Top Software Engineer Jobs in San Francisco Bay Area, CA

Join Notion as an early-career software engineer to plan, build, and ship product features, improve performance and reliability, run experiments to drive engagement, and contribute to internal tools and platform improvements while collaborating with design, product, and data teams.

Build and run growth-focused product experiments to increase patient bookings. Implement and iterate multi-channel engagement, define funnel metrics, analyze drop-offs, and collaborate cross-functionally to ship high-impact growth features.

Lead design and delivery of scalable customer-facing features, services, and APIs that process real-time data and AI-powered insights. Build web experiences, contribute to LLM/AI workflows, ensure reliability through observability and rollout practices, and collaborate cross-functionally with Product, Design, ML, and platform teams.

As a Software Engineer focused on Solutions, you'll collaborate with strategic customers to design scalable blockchain systems, optimize performance, and address technical challenges across product and engineering.

Lead technical vision and reusable solutions across cloud-native banking systems. Drive architecture, performance, scalability, mentoring, cross-team influence, and deliver high-quality implementations and thought leadership.

Design and re-architect the Identity systems at Dropbox to support multi-product capabilities, mentor junior engineers, and ensure software excellence.

Lead architecture, modernization, and development of Group Insurance applications. Modernize mainframe monoliths into Java microservices and micro-frontends on cloud, mentor distributed Agile teams, collaborate with enterprise architecture, product owners and infrastructure, and enable test automation and integrations. Approximately 10% domestic travel.

Build and optimize backend data pipelines and calculations for 7M+ securities using Python/Django. Implement Airflow pipelines, pandas/Celery-based async calculations, database query tuning, caching, scalable data models, incident investigation, code reviews, and cross-team collaboration to ensure timely, accurate financial data.

The Software Engineer will design, develop, and deliver systems for regulatory compliance, collaborating with cross-functional teams and improving workflows using AI. Responsibilities include project ownership from planning to deployment, coding best practices, and onboarding junior engineers.

Lead design and implementation of the payment and clearinghouse platforms powering Headway's revenue flows. Build fault-tolerant, observable integrations (Stripe, Plaid, payers), create abstractions for adjacent teams, mentor engineers, and write high-impact code to ensure reliability, throughput, and correct reconciliation of transactions at scale.

Design and build reliable backend services powering clinical data, insurance billing, patient-facing infrastructure, and financial ledger systems. Scale high-integrity systems requiring idempotency, strong consistency, and pragmatic AI integration to automate provider workflows and enable personalized patient experiences.

Headway seeks a Staff Fullstack Engineer to own end-to-end product work across frontend and backend. You’ll build practice management, patient/provider engagement, AI-enabled clinical systems, onboarding, growth tools, and platform foundations. The role requires technical leadership, cross-functional strategy, mentoring, and shipping scalable, reliable systems in a complex healthcare domain.

The role involves designing and shipping new database features, collaborating on technical solutions, and improving code quality in a team environment.

The Software Engineer will enhance trust and security in Notion's features, build AI-powered systems for risk detection, and collaborate across departments to ensure data privacy.

Build, operate, and scale backend systems for card issuing and transaction processing. Break down projects, collaborate with product and cross-functional teams, write tested extensible code, support monitoring and on-call operations, and participate in team growth activities including interviews.

Build and own end-to-end patient onboarding features that improve acquisition, registration, eligibility verification, and conversion. Partner with Product, Design, Analytics, and engineers to run experiments, ship scalable frontend/backend systems, optimize performance and resilience, and iterate based on data to improve patient outcomes.

Lead frontend-leaning full-stack implementation work for carrier and enterprise integrations: architect reusable UI and API layers, author RFCs, guide technical delivery, enforce testing and security best practices, and partner with cross-functional teams to scope and ship production integrations.

As a Software Engineer at Rundoo, you'll ship features end-to-end across the stack, manage projects, debug, and collaborate closely with clients and teammates.

Build and own Eve's marketing site and GTM engineering stack: integrate and optimize external tools, design AI agents for sales and marketing, implement webhooks and middleware to sync product/CRM data, and create programmatic campaigns and internal tools in partnership with Marketing, Sales, RevOps, and Product to drive growth and automation.

Design and implement secure, scalable backend services for voice agents, integrate AI models and telephony, improve inference, debug concurrent systems, and collaborate with Product to deliver features end-to-end.

As a Senior Software Engineer in Trust & Safety, you'll analyze threats, design systems for abuse detection, and collaborate with teams to implement scalable defenses.

Design, maintain, and evolve core backend systems and APIs. Collaborate with product teams to create durable and reusable systems while enhancing performance and security.

As a Software Engineer Intern, you will write clean code, enhance Notion's product with AI capabilities, and debug software across the full stack.

The Software Engineer in Product Infrastructure will shape core frameworks, design new systems, solve complex technical challenges, and improve developer productivity by integrating various technologies like AWS and TypeScript.

Build and enhance AI Meeting Notes to optimize data capture, improve summaries, ensure reliability, and deliver enterprise-ready workflows. Own end-to-end product development.