Software Platform Engineer United States Jobs (Hybrid work)

Join Microsoft’s Azure AI Search team as a **Software Engineer** on the AI Platform. You’ll build secure, scalable APIs and SDKs powering global AI experiences, using .NET and AI-assisted tools. Located in **Redmond, WA**, this role requires expertise in C#, Python, or Java, plus cloud security a...

Seeking an experienced Software Engineer III for a long-term contract in Alpharetta, GA. You will develop and support a scalable Databricks data platform, leveraging PySpark, Delta Lake, and Apache Spark. Requires 3+ years of hands-on experience with Spark fundamentals and clean Python code. Enjo...

Lead a high-impact team at Microsoft as a Principal Software Engineering Manager for the CoreAI Simulation Platform. Drive the design and development of AI chip simulators, leveraging deep expertise in C++, Python, and computer architecture. Manage cross-disciplinary engineers in multiple US loca...

Join GoodLeap as a Senior Software Engineer on our AI Platform team. Build scalable, agentic AI systems using Python/TypeScript for sustainable tech. Design tools to empower teams and homeowners, tackling unique technical challenges. This role offers a collaborative environment in Austin, San Fra...

Join Quizlet's Partner Platform team as a Senior Software Engineer in San Francisco. Design and build scalable APIs, SDKs, and plugin frameworks to power external integrations. Leverage your 5+ years of platform engineering experience to ensure security and reliability. Enjoy competitive benefits...

Lead the development of a cutting-edge AI chip simulation platform at Microsoft in Redmond. This principal role requires deep expertise in C++/Python systems programming and collaboration across hardware and AI research teams. You will design and deliver critical simulator tools for next-generati...

Join Microsoft's AI Frameworks team to develop simulation platforms for next-generation AI hardware. Design and implement C++/Python simulators in collaboration with hardware and research teams. This role in Redmond requires a CS degree and 2+ years of coding experience. Contribute to cutting-edg...

Lead a critical initiative to stabilize and modernize our Offline Testing Infrastructure (OTI) in Pittsburgh. This high-impact Staff Engineer role requires senior-level expertise in infrastructure, cloud services, and leading technical projects. You will build and guide a team to enhance platform...

Lead a critical initiative to stabilize and modernize our Offline Testing Infrastructure (OTI) in Mountain View. This high-impact Staff Engineer role requires senior infrastructure expertise to build a team, drive technical strategy, and enhance release reliability. Ideal candidates have proven l...

Lead the architecture of Microsoft's high-scale Experimentation Platform (ExP) in CoreAI, enabling trustworthy A/B testing for AI-driven applications. This senior role in Redmond requires 6+ years of coding experience (C++, Python, etc.) and expertise in building scalable, resilient systems. You ...

Join the M365 Copilot App Platform team in Redmond. As a Senior Software Engineer, you will design and build the critical middle-tier services, APIs, and infrastructure powering AI experiences across web, Windows, and Mac. This role requires 4+ years of web services experience and offers impactfu...

Join Microsoft's CoreAI team in Redmond to build the high-scale Experimentation Platform (ExP) that powers AI-driven innovation. You'll design reliable services using languages like C# or Python, applying responsible AI-assisted development. This role involves collaborating across teams to enable...

Join Notion as a Forward Deployed Software Engineer in San Francisco. Shape the future of AI-native productivity by building custom AI solutions for top enterprise clients. We seek a software engineer with 4-8 years' experience, strong customer-facing skills, and a passion for LLM-based tools. En...

Join our team in San Francisco or New York as a Senior/Staff Fullstack Engineer. You will build scalable AI agent infrastructure and cutting-edge features using React and TypeScript. Lead major initiatives to reinvent data analytics and empower thousands of users. We offer competitive salary, equ...