> Markdown version of [/jobs/ext/2540192-software-development-engineer-iii](https://www.wearedevelopers.com/jobs/ext/2540192-software-development-engineer-iii). 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 III - **Company:** Expedia Inc. - **Location:** Seattle, WA, United States - **Experience:** Experienced - **Salary:** $146,000.0 - $233,500.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Application Frameworks, Software Applications, Software Bug Management, Code Review, Databases, Data Structures, Database Design, Software Debugging, Software Design Patterns, Monitoring of Systems, Software Engineering, Software Project Management, Solid Principles - **Published:** August 12, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=2d392554ce1fd633 ## About the Role Role Summary A high performing individual contributor who acts as a mentor to more junior engineers, applies new engineering principles to improve existing systems, and is responsible for leading complex, well-defined projects. Experience 5+ years for Bachelor's 3+ years for Master's Education *Developed software in at least 3 different languages. * Maintained/ran at least 4 software project/product in production environments (bug fixing, troubleshooting, monitoring, etc.). Functional/ Technical Skills * Has strength in a couple languages and/or one language with multiple technology implementations. * Identifies strengths and weaknesses among languages for particular use cases. * Creates API's to be consumed across the business unit. * Selects among technology available to implement and solve for need. * Understands how projects/teams interact with other teams. * Understands and designs moderately complex systems. * Tests and monitors code at the project level. * Understands testing and monitoring tools. * Debugs applications. * Tests, debugs, and fixes issues within established SLAs. * Designs easily testable and observable software. * Understands how teams goals fit a business need. * Identifies business problems at the project level and provides solutions. Role Expectations * Proactively teams up with peers across the organization to build an understanding of cross dependencies and shared problem solving. * Participates in a community of practice to share and gain knowledge. * Continually seeks new technical skills in an engineering area. * Shares new skills and knowledge with team to increase effectiveness. * Demonstrates knowledge of advanced and relevant technology. * Is comfortable working with several forms of technology. * Understands the relationship between applications, databases and technology platforms. * Develops and tests complex or non-routine software applications and related programs and procedures to ensure they meet design requirements. * Effectively applies knowledge of software design principles, data structures and/or design patterns and computer science fundamentals to write code that is clean, maintainable, optimized, modular with good naming conventions. * Effectively applies knowledge of databases and database design principles to solve data requirements. * Effectively uses the understanding of software frameworks and how to leverage them to write simpler code. * Leads/clarifies code evolution in code reviews. * Brings together different stakeholders with varied perspectives to develop solutions to issues, and contributes own suggestions. * Thinks holistically to identify opportunities around policies/ processes to increase efficiency across organizational boundaries. * Assists with a whole systems approach to analyzing issues by ensuring all components (structure, people, process and technology) are identified and accounted for. * Identifies areas of inefficiency in code or systems operation and offer suggestions for improvements. * Compiles and reports on major operational or technical initiatives (like RCAs) to larger groups, whether via written or oral means. ## Related Videos - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Are Code Reviews Worth It? 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