Top Software Engineer Jobs in San Francisco Bay Area, CA

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.

Build a high-performance frontend data platform for exploring and analyzing hardware telemetry. Develop React and TypeScript applications, interactive time-series visualizations, data visualization plugins, complex application state management, and LLM-assisted analysis workflows. Collaborate directly with hardware engineers and customers to define interfaces, prototype workflows, demonstrate features, and incorporate feedback into product development.

Build Earthscale’s geospatial intelligence platform, solving large-scale data-processing challenges and creating polished React components. The role involves feature design and implementation using Python and TypeScript, collaborating closely with a small technical team and geospatial scientists. Candidates should bring startup experience, strong front-end skills, Python proficiency, design and UX awareness, curiosity about computer systems, and the ability to learn quickly in a fast-paced, feedback-driven environment.

As a Backend Engineer, you'll build backend services for candidate-job matching and marketplace workflows, focusing on APIs, data models, and operational systems.

Develop and operate scalable commerce and payments services supporting millions of Twitch creators. Responsibilities include designing and developing platform services, delivering customer-focused projects, clarifying requirements, improving engineering processes, and participating in design and code reviews. The role partners with engineers, product managers, designers, and data specialists, with ownership spanning architecture, implementation, and service operations.

Build and maintain backend services throughout the full software development lifecycle. Responsibilities include developing foundational code, scalable data models, reusable abstractions, real-time decisioning services, and production support. The role requires Python and PostgreSQL proficiency, backend framework experience, event streaming, in-memory data stores, cloud platforms, observability tooling, and familiarity with React and TypeScript.

Build and launch AI-powered, full-stack software features that improve business metrics. Partner with sales, service, and underwriting teams to solve operational problems, develop agent systems across interfaces, services, data, and AI components, and support production systems through an on-call rotation. Work rapidly with LLM-based capabilities, cloud platforms, retrieval, and orchestration while explaining technical decisions to nontechnical stakeholders.

Build production software foundations for autonomous excavator state estimation, including geometry and kinematics libraries, pose and trajectory APIs, calibration monitoring, map storage and versioning, replay and evaluation infrastructure, and regression testing. Diagnose live machine issues and optimize performance using recorded data, simulation, and physical-machine testing. The role partners with estimation specialists and supports autonomy across multiple vehicle platforms.

Build and scale ChatGPT Finances features across frontend, backend, APIs, data models, integrations, and AI experiences. Develop accessible financial dashboards and conversational workflows, ensure reliable data synchronization and secure data handling, and establish testing, observability, performance, and operational practices. Collaborate with product, design, research, infrastructure, security, and data integration teams to deliver trustworthy consumer financial products.

Develops software and operational tooling for Box’s cloud platform. Responsibilities include incident command, production troubleshooting, monitoring and alerting improvements, observability, automation, resiliency, technical debt reduction, and collaboration across operations, security, cloud, and engineering teams. The role participates in on-call rotations and applies software engineering practices to improve incident response and service reliability.

Design, develop, and operate scalable Kubernetes platform infrastructure and services across hybrid cloud environments. Build platform tools and APIs, automate provisioning with Infrastructure as Code, and improve reliability, security, observability, cost efficiency, and developer experience. Troubleshoot complex Kubernetes, networking, storage, and distributed-systems issues; collaborate with application and security teams; contribute to architecture and roadmaps; mentor engineers; and participate in on-call support.

Develop and operate Box’s high-scale caching platform, including migrating Memcached and Redis fleets, improving performance, resilience, scalability, and reliability, and supporting services processing tens of millions of requests per second. Partner with engineering teams on caching strategies and architecture, contribute to technical design decisions, and participate in production on-call support.

Build and own backend services, APIs, and event-driven systems; scale production infrastructure; and deliver end-to-end product features. Improve performance, reliability, observability, testing, security, CI/CD, and incident response. Collaborate with product, design, and engineering leadership, make architectural decisions, use AI coding tools responsibly, and contribute to code reviews and operational excellence.

Founding engineer responsible for creating and launching zero-to-one consumer AI products. The role owns product bets end to end, from identifying opportunities and defining lean initial versions to setting technical direction, shipping, and iterating based on user feedback. Responsibilities include optimizing quality, latency, responsiveness, and reliability while collaborating with privacy, security, legal, design, platform teams, and external partners.

Own the end-to-end architecture and implementation of a web platform using React, TypeScript, Go, and Rust. Build scalable APIs, services, data models, and multi-tenant SaaS capabilities while improving performance, reliability, observability, and release safety. Lead technical strategy, design reviews, code reviews, mentoring, and cross-team delivery. Translate complex security data into usable dashboards and workflows, and help advance AI-native development practices.

Develops secure, scalable web applications and services for financial institutions and consumers. Translates business requirements into technical solutions, implements configurable client customizations, integrates open-source technologies, develops product features, documents solutions, participates in design and code reviews, and collaborates with QA to meet implementation timelines.

Build and maintain reliable, scalable backend services, APIs, and data models for user-facing product features. Own projects from technical design through launch and monitoring, collaborate with product and frontend teams, improve system reliability and performance, debug production issues, and contribute to code reviews and technical design discussions.

Build and maintain full stack web applications using SvelteKit, Node.js, PostgreSQL, Redis, and AWS. Collaborate with the CTO and founding team to design, develop, test, deploy, and scale product features. Help establish infrastructure, CI/CD pipelines, engineering best practices, technical culture, and product roadmaps as the company’s first software engineer.

Build and own high-performance Python backend services and data pipelines that ingest, process, store, replay, and distribute real-time radar sensor data. Develop streaming systems, decision layers, and scalable platform architecture supporting live and playback 3D geospatial views. Ensure low latency, reliability, security, and maintainability across production systems.

Staff Software Engineer responsible for building and operating Block’s card issuing platform at the network boundary. The role requires deep expertise in card networks, ISO 8583, authorization and clearing flows, certifications, mandates, and direct network connectivity. Responsibilities include writing production code, developing conformance tooling, debugging protocols, leading cross-team technical initiatives, influencing network requirements, mentoring engineers, supporting AI-assisted development, and participating in on-call operations for critical financial systems.

As a Senior Software Engineer on the Cash App Banking team, you will lead the design, execution, and delivery of banking features, collaborating across teams to enhance the user experience.

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.

Lead the technical design and delivery of banking features at Cash App, collaborating across teams, driving architecture improvements, and mentoring engineers.

Build and operate highly reliable card-issuing software and tooling across authorization, clearing, settlement, certification, and network integrations. Serve as a technical expert on card-network specifications, protocols, mandates, and production behavior. Lead complex cross-team engineering work, debug protocol-level issues, influence network requirements, mentor engineers, improve platform reliability, and participate in on-call support for critical financial systems.

Develop and operate scalable commerce experiences for Twitch subscriptions, gifting, and Turbo. Collaborate with product managers, designers, technical leads, and engineers to build interactive products serving millions of concurrent users. Design robust applications, solve customer problems, deliver business impact, and support live services through operational excellence. Requires professional software development experience, consumer product experience at scale, strong coding skills, and a computer science degree or equivalent.