> Markdown version of [/jobs/ext/4254585-software-development-engineer-ii-routing-platform-last-mile-planning](https://www.wearedevelopers.com/jobs/ext/4254585-software-development-engineer-ii-routing-platform-last-mile-planning). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Development Engineer - II, Routing Platform, Last Mile Planning - **Company:** Amazon.com, Inc. - **Location:** Bellevue, WA, United States - **Salary:** $143,700.0 - $194,400.0 - **Contract:** Internship / Graduate position - **Skills:** Java (Programming Language), Amazon Web Services, Amazon S3, Software Applications, C Sharp (Programming Language), C++ (Programming Language), Software Quality, Code Review, Computer Programming, Software Design Patterns, Amazon DynamoDB, Perl (Programming Language), Fault Tolerance, Routing, Object-Oriented Software Development, Amazon Simple Notification Service (SNS), Software Engineering, Multithreading, State Machines, AWS Lambda, Information Technology, Optimization Algorithms, AWS Fargate, Build Process, Cloudwatch, Software Coding, Amazon Simple Queue Service (SQS), Software Version Control - **Published:** October 4, 2026 - **Apply:** https://dejobs.org/x/x/CC8979E99D1348C1A4381F3A7D1D6244/job/ ## About the Role * 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 Amazon's global fulfillment network enables any merchant to ship items to almost any place on earth. Items move between vendor locations, Amazon warehouses, and customers through a complex transportation network. Amazon warehouses, and customer locations before reaching the customer. At a scale of millions of packages, each with different attributes and delivery requirements, this results in a complex transportation optimization problem. Our organization supports planning for a broad range of Amazon businesses including Amazon Logistics, Amazon XL, Ship With Amazon, and more. As a Software Development Engineer on the Routing Platform team you will take ownership of the technical design, implementation, production delivery and support of scalable software services built natively in AWS responsible for generating the route that a transporter takes on the Last Mile of the packages journey - from the Amazon Delivery Station to the customer's address. If you aren't already, you will become an expert in multiple AWS offerings, including Step Functions, Lambdas, Fargate, DynamoDB, S3, Cloudwatch, SNS/SQS, and others. Your work will directly impact Amazon's bottom line, with projects the team drives responsible for hundreds of millions of dollars in yearly entitlements. Key job responsibilities * Design and implement scalable software systems that generate the most optimized route * Participate actively in code reviews, providing meaningful feedback to team members and ensuring high-quality software delivery throughout the full development lifecycle * Collaborate with cross-functional teams including operations, science, product, and technology to translate business requirements into technical solutions * Take operational excellence ownership by identifying root causes of issues, implementing permanent fixes, and continuously improving team processes and software quality * Develop and maintain fault-tolerant systems that handle the complexity and scale of Amazon's delivery optimization challenges while balancing customer requirements with technical constraints About the team The Routing Platform team has three pillars: 1) building reusable components and maintaining workflows responsible for input collection for different businesses as well as the external APIs for Route Planning, 2) hosting the optimization algorithms to solve the Vehicle Routing Problem, 3) managing route lifecycle inclusive of providing a source of truth for route status and tracking route state changes.