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Senior Platform Engineer United States Jobs (On-site work)

53 Job Offers

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Senior Software Engineer, Platform Engineering
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Crusoe seeks a Senior Software Engineer in San Francisco to build and operate microservices automating fleet provisioning on GCP and Kubernetes. Requires 5+ years backend experience with Go, Python, Java, or C#, plus Postgres and Kafka.
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Crusoe
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Senior Software Engineer - Frontend Platform
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Applied Intuition seeks a Senior Frontend Platform Engineer in Sunnyvale to own and scale a design system and shared component libraries. Requires 6+ years with TypeScript and React, plus mentoring and cross-team collaboration skills.
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Applied Intuition
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Senior Staff Data Platform Software Engineer
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ServiceNow seeks a Senior Staff Data Platform Software Engineer in San Diego to build cloud-native platform services on Kubernetes. Requires 12+ years of software development experience and deep expertise with a major hyperscaler. Hybrid role.
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Armis
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Senior Identity Platform Engineer
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Lead Amway's customer identity platform as a Senior Identity Platform Engineer in Ada, MI. Hands-on role requiring 6+ years tech experience, AWS, Kubernetes, CI/CD and Gluu IdP expertise. Drive secure, scalable identity solutions.
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Amway Inc.
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Senior Frontend Engineer, AI Observabilty Platform
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Join LangChain as a Senior Frontend Engineer in Cambridge, US, building React and TypeScript features for an AI observability platform. Requires strong React, JS/TS skills and a passion for clean, intuitive UX in a fast-paced startup.
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LangChain
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Senior Software Engineer, Data Platform
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Handshake seeks a Senior Data Platform Engineer in San Francisco to own Airflow orchestration, streaming pipelines, and BigQuery infrastructure. Requires strong Python, deep Airflow expertise, and CDC/streaming experience. Equity, 401(k) match, and learning stipend offered.
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Handshake
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Senior / Staff Backend Engineer, Platform & Search
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Senior Backend Engineer role in NYC to own platform and search systems at an AI life-sciences startup. Requires production search, TypeScript/Node.js, Python, PostgreSQL, AWS and Kubernetes experience. Work in person with founders.
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Argon AI
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Senior Staff Software Engineer, Cloud Availability Platform
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Senior Staff Software Engineer to build Crusoe's Cloud Availability Platform in San Francisco. Requires 10+ years in distributed systems, Go/Python/Rust, and control plane expertise. Competitive pay, equity, and benefits.
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Crusoe
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Senior Software Engineer, Platform Engineering
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DS seeks a Senior Software Engineer in NYC to own cloud infrastructure, CI/CD, and DevSecOps for AI radio spectrum systems. Requires 4+ years platform/DevOps experience, AWS, Terraform, and Kubernetes expertise.
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Distributed Spectrum
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Senior Backend Software Engineer, AI Observability & Evals Platform (NYC)
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LangChain seeks a Senior Backend Engineer in NYC to build APIs and services powering LangSmith's AI observability platform. Requires 5+ years backend experience, Python or Go, and expertise in high-throughput systems.
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LangChain
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Senior / Staff AI Platform Engineer
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Suno seeks a Senior/Staff AI Platform Engineer in San Francisco to build platform APIs, SDKs, and eval infrastructure powering agent features. Requires 4-6 years of backend/platform experience and production LLM systems.
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Suno
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Senior Software Engineer, Frontend Platform (R5790)
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Shield AI seeks a Senior Software Engineer in San Diego to build a frontend platform for its AI Pilot. Requires TypeScript, React, and Go/Python/Rust backend skills. Shape human-and-agent workflows in defense tech.
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130000.00 - 240000.00 USD / Year
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Shield AI
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Senior Data Engineer (Data Platform)
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Senior Data Engineer role in El Segundo, CA building an open lakehouse platform with Apache Iceberg, Trino, and Kafka for US national security logistics.
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Gallatin
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Senior Platform DevOps Engineer
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Senior Platform DevOps Engineer role in Fort Meade, MD (onsite) requiring active TS/SCI w/ Polygraph. Design and manage CI/CD pipelines, Docker/Kubernetes, and AI infrastructure across cloud and classified environments.
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155000.00 - 175000.00 USD / Year
Agile Defense
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Senior Software Engineer, Agentic App Platform - Moveworks
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Join ServiceNow as a Senior Software Engineer on the Agentic App Platform in Mountain View. Build scalable GenAI infrastructure, design APIs, and optimize conversational systems for enterprise clients.
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Armis
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Senior Platform Engineer, Cloud Infrastructure & Live Services - Mattel Digital Studio
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Mattel Digital Studio seeks a Senior Platform Engineer in El Segundo to build and operate GCP cloud infrastructure for mobile games. Requires 8+ years in DevOps/SRE, strong Terraform, CI/CD, and GCP expertise.
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Mattel
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Senior Engineer, Full-Stack - Forge Platform, Tools (R5790)
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130000.00 - 240000.00 USD / Year
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Shield AI
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Senior Software Engineer, Agentic Platform - Moveworks
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Armis
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Senior Machine Learning Engineer, Agent Eval Platform
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Armis
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Senior Infrastructure & Platform Engineer
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Apex Clean Energy
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About the Senior Platform Engineer role

Discover the pivotal role of Senior Platform Engineer jobs, where seasoned professionals architect the foundational systems that power modern digital enterprises. A Senior Platform Engineer is a strategic technical expert responsible for designing, building, and maintaining the core platforms, infrastructure, and tooling that enable other engineering teams to develop, deploy, and scale applications efficiently and reliably. This role transcends traditional operations, focusing on creating self-service, automated, and resilient platforms that accelerate development and ensure high availability.

Professionals in these roles typically engage in a blend of high-level architecture and hands-on engineering. Common responsibilities include designing and implementing scalable cloud-native or hybrid infrastructure, often leveraging container orchestration platforms like Kubernetes. They develop and manage CI/CD pipelines to automate software delivery and establish robust monitoring, logging, and alerting systems for observability. A critical part of the job is ensuring platform security, compliance, and cost-optimization. Senior Platform Engineers also provide deep technical leadership, mentoring other engineers, establishing best practices, and driving strategic platform evolution in alignment with business objectives. They collaborate closely with development, security, and product teams to understand requirements and translate them into reliable platform capabilities.

The typical skill set for Senior Platform Engineer jobs is broad and deep. Expertise in cloud providers (AWS, GCP, Azure) and infrastructure-as-code tools like Terraform or Pulumi is fundamental. Strong programming or scripting proficiency in languages such as Python, Go, or Java is essential for creating automation and tooling. A deep understanding of networking, security principles, and distributed systems is crucial. Experience with containerization, orchestration, and managing data streaming platforms or large-scale data infrastructure is highly valued. Beyond technical acumen, successful candidates demonstrate exceptional problem-solving abilities, a proactive approach to system reliability and performance optimization, and strong communication skills to articulate complex technical concepts to diverse stakeholders.

For those seeking to lead in the backbone of technology infrastructure, Senior Platform Engineer jobs offer a challenging and rewarding career path at the intersection of software engineering and systems architecture. These positions are ideal for individuals passionate about building the engines of innovation, fostering developer productivity, and ensuring the seamless operation of critical business platforms. Explore opportunities to leverage your expertise in automation, cloud, and distributed systems in a senior capacity, where your work directly enables organizational agility and technological excellence.