Microsoft

Senior Software Engineer - MDASH

Microsoft
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1 day ago
Redmond, WA, USASenior
H1B sponsor

Base Salary

$120k - $261k/yr

Responsibilities

  • Design, build, and evolve the MDASH scanning engine for agent orchestration, multi-model routing, code understanding, vulnerability detection, reachability validation, and fix generation and verification.
  • Extend scanning coverage across vulnerability classes, programming languages, frameworks, build systems, and codebase sizes.
  • Integrate static and dynamic analysis, taint tracking, call-graph and data-flow analysis, fuzzing, and sandboxed execution into agent workflows.
  • Improve detection precision, recall, consistency, and fix quality using evaluation results, research findings, and production feedback.
  • Optimize scan performance, scalability, cost, and latency for enterprise codebases and CI/CD workflows.
  • Build a secure, reliable, observable engine with strong isolation for untrusted code and telemetry for diagnosing agent behavior.
  • Collaborate with security research, applied science, model, and product teams to ship new techniques and models.
  • Write tested code, lead design reviews, participate in code reviews and on-call rotations, mentor engineers, and contribute to an inclusive engineering culture.

Requirements

  • Bachelor’s degree in Computer Science or a related technical field and 4+ years of technical engineering experience coding in languages including C, C++, C#, Java, JavaScript, TypeScript, or Python, or equivalent experience.
  • Ability to meet Microsoft, customer, and/or government security screening requirements, including the Microsoft Cloud Background Check.
  • Preferred: master’s degree and 6+ years of technical engineering experience, or bachelor’s degree and 8+ years of experience, or equivalent experience.
  • Preferred experience building production systems with large language models, AI agents, multi-agent orchestration, tool calling, planning, context management, or code-understanding systems.
  • Preferred experience with security scanners, SAST, DAST, software composition analysis, compilers, or other program analysis tools.
  • Working knowledge of vulnerability classes including memory safety, injection, authentication and authorization, deserialization, path traversal, SSRF, and business-logic flaws.
  • Preferred experience with taint analysis, data-flow and control-flow analysis, code property graphs, fuzzing, or symbolic execution.
  • Preferred experience building distributed, high-scale cloud services on Azure, including containerized or sandboxed execution.
  • Familiarity with multiple software ecosystems and build systems across C/C++, C#, Java, JavaScript/TypeScript, Python, and cloud-native applications.
Microsoft

About Microsoft

10,000+ employees

Microsoft develops operating systems, productivity software, cloud services, developer tools, and consumer devices for individuals, enterprises, and governments. Its main products include Windows, Microsoft 365, Azure, Visual Studio/GitHub, Xbox, and LinkedIn; revenue comes from software subscriptions and licenses, cloud consumption, hardware sales, and advertising. Founded in 1975 and headquartered in Redmond, Washington, Microsoft is a public company traded on Nasdaq.

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