Top Staff Software Engineer Jobs in San Francisco, CA

Lead modernization of high-throughput cybersecurity detection engines and event pipelines in Go. Own distributed-system reliability, observability, liveness monitoring, load management, schema standards, drift detection, migration validation, and safe cutovers. Provide hands-on technical leadership across teams, set platform direction, write and review production code, and support Sigma-based detection capabilities. Collaborate across a broad stack including Kafka, Temporal, Redis, ClickHouse, Elasticsearch, Kubernetes, cloud platforms, and Ruby on Rails.

Leads technical vision and strategy for Affirm’s Marketplace, Search, Ads Platform, and consumer experiences. Designs scalable full-stack platforms, guides architecture and technical excellence, coordinates initiatives across engineering teams, mentors engineers, and drives reliable delivery of customer-focused products across iOS, Android, and Web.

Staff Cloud Infrastructure Engineer responsible for architecting and operating AWS infrastructure supporting regulated financial services. The role owns EKS, Terraform, CI/CD, observability, disaster recovery, networking, security, cost optimization, and AI/ML infrastructure. It provides technical leadership through architecture decisions, cross-functional initiatives, incident escalation, mentoring, and platform standardization. The position requires deep AWS, Kubernetes, infrastructure-as-code, Linux, networking, database, and reliability expertise, with hybrid work in Culver City or San Francisco.

Lead infrastructure resiliency, observability, scalability, and performance initiatives for Orb’s revenue platform. Build reliable, performance-critical infrastructure, including real-time event processing; design recovery mechanisms, tenant isolation, and load-spike handling; investigate complex failures; plan for customer growth; partner with engineering teams; and mentor engineers on reliability best practices.

Build and operate AI-first full-stack applications, internal tools, service connectors, automations, and data products supporting business functions. Translate operational and financial reconciliation needs into scalable software solutions, integrate business systems, improve engineering processes, and own products across the full lifecycle. The role requires production engineering experience, data warehouse and SQL expertise, and familiarity with frontier AI tooling, with opportunities to evaluate LLM systems and work with platforms such as Snowflake, dbt, and enterprise business applications.

Lead the technical vision and architecture for Anyscale’s platform infrastructure, including control and data planes that orchestrate Ray clusters across cloud and on-premises environments. Design scalable distributed systems, establish reliability and observability standards, guide Kubernetes and container infrastructure, integrate GPUs and TPUs, resolve technical debt, mentor engineers, and influence cross-functional technical strategy.

Lead architecture and hands-on development of Replit’s agentic commerce and payments platform. Build purchasing workflows, merchant integrations, agent-facing APIs, secure authorization, enterprise controls, provisioning, subscriptions, refunds, reconciliation, and reliable distributed transaction processes. Drive cross-team delivery, mentor engineers, and ensure agent-driven purchases are secure, auditable, idempotent, and successfully fulfilled.

Lead architecture and delivery of clinician-facing and patient-facing Android applications for neural interfaces and powered exoskeletons. Build real-time streaming data visualizations, device connectivity, cloud integrations, and safety features. Develop within IEC 62304 and FDA-regulated processes, producing documentation for audits and submissions. Partner with medical teams, translate user feedback into designs, and direct external contributors while ensuring accessibility, compliance, and integration quality.

The Staff Software Engineer will develop and execute technical strategies for Cash App Banking, lead architectural decisions, and mentor engineers, focusing on innovative financial solutions.

Own and lead Coinbase’s developer infrastructure platforms, including CI, build systems, and deployment orchestration. Set technical direction for complex cross-team initiatives, improve build and deployment performance, manage reliability and observability, and drive platform migrations and adoption. Partner with engineering leaders, operate production systems, mentor engineers, and deliver scalable tools used across the organization.

Define the technical vision and multi-quarter strategy for Coinbase’s FinHub financial infrastructure. Architect scalable ledger and money-movement primitives across fiat and crypto, ensuring double-entry accounting, idempotency, reconciliation, auditability, reliability, and safe failure recovery. Lead complex cross-team architectural initiatives, collaborate with finance, risk, compliance, and operations stakeholders, and mentor senior engineers while improving system design and operational excellence.

Technical leader responsible for architecting and evolving Drata's billing and monetization platform: usage ingestion, billable metrics, pricing, entitlements, invoicing, and integrations with Finance/CRM/ERP. Design event-driven, auditable, and scalable systems, ensure operational correctness and reconciliation, lead cross-team initiatives, review architecture, troubleshoot discrepancies, and mentor engineers on financial correctness and distributed systems.

Define architecture and metrics for autonomous driving evaluation, lead cross-functional integration across autonomy and simulation teams, develop statistical and machine learning methods, analyze large-scale time-series data, manage evaluation KPIs and release gates, and communicate safety and readiness insights through dashboards and stakeholder presentations.

Lead technical direction for billing workflows across frontend and backend systems. Define shared architecture, APIs, components, and observability; oversee large-scale tables, bulk operations, claims workflows, and platform rebuilds. Apply AI to claim comparison and error analysis, while owning performance, reliability, architecture reviews, code quality, and mentoring across teams.

Lead development of AI-powered healthcare products from product definition through release. Build production LLM capabilities and agent workflows, architect full-stack systems, mentor engineers, improve code quality and delivery practices, and collaborate with product and customer teams on new ideas. The role requires hands-on frontend and backend engineering, technical leadership, and experience with production AI features.

Own and build AI systems supporting complex document and case workflows, including agentic workflows, human review, task orchestration, evaluations, backend services, event pipelines, scheduled jobs, observability, and integrations with internal tools and customer-facing interfaces. The role requires strong Python and TypeScript skills, production software engineering experience, hands-on LLM development, and ownership of ambiguous projects from deployment through operation.

Build and scale Petra’s AI-powered cybersecurity detection platform, including real-time signal ingestion, behavioral analysis, and AI-driven decisioning. Architect distributed systems for rapid growth, improve production reliability and correctness, and serve as a senior technical voice on a small, autonomous engineering team. The role requires experience with scalable data-intensive systems and deploying machine-learning models in production.

Drive end-to-end product design, implementation, testing, monitoring, and maintenance. Write elegant, reliable, maintainable code; collaborate with product, design, sales, and engineering; influence platform direction; improve business processes; mentor engineers; and help shape systems and engineering culture at an early-stage fintech and real estate startup.

Design, build, test, and operate Gusto core customer-facing products across frontend and backend. Own multi-quarter projects, scale Ruby/Rails and JavaScript/React systems, mentor engineers, collaborate with product, data, design, and platform teams, and iterate on features that deliver measurable customer impact.

Lead architecture and delivery of Gusto's Commerce Platform (product catalog, promotion engine, subscription, entitlements). Partner with product, data science, and cross-functional teams to drive large, multi-quarter platform projects, ensure reliability and SLOs, mentor engineers, and promote AI-augmented development and platform adoption.

Architect and deliver distributed backend systems and infrastructure supporting customer service and KYC compliance workflows. Set technical direction, define roadmaps, lead end-to-end project delivery, mentor engineers, and build reliable high-scale services using Go, gRPC, TypeScript, React, cloud infrastructure, and DevOps tooling. Partner across teams and time zones to improve platform capabilities, workflow efficiency, cost, quality, customer satisfaction, and compliance outcomes.

Design and develop machine-learning approaches for vehicle control, including learned vehicle dynamics models, adaptive controllers, data pipelines, evaluation metrics, and simulation tooling. Integrate learned models into safety-critical closed-loop systems and validate algorithms through offline experimentation, simulation, and on-vehicle testing. Collaborate with engineers and research scientists to combine classical control with AI for scalable self-driving technologies.

Design, build, and maintain Stellar Core, the distributed system powering the Stellar blockchain ledger and consensus. Develop scalable, resilient components; improve peer-to-peer networking and processing performance; investigate bottlenecks; and contribute to architecture, code reviews, RFCs, formal verification, simulations, and open-source collaboration. The role requires production C++ or Rust expertise, strong software design skills, and ownership of core subsystems.

Staff Software Engineers design, develop, test, and improve high-scale programmatic advertising systems handling hundreds of billions of daily transactions. The role may focus on backend, frontend, or full-stack product engineering across application platform, channels, and exchange products. Responsibilities include leading cross-team technical projects, collaborating with product and engineering teams, solving complex low-latency systems problems, estimating work in agile environments, and improving coding standards and practices.

Build and maintain full-stack Identity Governance software for federal customers. Architect scalable backend services, frontend interfaces, cloud and on-premises infrastructure, CI/CD, observability, and secure deployments across classified and air-gapped environments. Ensure audit readiness, security compliance, reliability, and least-privilege access. Partner with Product and Design, address technical debt, make organization-wide architectural decisions, and mentor engineers while applying AI throughout the software development lifecycle.