Top Engineering Jobs in San Francisco Bay Area, CA

Lead design, build, and operation of Snap's scalable, distributed multi-cloud infrastructure including service mesh, compute, network, and deployment systems. Provide technical direction, cross-team collaboration, and advocate best practices for availability, scalability, operational excellence, and cost management while mentoring engineering teams.

Lead technical direction of Airwallex's mobile platform across iOS and Android. Design and evolve core architecture, own shared libraries and CI/CD pipelines, improve security, reliability, performance and observability, manage mobile releases and on-call, drive cross-team initiatives, and mentor engineers while defining mobile best practices and developer experience.

Build and operate ingestion, reconciliation, and reporting systems that reconcile card-network and partner settlement files against internal transactions. Deliver end-to-end features for traceability, accounting journals, tax and regulatory reporting, and compliance tooling while ensuring reliability, scalability, and data privacy.

The Principal Software Engineer will design automated ad serving systems, lead technical direction, collaborate with teams, and mentor engineers.

Lead the development of intelligent, conversational financial interfaces by coordinating AI initiatives, ensuring security, and mentoring engineers.

Lead backend architecture and deliver reusable solutions, unblock engineering teams across the development lifecycle, drive complex design and bug fixes, set code review standards, mentor engineers, collaborate on company-wide projects, and make technical decisions balancing correctness, performance, and customer impact.

Lead diverse technology projects in distributed microservices and full stack systems, mentoring team members and collaborating with product managers on cloud-based solutions.

Lead technical due diligence and product/architecture evaluations for M&A in AI, cloud, and security. Scope and run POCs and sandbox tests, assess risks and integration paths, advise C-level leadership, and partner with Product, Engineering, and Security to drive transactions to close.

Organize and execute flight testing of a high-performance fixed-wing UAV: plan and run safe Part 107-compliant test events, manually pilot FPV and line-of-sight flights, perform pre-flight checks and go/no-go decisions, secure test sites, design takeoff/landing methods, and provide engineering feedback on airframe and controller performance.

Own and architect Headway's cloud platform: deployments, autoscaling, capacity, container footprint (ECS/EKS), networking, Terraform self-serve, cost attribution, and Python monolith runtime health to make infrastructure safe, scalable, and self-serve for engineers.

Lead technical vision and architecture for cloud platforms and LLM systems. Decompose complex problems into practical solutions, ensure design quality, optimize non-functional characteristics (performance, scalability, operability), mentor engineers, produce technical guidance and reusable artifacts, and drive cross-organizational engineering excellence.

Work directly with startups and strategic partners to build and deliver integrations, polished demos, and reference implementations. Lead technical partner engagements, identify reusable integration patterns, create playbooks and templates, capture partner feedback, and collaborate with product and engineering to influence platform improvements and priorities.

Lead design, build, and delivery of a next-generation SD‑WAN ecosystem. Produce HLD/LLD artifacts, define requirements, lead testing and automation, apply security and resiliency controls, maintain audit-ready documentation, and coordinate stakeholders to mitigate operational and technology risks while leveraging enterprise AI-assisted practices.

Design and implement complex Android platform projects, enable app developers with frameworks and tooling, drive Android best practices, collaborate with product and design, review code and write documentation, and use AI code-generation tools to architect and produce maintainable mobile code.

Build and maintain native iOS features and infrastructure using Swift and SwiftUI. Collaborate with product and design, review code, write documentation, ensure testability and stability, use approved AI code-generation tools, and participate in on-call rotation to support production systems.

Lead technical strategy and implementation for Redfin's production database and storage systems. Architect, scale, and operate cloud database and storage services (self-managed and AWS managed), drive reliability, observability, security, backups, upgrades, migrations, HA and disaster recovery, lead incidents and root cause analysis, mentor engineers, evangelize AI code generation tools, and participate in on-call rotation.

Contribute to Android app development using Kotlin and Jetpack Compose, collaborate with product and design, write maintainable/testable code, review peers' code, use AI code-generation tools, and support app stability and experimentation. Participate in on-call rotation as needed.

Design, build, and operate services powering card issuance, transaction authorization, wallet provisioning, 3-D Secure, and disputes. Own features end-to-end within a microservice, event-driven architecture, write well-tested code, participate in reviews, and perform operational ownership including on-call and incident response. Leverage AI developer tools to improve velocity and quality.

Design, build, and maintain PeopleOS and integrations across HR systems. Implement AI/LLM-powered tooling, integrate SaaS platforms, document specs, collaborate with People Ops, run UAT, and troubleshoot production issues.

The Solution Engineer will engage with customers, develop proposals, optimize projects, and support early-stage project engineering in solar power applications.

Design and operate scalable, event-driven backend systems in Python to power agentic AI workflows and real-time financial infrastructure. Own APIs, data architecture, reliability primitives, and platform foundations while partnering with ML and product teams to productionize AI-native financial systems.

Lead architecture, development, and operation of the company data and AI platform. Define technical strategy, build and mentor a high-performing data platform team, drive company-wide initiatives, deliver scalable multi-region data pipelines, oversee ETL frameworks, metrics stores, infrastructure and data security, and advocate best practices for lakehouse-style data processing and model governance.

Build and maintain user-friendly web interfaces for expense and procurement products using React and TypeScript. Implement micro frontend patterns, integrate with backend services via Apollo/GraphQL, collaborate with designers and PMs on shared UI components and design systems, participate in code reviews, triage bugs, and improve frontend engineering standards and observability.

Design and operate scalable, event-driven backend systems in Python for AI-native financial products. Build typed APIs (FastAPI + Pydantic), own data and ledger architectures, develop reliability primitives, partner with ML teams to productionize models, and ship platform foundations for audited, high-throughput financial workflows.

Build and maintain native iOS and Android apps, own design and delivery of features, influence mobile architecture, collaborate with product and design, ensure high code quality and test coverage, maintain CI/CD pipelines, and act as a hands-on technical leader for mobile platform evolution.