Python Developer

Job Title: Python DeveloperTax Terms: W2 onlySkills: Python, E-commerce and APILocation: San Ramon CAAs a Tech Lead / Staff Engineer, you will play a critical role in shaping backend architecture, setting engineering standards, and ensuring the scalability, reliability, and quality of systems that directly impact revenue and customer experience worldwide.Role OverviewThis is a senior, hands‑on technical leadership role. You are not a people manager — you are a technical authority. You will lead by example through deep coding involvement, architectural ownership, and stewardship of engineering quality across backend systems. The team will rely on you for technical direction, decision‑making, and setting the bar for excellence.Duties / Day‑to‑Day ResponsibilitiesServe as a technical leader and owner of backend architecture across ecommerce and personalization systemsDesign, build, and evolve scalable backend services and APIsMake and drive architectural decisions with a long‑term scalability and reliability mindsetRemain deeply hands‑on with production codeOwn code quality standards and best practicesPerform, gate, and guide code reviews across the teamPartner closely with Product, Frontend, and Business stakeholders to translate business goals into technical solutionsMentor engineers through technical guidance and design reviews (without formal people management)Lead complex initiatives involving performance optimization, reliability, and system scalabilityParticipate in production deployments, monitoring, and incident resolutionNavigate ambiguity and provide technical clarity in fast‑moving environmentsTop Requirements (Must‑Haves)Master’s degree in Computer Science or equivalent practical experienceStrong backend engineering expertise in Python or TypeScript (both not required)Proven experience designing and owning backend systems at scaleDeep understanding of:System design and architectureDesign patternsScalability, reliability, and performance optimizationStrong familiarity with frontend technologies such as ReactJS, Redux, HTML5, and CSS3 (for effective cross‑stack collaboration)Excellent communication skills with the ability to explain complex technical concepts to both technical and non‑technical audiencesStrong ownership mindset and ability to drive technical decisions independentlyPassion for building high‑impact ecommerce platformsExperience with DynamoDB (nice to have)Deep ecommerce domain experience, especially on the buy side:CartCheckoutPaymentsExperience integrating payment providers (e.g., Stripe, PayPal, Apple Pay, Google Pay, Amazon Pay)Familiarity with PCI, security, and compliance considerationsExposure to global commerce and multi‑region systems