Full Stack Developer (Tech Lead Onshore / Architect)

Job Title: Full Stack Developer (Tech Lead Onshore / Architect)Location: Bay Area, California & Seattle, WADuration; Contract/Full-Time15+ years Full Stack Lead with strong PHP/Java backend, React frontend, microservices, APIs, enterprise integrations, and domain expertise in Finance, HR Tech, Procurement, Revenue Operations, or Supply Chain. Basic exposure to AI tools is sufficient.Basic Purpose:15+ years of experience as a Full Stack Engineer / Technical Lead.Strong backend development experience in PHP /Java, Golang, Python, or Node.js.Strong frontend experience with React.js, TypeScript, and JavaScript.Heavy focus on backend development (around 80%) and enterprise-scale applications.Experience building microservices, REST APIs, GraphQL services, and system integrations.Strong knowledge of MySQL and enterprise application architecture.Domain expertise in at least one of the following:General Accounting / Asset AccountingFinance Operations / FinTechOracle ERP IntegrationsHR Tech / HCM / Workday / SuccessFactorsPayables, Purchasing, ProcurementRevenue, Credit & CollectionsSupply Chain & Sourcing OperationsExperience with procurement, sourcing, purchasing, or supply chain automation is highly preferred.Ability to design scalable, secure, and high-performance systems.Strong stakeholder communication and technical leadership skills.