Top Backend Engineer Jobs in San Francisco, CA

As a Backend Engineer, you'll develop growth infrastructure, enhance backend systems, build experiments for marketing efficiency, and collaborate cross-functionally to improve product experience.

Lead architecture and implementation of high-throughput, distributed backend systems for agentic AI and MCP servers. Drive cross-team platform strategy, mentor engineers, own complex multi-quarter projects, and ensure reliability, performance, and operational excellence across microservices and event-driven systems.

As a Staff Backend Engineer, you'll design and scale backend systems for financial products, implement APIs, and maintain high code quality in a collaborative environment.

Design and scale backend services for Klover's payment systems. Build microservices, implement APIs, and ensure data integrity while collaborating with cross-functional teams.

The Backend Engineer will design and develop APIs, maintain code health, and collaborate with teams to improve platform features. Requires 2+ years in software development and knowledge of Ruby on Rails.

Build scalable backend systems, maintain public APIs, develop internal tools, and communicate with engineering teams for product development.

As the Lead Backend Engineer, you will design and build backend services for the Frisbee application, overseeing systems and collaborating with mobile engineers.

The Backend Engineer will develop cloud-managed access control systems, contributing to design and problem-solving in a dynamic startup environment.

The Backend Engineer will build efficient software solutions, own critical system components, drive performance optimization, and mentor junior engineers.

The Backend Engineer will design and implement backend systems and APIs, optimize performance, and mentor junior engineers to enhance user engagement and drive growth for Hebbia's AI platform.

As a backend engineer, you'll develop scalable software solutions, optimize performance across systems, and mentor junior engineers while focusing on efficient data communication and integration.

Design and deploy backend services for video and audio creation tools, focusing on scalable Python code, REST APIs, and cloud infrastructure.

Develop and support web services for digital life insurance enrollment, collaborating closely across teams to enhance platform capabilities. Responsible for the quality and maintainability of services, utilizing Python and Java, among other technologies.

The Staff Backend Engineer will develop and deliver backend features for creators on Patreon, focusing on scalability and performance while mentoring other engineers.

You will tackle AI challenges, develop scalable software and collaborate with teams to enhance healthcare navigation using AI solutions.

As a Backend Engineer, you will design and implement core infrastructure for Vannevar's platform, ensuring standards for data processing, security compliance, and performance. You will collaborate with various teams to enhance shared infrastructure and lead technical initiatives.

As a Back-End Engineer, you will design, implement, and maintain core infrastructure while ensuring performance, scalability, and reliability in a fintech environment.

As a Staff Backend Engineer, you'll design and scale AI-driven security detection workflows, build backend services, and collaborate with cross-functional teams to enhance user experiences in alarm systems.

Design and operate high-throughput usage metering and billing systems, ensuring data quality and financial accuracy, while collaborating across teams.

Seeking a software engineer to build scalable systems, work with databases, and design APIs, primarily using Python and Go.

The Senior Backend Engineer will design and develop backend systems for a patient platform, ensuring efficient medication management and workflow integrations while leveraging AI for improved healthcare delivery.

We seek experienced back-end engineers for the Core Platform team to build scalable distributed systems, lead teams, and drive project execution.

The Senior Backend Engineer will design scalable systems, develop microservices, and enhance security products for large organizations. Requires strong programming skills and industry experience.

Design, build, and operate backend systems that serve millions globally, improve cloud infrastructure, and collaborate on new products while ensuring reliability and performance. Also involved in customer interactions to enhance service quality.

Design and build scalable distributed systems, lead projects, and mentor junior engineers while managing high traffic from numerous IoT devices.