Top Senior Backend Engineer Jobs in San Francisco, CA

Design, build, and deploy backend services for creative tools. Integrate with AWS, ensuring scalable and secure Python code for event processing and APIs.

Design, build, and operate core backend systems powering subscription billing, medication ordering and fulfillment, and partner integrations. Own schema design, business logic, AWS/Kubernetes infrastructure, CI/CD, and production observability. Collaborate with clinical, product, and operations teams to deliver compliant, reliable clinical state machines and AI-assisted workflows that automate operations and improve patient outcomes.

Build reliable AI-powered, agentic backend systems to remove friction across the software development lifecycle. Design multi-step orchestration, safety checks, and evaluation tooling; apply distributed-systems judgment; work across GitLab codebases and with a distributed team to productionize solutions that may become customer-facing.

Design and build tooling, workflows, and guidance to make GitLab easier to deploy, validate, and operate across cloud-native, self-managed, and ephemeral environments. Shape deployment architecture, topology, scaling principles, and platform contracts while collaborating with application, infrastructure, and delivery teams.

Design, build, test, and maintain backend services and APIs powering the insurance platform. Integrate payments, documents, and data providers, improve system stability, performance, and scalability, mentor team members, and participate in architectural decisions and agile ceremonies.

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.

As a Senior Backend Engineer at DuckDuckGo, you'll lead backend projects, mentor engineers, and develop AI-enhanced features for the company's privacy-centric product line.

Design and implement secure, scalable backend services for speech inference and audio processing. Optimize networking, transcoding, latency, memory, and distributed compute orchestration. Measure and improve system performance, debug complex networking/scheduling/HPC issues, customize services for customers, and partner with Product to deliver features end-to-end.

Build and optimize high-performance backend systems for an xOT security platform using Rust. Participate across development lifecycle, design scalable microservices, integrate third-party devices and data providers, incorporate AI tools, and improve observability and reliability through testing, debugging, and peer review.

Build and own scalable backend systems and moderate-to-complex components. Lead small teams or projects, provide technical guidance and code reviews, and deliver end-to-end features. Work on AI-powered customer workflows, onboarding, messaging and calling features, data management, and system observability.

Design, build, and own scalable backend components in an event-driven microservices architecture. Lead small teams or projects, provide technical guidance and code reviews, and improve core calling/messaging, data management, onboarding, and AI-driven insights to support a growing user base.

Build and operate scalable, highly observable backend services and stream-processing pipelines (Kafka, Flink) to process telemetry from hundreds of thousands of IoT devices, powering geofencing, alerts, trip construction, and APIs. Collaborate with Embedded/IoT teams, own infrastructure on cloud (AWS/GCP/Azure), reduce technical debt, and mentor teammates.

The Senior Backend Engineer will develop, scale, and maintain payment infrastructure, distributed systems, and backend services while collaborating with product and data science teams.

Design and build high-throughput backend services and APIs to ingest, evaluate, and serve agent telemetry at scale. Own API contracts and versioning, optimize ClickHouse OLAP schemas and queries for petabyte-scale reads, collaborate with platform/infra on reliability and scalability, and uphold high engineering quality.

Design and develop robust, scalable backend systems for an AI-powered platform, focusing on performance, security, and optimization of data pipelines.

Build and scale backend infrastructure for Ambient AI in healthcare. Work across real-time clinical documentation, AI-driven billing automation, and clinical intelligence. Ship production systems, collaborate with clinicians and customers, maintain reliability, monitoring, and metrics, and operate across the full software stack.

Design and build production-grade serverless backend services and APIs for contact center systems. Implement observability, integrations, migration tooling, and AI-enabled workflows to improve routing, agent support, and operational visibility.

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.

As a Senior Backend Engineer, you will design and maintain scalable backend services, optimize system performance, and collaborate with frontend engineers on API integrations.

The Backend Software Engineer will develop data ingestion pipelines, implement observability tools, and provide technical support while improving team collaboration.

Lead backend development for Dragos' OT security platform: design and implement high-performance systems in Rust, optimize architectures, participate across the development lifecycle, integrate databases and third-party data providers, incorporate AI tools, mentor senior engineers, and drive cross-team architectural decisions.

The role involves designing and developing high-performance web apps, improving user interfaces, maintaining component libraries, and ensuring code quality through comprehensive testing and collaboration with other teams.

The Senior Backend Engineer will develop high-quality backend products using Rust and other systems languages, focusing on scalable solutions for data management and security.

Design and develop scalable Java applications using various frameworks, ensuring long-term maintainability and performance while collaborating with the front-end team.

Design, implement, and operate activation backend workflows for large-scale data pipelines. Optimize matching, digest generation, delivery workflows, and system stability. Drive architecture, collaborate across engineering/product/SRE teams, and provide production support while improving performance, cost, and compliance.