Senior Backend Engineer ($180k-$220k + Equity) at SF cloud financial data platform

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers.She will pick the best candidates from Jack's network.The next step is to speak to Jack.Job TitleSenior Backend EngineerSalary$180k-$220k + EquityCompany DescriptionHigh-growth SF cloud financial data platform founded by industry experts with a massive 35k+ community and multi-billion dollar market potential.Job DescriptionYou will own the backend architecture for a sophisticated SaaS platform that processes hundreds of millions of rows of cloud billing data. Navigating complex OLTP and OLAP systems like PostgreSQL and ClickHouse, you will build sub-second APIs that help Fortune 500 enterprises manage millions in infrastructure spend with total precision and clarity.LocationSan Francisco, USAWhy this role is remarkableWork at the ground floor of a startup with a massive "unfair advantage"—an existing community of 35,000 subscribers and deep Fortune 100 relationships.Tackle extreme technical challenges involving near-unbounded data cardinality and the ingestion of terabytes of unstructured commercial billing contracts.Join a small, elite team of under 10 people where you will have total autonomy to shape foundational architectural decisions and ship code daily.What You Will DoDesign and operate robust backend services using Python and Flask that serve as the backbone for the flagship Skyway cloud financial platform.Build and maintain high-performance APIs and data validation patterns that enable frontend and data engineers to deliver low-latency product experiences.Optimize complex data workflows across PostgreSQL and ClickHouse to ensure financial correctness and observability for clients making million-dollar decisions.The ideal candidate5+ years of professional backend experience with at least 3 years explicitly building and operating production-scale services in Python.Expert-level SQL skills and experience managing data-heavy applications using both transactional (OLTP) and analytical (OLAP) databases like ClickHouse.A product-minded engineer who thrives in high-autonomy startup environments and values shipping reliable, high-quality code over following rigid specifications.Who are Jack & Jill?Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.Next stepsStep 1. Visit the job listing.Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-backend-engineer-180k-220k-equity-at-sf-cloud-financial-data-platform-89f3bbbc-f487-4900-9e38-1b1612e0c1ea?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_89f3bbbc-f487-4900-9e38-1b1612e0c1eaStep 3. Talk to Jack so he can understand your experience and ambitions.Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.Step 6. If not, Jack will find you excellent alternatives. All for free.We never post fake jobsThis isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.We appreciate this can make them look a bit suspect, but there isn't much we can do about it.Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.