Top Senior Software Engineer Jobs in San Francisco Bay Area, CA

As a Software Engineer, you will design and build critical systems for enterprise customers, ensuring regulatory compliance and enhancing product capabilities. Your role involves technical leadership, architectural work, and mentoring team members, with a focus on scalable and reliable software solutions.

As a Software Engineer, you will design, develop, and deploy a reliable financial platform, focusing on performance and security while collaborating with teams to ensure high-quality code and infrastructure.

As a Billing & Analytics Software Engineer, you'll design and maintain the billing pipeline, integrate billing systems, and develop customer-facing analytics dashboards to support revenue recognition and operational observability.

Build end-to-end fullstack features for a mental healthcare platform: design APIs and UIs, manage clinical and practice-management systems, integrate AI capabilities, and own product outcomes from schema to frontend.

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.

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.

As a Software Engineer at Vercel, you will enhance and improve the CDN's performance, analyze web latency, and support a team of developers working primarily in Lua.

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

The Software Engineer will enhance developer experience at Benchling by building production release tooling, improve workflows, and collaborate with teams to scale processes. Responsibilities include developing efficient development tools and championing engineering patterns.

The Software Engineer II will design, implement, and maintain web applications for marketplace middleware, ensuring high code quality and collaborating with stakeholders.

The role involves leading application performance improvements across multiple platforms, focusing on measurable metrics and driving engineering standards and workflow optimization, using both hands-on coding and strategic influence.

As a Senior Full-Stack and Platform Software Engineer at mabl, you will develop features for an AI-powered test automation platform, enhancing user experiences, designing APIs, and optimizing data pipelines while collaborating with cross-functional teams.

The Senior Software Engineer will lead complex technical projects, mentor engineers, and enhance software practices while collaborating across teams to improve integration insights.

The role involves building systems for route planning, optimization, and real-time tracking for fleets, emphasizing scalable backend services and integration with dispatch tools.

The Senior Software Engineer will develop a financial ecosystem, managing complex projects and building APIs for high-scale systems while collaborating across teams.

Senior Software Engineers at January design scalable systems, contribute to architecture, mentor junior engineers, and collaborate with cross-functional teams to improve financial solutions.

Design and build scalable backend services and APIs, own infrastructure and observability, make architectural decisions, collaborate with product/design/data, and shape engineering practices and culture.

Lead full‑stack engineering for Growth orchestration: design and build backend services, APIs, and frontend components; ingest and route signals for engagement; improve performance, reliability, and experimentation; mentor engineers and collaborate with product, data, and GTM partners to deliver measurable impact.

Develop seamless login and authentication experiences for mobile applications, ensuring security while mentoring junior engineers and collaborating with cross-functional teams.

As a Senior Software Engineer, you'll scale the Scale Generative AI Platform, owning product areas, working across multiple tech stacks, and solving engineering challenges.

The Senior Data Engineer will develop and maintain a data platform, collaborating with teams to implement features, conduct code reviews, and improve data interactions, using Agile methods.

Lead design, build, and operation of AI-powered Growth experiences (conversational onboarding and AI-driven email). Own technical strategy for an AI Voice Agent and ACE-powered email systems, design APIs and frontend/backends, partner cross-functionally, establish applied-AI engineering patterns, measure impact, and mentor engineers to improve product quality and responsible AI use.

Lead and mentor a team of software engineers to enhance development speed and quality, focusing on AI-native workflows and technical solutions. Conduct collaborative design and code reviews while driving high-leverage outputs with minimal technical debt.

The role involves leading a team of engineers in software development, focusing on AI-driven processes, mentoring, and ensuring high-quality output.

Lead and mentor a team of software engineers, focusing on AI-native workflows and rapid execution. Collaborate on technical solutions and ensure high-quality, scalable code.