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# Software Dev Engineer II, AWS End User Messaging

- **Company:** Amazon.com, Inc.
- **Location:** Seattle, WA, United States
- **Salary:** $143,700.0 - $194,400.0
- **Contract:** Internship / Graduate position
- **Skills:** Java (Programming Language), Adobe InDesign, Application Programming Interfaces (APIs), Amazon Web Services, Software Applications, C Sharp (Programming Language), C++ (Programming Language), Code Review, Computer Programming, Data Structures, Software Design Patterns, Distributed Systems, Perl (Programming Language), Fault Tolerance, Fraud Prevention and Detection, Routing, Object-Oriented Software Development, Cloud Services, Software Engineering, Systems Integration, Multithreading, Test-Driven Development (TDD), Information Technology, Build Process, Software Coding, Software Version Control, Microservices
- **Published:** July 23, 2026
- **Apply:** https://dejobs.org/x/x/28EBF660750D48B5A8BF21C2EB8FA5A6/job/

## About the Role

* Bachelor's degree in Computer Science, Engineering, or related field (or equivalent practical experience)
 * Strong foundation in object-oriented programming, data structures, and algorithms
 * Experience with or eagerness to learn distributed systems and cloud services
 * Passion for building customer-facing features and solving complex technical challenges
 * Strong communication skills and ability to collaborate effectively with cross-functional teams
 * Ownership mindset and willingness to learn from experienced engineers, * 3+ years of non-internship professional software development experience
 * 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
 * 1+ years of software development engineer or related occupational experience
 * 1+ years of designing and developing large-scale, multi-tiered, multi-threaded, embedded or distributed software applications, tools, systems, and services using: C#, C++, Java, or Perl experience
 * 1+ years of Object Oriented Design experience
 * Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field
 * Experience programming with at least one software programming language, * 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
 * Bachelor's degree in computer science or equivalent

## Description

As a Software Development Engineer II on the SMS Routes team, you will:

 * Design and Implement Scalable Services: Build new microservices and APIs for templated messaging, routing logic, and fraud protection using modern development practices and AWS services
 * Own End-to-End Features: Take ownership of features from design through deployment, including writing comprehensive tests, creating operational dashboards, and participating in on-call rotations
 * Collaborate on Technical Design: Participate in design reviews, contribute to architecture decisions, and learn best practices for building fault-tolerant, highly available messaging systems
 * Optimize Message Delivery: Work on intelligent routing algorithms that select optimal origination identities based on destination country, carrier relationships, and delivery performance metrics
 * Build Fraud Protection Systems: Develop and enhance capabilities that analyze traffic patterns, detect suspicious activity, and automatically block fraudulent messages while minimizing false positives
 * Ensure Quality and Reliability: Write comprehensive tests, participate in code reviews, and contribute to the team's commitment to quality and operational excellence
 * Learn and Grow: Develop expertise in telephony ecosystems, carrier integrations, compliance requirements, fraud detection systems, and AWS service development practices
 * Mentor and grow junior engineers on the team

A day in the life

Why Join AWS End User Messaging?

 * Immediate Customer Impact: Your work will power critical customer communications daily
 * Modern Development Practices: Work with AI-assisted development tools, comprehensive testing infrastructure, and rapid deployment cycles
 * Learning Opportunities: Gain expertise in distributed systems, telephony infrastructure, carrier relationships, fraud detection, and AWS service development
 * Innovative Projects: Contribute to state of the art features like cross-channel messaging, intelligent routing, fraud protection systems, and automated failover mechanisms
 * Strong Team Culture: Join a team that values test-driven development, operational excellence, and continuous learning


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