Amazon
Software Development Engineer, Leo Security
$144K–$194K
Arlington, VA +1 · Full-time · Posted Aug 13, 2026
- Location
- Arlington, VA
Herndon, VA - Experience
- 3+ years professional software development; 2+ years design or architecture; 1+ years large-scale application development.
- Education
- Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field.
- Visa sponsorship
- Candidates must be a U.S. citizen due to applicable export control laws and regulations.
About the job
Build and operate security software platforms for Amazon Leo, including threat detection, incident triage, automated response, and auditable AI-assisted security workflows.
What you'll do
- Deliver software features end to end, from requirements and design through production operation.
- Build systems for asset-state tracking, consolidated detection, event triage, containment, and security workflow automation.
- Improve platform reliability and performance through instrumentation, debugging, profiling, and operational automation.
What they ask for
- 3+ years of non-internship professional software development experience.
- 2+ years of non-internship design or architecture experience for new and existing systems.
- 1+ years designing and developing large-scale software applications using C#, C++, Java, or Perl.
- Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field; experience programming with at least one software programming language.
Nice to have
- 3+ years of full software development life cycle experience.
- Experience in security, performance optimization, distributed systems, stream processing, LLM integrations, or graph databases/knowledge graphs.
Pay
USD 143,700.00 - 194,400.00 annually (base salary)
Tools
C#, C++, Java, Perl, LLM APIs, Neptune, Neo4j
AI focus
Build a neurosymbolic reasoning platform combining LLM agents, a knowledge graph, and real-time asset state to support auditable automated security analysis and response.
Model-written summary · the original posting is authoritative