Software Development Engineer (AWS Fraud Prevention)

Quick Facts

• Role: Software Development Engineer (AWS Fraud Prevention)

• Focus: Real-time fraud prevention systems at AWS scale using scalable distributed backend services, ML detection pipelines, and automation

Description

Design and build highly scalable distributed systems and serverless workflows that process millions of events and power real-time fraud detection.

Own features end to end—from design documentation and implementation in Java/TypeScript on AWS services to deployment and operational monitoring—delivering measurable protection for AWS customers and revenue.

Collaborate with applied scientists to integrate machine learning into real-time decisioning systems and build agentic/LLM-based automation to triage fraud signals.

Responsibilities

• Design, build, and operate backend services and serverless workflows where correctness directly protects customers and revenue

• Deliver features end to end: write design docs, implement in Java/TypeScript on Lambda, DynamoDB, and EventBridge, and ship via CDK-managed pipelines to 38+ commercial regions plus GovCloud and sovereign clouds

• Write high-quality, production-ready code for services available 24/7 with zero tolerance for downtime

• Own the full lifecycle: design, implementation, deployment, monitoring, and operational excellence

• Build agentic and LLM-based automation that triages fraud signals using AI developer tools daily

• Mentor teammates and contribute to engineering excellence and continuous improvement

• Collaborate with applied scientists to integrate machine learning models into real-time decisioning systems

• Work in a fast-paced, agile environment solving complex problems with measurable impact

Requirements

• 3+ years of non-internship professional software development experience

• 2+ years of non-internship experience designing or architecting systems (design patterns, reliability, scaling)

• Experience programming with at least one software programming language

Preferred Qualifications

• 3+ years of full software development lifecycle experience (coding standards, code reviews, source control management, build processes, testing, operations)

• Bachelor’s degree in computer science or equivalent

Benefits

• Sign-on payments and restricted stock units (RSUs)

• Comprehensive health insurance (medical, dental, vision, prescription) and Basic Life & AD&D; options for Supplemental life

• EAP, Mental Health Support, Medical Advice Line

• Flexible Spending Accounts

• 401(k) matching

• Paid time off

• Parental leave

• Adoption and Surrogacy Reimbursement