Senior Software Dev Engineer, GuardDuty

Job summary

DESCRIPTION Amazon GuardDuty is a customer facing threat detection service that was built to protect applications and services running in AWS. The service processes trillions of events and applies advanced analytics and machine learning to detect threats. https://aws.amazon.

Benefits

Qualifications

• 5+ years of non-internship professional software development experience
• 5+ years of programming with at least one software programming language experience
• 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
• Experience as a mentor, tech lead or leading an engineering team
• Bachelor's degree in computer science or equivalent
• PREFERRED
• Master's degree or above in Math, Statistics, Computer Science, or related Science field, or experience implementing algorithms using both toolkits and self-developed code
• Knowledge of computer science fundamentals in data structures, algorithm design, and problem solving
• Experience with AWS, Azure, or Google Cloud technology
• Experience with large scale distributed systems such as Hadoop, Spark etc.
• Experience designing, building, operating, and managing large-scale distributed systems or web services
• Experience with security and systems that handle sensitive data

Responsibilities

• You will work closely with applied scientists with Math PhDs, and security researchers to build advanced analytics and machine learning systems at AWS scale.
• Design, build, and operate large-scale, distributed security detection systems.
• Collaborate with applied scientists and security researchers to transform research outcomes—such as anomaly detection methods and large language model (LLM)–based approaches—into scalable, production-ready systems.
• Drive the full software development lifecycle, including scoping, planning, design, implementation, testing, documentation, deployment, and operational support.
• Conduct design and code reviews, providing feedback on architecture, scalability, performance, and integration.
• Operate in a highly available, customer-facing environment with on-call
• typically one week every two months), and contribute to building resilient systems that minimize operational load.
• Participate in root cause analysis and long-term improvements to ensure operational excellence and reduce recurring issues.
• About the team
• Our team is dedicated to supporting new team members.
• Our team has a broad mix of experience levels and Amazon tenures, and we’re building an environment that celebrates knowledge sharing and mentorship.
• Our principal engineers truly enjoy mentoring more junior engineers and engineers from non-traditional backgrounds through one-on-one mentoring and thorough code reviews.

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