Top Full-Stack Engineer Jobs in San Francisco, CA

Lead the technical direction and implementation of large-scale SaaS product features. Build secure, reliable, maintainable, well-tested software; evaluate architectural trade-offs; debug team inefficiencies; and contribute to code reviews, documentation, and complex bug fixes. Collaborate across product, design, and engineering, influence strategy, identify organizational blockers, mentor engineers, and improve engineering practices around testing, performance, security, privacy, and reliability.

Leads large-scale full-stack engineering initiatives, technical architecture, and developer teams building distributed, cloud-native systems. Designs reliable microservices and platform solutions using modern programming languages, databases, containers, and cloud services. Partners with product leaders and architects on technology roadmaps, mentors engineers, establishes engineering standards, drives observability and performance improvements, and leads cross-functional technical initiatives.

Develop and maintain large-scale full-stack product features, guiding technical direction and balancing correctness, performance, reliability, security, and customer impact. Collaborate with product, design, and engineering teams to build dynamic user experiences, write tested and maintainable code, conduct code reviews, document systems, debug complex issues, and resolve production problems.

Staff Software Engineer responsible for technical strategy, scalable full-stack systems, team operations, reliability, monitoring, code quality, and talent development. The role involves building customer-facing card experiences and backend services using Python or Kotlin, AWS, MySQL, Spark, Kubernetes, and React-based frameworks. The engineer will own features end to end, collaborate cross-functionally, manage technical risks and trade-offs, support on-call health, and apply AI safely to improve development and customer experiences.

Develop and scale full-stack web applications for Toast’s digital storefront, including online ordering and website products. Design solutions, improve performance and usability, collaborate with Product and Design, run experiments, resolve critical issues, and contribute to API design, testing, and cross-team product integration.

Build and lead full-stack software engineering initiatives using distributed microservices, cloud platforms, APIs, databases, and modern front-end technologies. Provide technical leadership across Agile teams, establish engineering standards, mentor developers, partner with architects and product managers, reduce technical debt, improve system performance, and influence long-term technology strategy. The role emphasizes AWS and other cloud technologies, open-source frameworks, CI/CD, automated testing, observability, and AI-assisted development tools.

Build end-to-end product features from design through delivery, lead projects and product areas, shape technical systems and engineering practices, make pragmatic scalability decisions, and mentor teammates. The role requires strong frontend or backend expertise with the ability to work across the stack, product intuition, cross-functional communication, and ownership in a growing, mission-driven team.

Build and maintain scalable full-stack web applications for Snap’s user-facing products. Develop interfaces and services, optimize performance, contribute to shared libraries, analyze operational and engagement metrics, and use AI-assisted workflows while maintaining code quality, security, scalability, and production readiness.

Leads technical vision and architecture for customer resiliency systems. Designs scalable, operable solutions; modernizes monoliths into microservices and event-driven platforms; establishes API and engineering standards; and contributes hands-on across the software lifecycle. Collaborates with senior leaders, mentors engineers, drives cross-divisional initiatives, promotes engineering excellence, and advises on enterprise architecture, cloud computing, data architecture, performance, and scalability.

Lead technical vision and architecture across engineering domains, decompose complex problems, and ensure scalable, operable implementations. Modernize monolithic systems into microservices and event-driven platforms, define API and platform standards, and guide cross-divisional initiatives. Provide hands-on technical contributions while mentoring engineers, promoting engineering excellence, recruiting talent, and communicating technical knowledge across the organization.

Build and ship custom full-stack programs for AI labs and product teams, including capture flows, task logic, data pipelines, validation, redaction, provenance, and delivery across web, mobile, and backend systems. Partner directly with technical customers to scope ambiguous requirements, determine what to reuse or build, ship production code, establish data quality processes, and turn repeatable custom solutions into core platform capabilities.

Senior full-stack engineer who builds backend-heavy features and customer-facing React UIs. Own end-to-end delivery: design, implement, test, monitor, and iterate on scalable RESTful microservices using raw SQL and cloud patterns. Collaborate with product and design, review code, ensure reliability, security, and data correctness.

Provides technical leadership on complex, high-impact engineering projects from design through launch. The role involves architecture, company-wide initiatives, engineering excellence, mentoring technical leaders, and establishing standards for scalable, reliable, secure, observable systems. The engineer will collaborate across teams, communicate complex technical topics, and apply customer-focused decision-making and A/B testing techniques.

Build REST APIs, customer-facing React components, backend monitoring, CI/CD pipelines, content management system integrations, and reliable features and services. The role requires JavaScript or TypeScript experience with React and Node.js, REST platform integrations, Git collaboration, HTML and Sass/CSS, server technologies, and cross-functional work with UX and visual designers. Experience with enterprise content management systems, AWS, Java, Freemarker, or Rust is advantageous.

Lead technical direction and implementation of large-scale product features, delivering secure, reliable, maintainable full-stack software. Collaborate with product, design, and engineering teams, address production issues, conduct code reviews, document solutions, and mentor teammates. Build and test front-end and server-side systems using modern frameworks, APIs, databases, and data-driven development practices.

Develop responsive, scalable full-stack software for Redfin’s high-traffic rental search experiences using ReactJS, Java, AWS, and AI. Build user interfaces, data pipelines, and backend services; optimize performance and reliability; balance infrastructure investments with business needs; and collaborate with engineering and product stakeholders while owning features from design through delivery. The role may include an on-call rotation.

Develop and operate CrowdStrike’s internal cloud management platform and mission-critical CI/CD pipelines. Build APIs and UIs using Go and TypeScript, improve developer productivity, integrate tooling, maintain cloud-native infrastructure, and support secure, highly available software delivery systems. Collaborate with development, infrastructure, security, and SRE teams, ensure SOC2-aware processes, and participate in on-call operations.

Build and support full-stack applications for developing, training, simulating, and evaluating autonomous systems. Develop React and TypeScript interfaces, backend services, APIs, data models, and Python workflows. Deploy and troubleshoot containerized services across local, cloud, on-premises, and air-gapped Kubernetes environments. Collaborate with users, product, design, and engineering teams to translate complex workflows into reliable, extensible applications and reusable platform capabilities.

Build and support full-stack Forge platform features across React and TypeScript interfaces, backend services, APIs, databases, and Python workflows. Design reusable APIs and data models, deploy services across local and Kubernetes environments, and improve reliability through testing, observability, and troubleshooting. Partner with users, product, design, and engineering teams to translate complex autonomy development, simulation, training, and evaluation workflows into dependable applications.

Build and support production full-stack applications with a frontend focus using TypeScript and React. Design intuitive interfaces for simulation, synthetic data, testing, evaluation, and autonomy workflows. Integrate APIs and backend services, improve performance and accessibility, test complete user workflows, and create reusable components and extension points. Collaborate closely with developers, product, design, and domain experts to deliver reliable applications across local, cluster, edge, and air-gapped environments.

Senior Full Stack Engineer responsible for architecting and delivering AI-driven backend and frontend systems. The role leads complex technical initiatives, defines roadmaps, designs scalable APIs and data models, and champions JavaScript, Node.js, testing, observability, and Spec-Driven Development. It requires building and scaling distributed, event-driven microservices; working with financial infrastructure; mentoring engineers; and translating ambiguous business objectives into reliable technical solutions.

Build and improve full-stack software for engineers operating mission-critical hardware. Responsibilities include developing React and TypeScript/JavaScript interfaces, contributing to backend services and APIs, creating reliable data flows, debugging across systems, writing tested code, and collaborating on greenfield products. The intern will work closely with software engineers and operators while gaining experience across frontend, backend, databases, and hardware-connected systems.

Build full-stack AI governance and observability features for Hex’s data platform. Responsibilities include developing React and TypeScript interfaces, backend language parsers, SQL generation, AI context systems, semantic models, agent audit tools, and workflows for governing and debugging AI-generated answers. The role requires solving front-end UX and backend scalability challenges while working with data teams and modern data warehouse technologies.

Develop and ship phased software projects for Affirm’s mobile card acquisition team. Collaborate with product, design, and analytics stakeholders; build web and mobile applications and scalable APIs; monitor operational metrics; support availability and on-call efforts; participate in code reviews, interviews, and team development.

Develop and launch scalable full-stack search systems using JavaScript, TypeScript, Python, or Kotlin. Collaborate with engineers and stakeholders, balance delivery speed with system reliability, debug code, participate in code reviews, write tested and extensible software, and contribute to team growth and communication.