{"schemaVersion":"jobsearcher.job.v1","id":"5e93b667ed02ca6794889750","url":"https://jobsearcher.com/jobs/5e93b667ed02ca6794889750","canonicalUrl":"https://jobsearcher.com/jobs/5e93b667ed02ca6794889750","title":"Senior Python Engineer (Backend)","description":"☁️ About the Role A fast-scaling SaaS startup is hiring a Senior Backend Engineer to join a small, high-output engineering team tackling genuinely hard problems in cloud financial data. You'll own critical backend systems that make complex billing data accessible, reliable, and fast for enterprise customers, while staying connected to the frontend, data pipelines, and infra that power the product.You'll collaborate daily with Product, Design, and data engineers, weigh in on architecture decisions, and help shape how the team builds and operates software. This is a high-ownership role at a company working in a market niche where the stakes are real and the technical bar is high.***This role is hybrid in San Francisco, CA. Prospective candidates MUST be currently located in the Bay Area, CA ******This role is unable to work on C2C requirements. This is a fulltime, W2 role***🛠️ What You'll DoDesign, extend, and operate backend services powering data-heavy product experiencesBuild and maintain APIs and backend workflows that frontend and data engineers can integrate with easilyWork confidently against OLAP and OLTP data stores (PostgreSQL, ClickHouse, S3) to deliver low-latency, reliable APIsOwn billing and financial data modeling, including performance, correctness, and observabilityCollaborate with data engineers on ETL and validation patterns that keep downstream experiences fast and trustworthyHelp shape testing, CI/CD, and operational excellence for backend servicesMentor teammates and contribute to raising the engineering bar across the stack✅ What We're Looking For5+ years of backend or full-stack engineering with a strong backend emphasis3+ years of Python in production servicesSolid experience designing and consuming RESTful or JSON-based APIs (auth, pagination, error handling)Strong SQL and data modeling skills across transactional and analytical workloadsExperience with data-heavy products where correctness and performance are non-negotiableStartup experience or a genuine ability to thrive in oneConsideration of data quality and reliability in productionNice to HaveClickHouse or other OLAP datastore experienceAirflow or other orchestration toolingDistributed systems, event-driven architectures, or background job queuesAWS experience (networking, IAM, serverless, containers, or data services)💥 Why Apply?Work on a product where the technical challenges are real and the market impact is significantHigh ownership over backend architecture in a small, senior-leaning teamDirect collaboration with founders and engineers across the full stackFast-moving environment where your contributions ship and matter immediately***This role is unable to work on C2C requirements. This is a fulltime, W2 role***","company":"Arcadia","rawCompany":"arcadia","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-04-19T02:48:30.467Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1243.01","title":"Data Warehousing Specialists","slug":"data-warehousing-specialists"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Python Engineer (Backend)","description":"☁️ About the Role A fast-scaling SaaS startup is hiring a Senior Backend Engineer to join a small, high-output engineering team tackling genuinely hard problems in cloud financial data. You'll own critical backend systems that make complex billing data accessible, reliable, and fast for enterprise customers, while staying connected to the frontend, data pipelines, and infra that power the product.You'll collaborate daily with Product, Design, and data engineers, weigh in on architecture decisions, and help shape how the team builds and operates software. This is a high-ownership role at a company working in a market niche where the stakes are real and the technical bar is high.***This role is hybrid in San Francisco, CA. Prospective candidates MUST be currently located in the Bay Area, CA ******This role is unable to work on C2C requirements. This is a fulltime, W2 role***🛠️ What You'll DoDesign, extend, and operate backend services powering data-heavy product experiencesBuild and maintain APIs and backend workflows that frontend and data engineers can integrate with easilyWork confidently against OLAP and OLTP data stores (PostgreSQL, ClickHouse, S3) to deliver low-latency, reliable APIsOwn billing and financial data modeling, including performance, correctness, and observabilityCollaborate with data engineers on ETL and validation patterns that keep downstream experiences fast and trustworthyHelp shape testing, CI/CD, and operational excellence for backend servicesMentor teammates and contribute to raising the engineering bar across the stack✅ What We're Looking For5+ years of backend or full-stack engineering with a strong backend emphasis3+ years of Python in production servicesSolid experience designing and consuming RESTful or JSON-based APIs (auth, pagination, error handling)Strong SQL and data modeling skills across transactional and analytical workloadsExperience with data-heavy products where correctness and performance are non-negotiableStartup experience or a genuine ability to thrive in oneConsideration of data quality and reliability in productionNice to HaveClickHouse or other OLAP datastore experienceAirflow or other orchestration toolingDistributed systems, event-driven architectures, or background job queuesAWS experience (networking, IAM, serverless, containers, or data services)💥 Why Apply?Work on a product where the technical challenges are real and the market impact is significantHigh ownership over backend architecture in a small, senior-leaning teamDirect collaboration with founders and engineers across the full stackFast-moving environment where your contributions ship and matter immediately***This role is unable to work on C2C requirements. This is a fulltime, W2 role***","datePosted":"2026-04-19T02:48:30.467Z","dateModified":"2026-04-19T02:48:30.467Z","hiringOrganization":{"@type":"Organization","name":"Arcadia","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"5e93b667ed02ca6794889750"},"url":"https://jobsearcher.com/jobs/5e93b667ed02ca6794889750"}}