenue‑generating, well‑capitalized, and growing Multiple senior hires planned On‑sitecollaboration in San FranciscoThe Bottom Line This is a role for engineers who want to:Own meaningful technical decisions Work on systems that actually get used Be paid competitively for senior‑level impact Build something substantive alongside other strong engineersA high‑quality opportunity for the right person.Apply now– Candidates must be US Citizens. No Sponsorship available.