Top Platform Engineer Jobs in San Francisco, CA

Design, deploy, secure, automate, and operate enterprise MongoDB platforms across on-premises infrastructure and MongoDB Atlas. Responsibilities include replica sets, sharding, high availability, disaster recovery, backup and recovery, performance tuning, monitoring, security controls, migrations, incident response, and lifecycle management. The role partners with application, cloud, infrastructure, security, and SRE teams; develops operational standards and automation; supports mission-critical environments; and provides technical leadership and mentorship.

Supports cloud infrastructure design, maintenance, monitoring, and automation. Assists with infrastructure as code, CI/CD pipelines, observability, patching, incident response, disaster recovery, security controls, cost optimization, and platform support. Contributes to runbooks, root-cause analysis, documentation, Agile delivery, code reviews, and Tier 2 on-call support while collaborating with development, operations, and security teams.

Owns deployment, lifecycle management, and evolution of a multi-prem platform across cloud, bare-metal, air-gapped, and regulated environments. Builds infrastructure-as-code and secure CI/CD pipelines, maintains Kubernetes clusters and observability systems, aligns SaaS and customer-hosted releases, and supports incident response and upgrades. The role also contributes to platform architecture, deployment documentation, compliance workflows, and secure operations across classified and government environments.

Build and own backend services and APIs supporting money movement, payments, settlements, reconciliation, payroll integrations, retirement workflows, and financial compliance. Ship reliable production code, debug incidents, improve observability and operational tooling, and collaborate with product, compliance, operations, and engineering teams. Mentor engineers and ensure systems handling customer funds are correct, scalable, and well tested.

Owns an Agentic AI platform across CI/CD, AWS infrastructure, Kubernetes operations, observability, security, and runtime reliability. Builds delivery pipelines, automated testing and quality gates, EKS environments, infrastructure-as-code, monitoring and alerting, synthetic health checks, and runtime security testing. The role requires strong operational ownership, troubleshooting, secure supply-chain practices, audit readiness, and platform resilience in regulated or mission-focused environments.

Own the architecture and reliability of a mobile-first crypto trading and social platform. Build the data layer, rewards and accounting systems, notifications, APIs, trading integrations, cross-chain balance abstraction, resilient caching, and high-performance data delivery. Ensure idempotency, replay safety, PostgreSQL optimization, graceful degradation, and continuous uptime during extreme market volatility. Work independently in a remote, asynchronous environment while scaling infrastructure from zero to massive trading volumes.

Build and evolve Notion’s iOS platform, including shared frameworks, architecture, testing, build systems, observability, CI/CD, and release-quality tooling. Partner with mobile AI and core product engineers to improve developer workflows, evaluate iOS capabilities, and drive adoption of platform standards. Use AI tools and agents to enhance engineering productivity while supporting a reliable mobile application used by millions.

Architects, operates, and improves cloud data and analytics platforms and BI infrastructure. Owns platform standards, CI/CD, reliability, monitoring, incident response, security, governance, performance, and technical documentation. Leads onboarding and enables engineering and client teams through reusable patterns and guardrails. Requires production platform ownership, cloud data and BI expertise, accounting experience, scripting, SQL, troubleshooting, and cloud fundamentals.

Build and operate database and storage platform software, including services, APIs, developer tools, migrations, and lifecycle automation. Solve database scaling, performance, reliability, and availability problems across distributed systems, cloud infrastructure, and backend services. Partner with engineering teams on schemas and queries, lead technical projects, modernize platforms, participate in incident response, and use AI-assisted tools in development.

Lead developer platform engineering across GitLab, CI/CD, progressive delivery, cloud infrastructure, and release safety. Design and operate pipeline orchestration using Argo Rollouts and Kargo, support connector deployments, improve FinOps and developer insights, and establish safe rollback, recovery, and database change practices. Build self-service tooling, drive adoption, mentor engineers, and collaborate with Staff Engineers and architects across distributed teams.

Build and operate database and storage platform software, including services, APIs, and developer tools for provisioning, migrations, upgrades, and lifecycle management. Solve scaling, performance, reliability, and data correctness challenges across databases, distributed systems, cloud infrastructure, and networking. Partner with engineering teams on schemas and platform adoption, lead technical projects through rollout, participate in on-call response, and use AI-assisted tools in development.

Build and launch scalable fullstack web applications and APIs for Affirm’s Ads Platform. Collaborate with product, design, analytics, and engineering partners to break projects into deliverable phases, make technical trade-offs, write tested and extensible code, monitor service metrics, support on-call operations, review code, and participate in team development and interviews.

Build and extend SAP Commerce Cloud backend extensions, integrations, APIs, and platform capabilities for multiple brands and storefronts. Diagnose production issues independently using logs, traces, and Dynatrace, tracing problems across storefront, service, persistence, and integration layers. Contribute to architecture, code reviews, documentation, estimation, Agile delivery, testing, feature flagging, and resilient error handling.

Designs and manages cloud infrastructure platforms using infrastructure as code, Kubernetes, CI/CD, and multi-cloud technologies. Responsibilities include improving developer experience and DevSecOps maturity, troubleshooting and optimizing platform reliability, implementing zero-downtime maintenance, automating processes, integrating security controls, documenting technical systems, and mentoring engineers. The role also drives scalability, cost optimization, availability, and continuous delivery across Reltio’s cloud services.

Build and own Arcadia’s internal developer platform across a large-scale data lakehouse and Kubernetes applications. Develop self-service APIs, templates, golden paths, CI/CD capabilities, observability, security controls, and reliability practices. Lead platform migrations, improve developer experience, manage stakeholder needs and costs, set technical direction, and coach senior engineers. The role requires hands-on software development alongside expertise in cloud infrastructure, Kubernetes, networking, infrastructure as code, SLOs, incident response, and platform product management.

Principal UI Engineer responsible for architecting real-time collaboration infrastructure, scalable web platforms, and AI-augmented developer tools. The role spans React and TypeScript UI engineering, CRDT-based synchronization, PostgreSQL persistence, performance optimization, CI/CD, observability, security, and platform resilience. The engineer will lead architecture, reliability, incident management, engineering standards, AI-assisted development quality, and mentorship across engineering, design systems, and product teams.

Design, build, and operate Supabase’s multi-region compute platform, including provisioning, orchestration, autoscaling, warm pools, resource optimization, observability, and reliability improvements. The role involves operating large Kubernetes clusters, improving infrastructure automation and architecture, responding to incidents, participating in on-call rotations, and resolving systemic platform issues. Strong Go and TypeScript skills, AWS experience, distributed systems knowledge, and cloud infrastructure expertise are required.

Build, monitor, and scale resilient cloud infrastructure across multi-region and multi-cloud environments. Develop Kubernetes controllers and infrastructure tools using Go, Python, Ruby, and Terraform; maintain Datadog observability; diagnose complex production performance and reliability issues; automate failover and capacity management; and collaborate with engineering teams on architecture and infrastructure improvements.

Lead full-stack development for Huntress’s SOC platform, building analyst-facing investigation, triage, remediation, queueing, and customer reporting experiences. Shape architecture, data models, interfaces, security practices, reliability, observability, and testing while mentoring engineers and partnering with Product, UX, and SOC stakeholders. The role emphasizes Ruby on Rails, modern frontend development, cloud infrastructure, relational databases, and technical leadership across complex cybersecurity software products.

Build and operate Forge, a full-stack engineering platform for developing, testing, deploying, and diagnosing AI autonomy capabilities. Design composable user interfaces, typed versioned APIs, backend services, application lifecycle workflows, and AI-agent tool integrations. Ensure consistent behavior across local and remote environments while partnering with simulation, autonomy, ML, infrastructure, security, product, and design teams.

Lead development productivity initiatives by building secure, scalable CI/CD infrastructure, automated delivery pipelines, self-service developer tooling, reproducible builds, and self-healing test environments. Improve local development, release processes, system reliability, and engineering standards across SaaS, mobile, and embedded products. Mentor engineers, guide platform direction, and collaborate with stakeholders across the organization.

Lead the direction and development of developer productivity platforms, automated CI/CD and release pipelines, self-service engineering tools, local development environments, reproducible builds, and self-healing infrastructure. Improve system performance, reliability, testing, and software delivery across SaaS, mobile, and embedded products. Mentor engineers, facilitate collaboration, and promote engineering best practices across the organization.

Design and build DOSS’s core platform, including flexible data models, schema-as-code, versioned migrations, AI-assisted tooling, declarative APIs, data warehousing, observability, search, and enterprise guardrails. Scale graph-based and ETL architectures, deploy reliable cloud applications, mentor engineers, and collaborate with product and design to deliver resilient operational systems.

Lead the architecture, development, scaling, security, and reliability of a core data platform. Build backend services and data pipelines in Go and Python, operate graph database and search systems, manage cloud infrastructure and CI/CD, establish monitoring and reliability targets, and mentor engineers. The role also contributes to hiring and engineering standards while working on-site in San Francisco.

Build and operate Resend’s scalable AWS platform, infrastructure, tooling, and self-service workflows. Responsibilities include infrastructure as code, platform standards, observability, reliability improvements, incident response, automation, and collaboration with engineers across the company. The role requires expertise in distributed systems, cloud infrastructure, networking, delivery pipelines, and production operations, with opportunities to work on high-throughput systems and developer tooling.