> Markdown version of [/jobs/ext/3736659-senior-software-development-engineer](https://www.wearedevelopers.com/jobs/ext/3736659-senior-software-development-engineer). 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). --- # Senior Software Development Engineer - **Company:** Expedia Inc. - **Location:** Austin, TX, United States - **Experience:** Expert - **Salary:** $184,500.0 - $295,000.0 - **Contract:** Permanent contract - **Skills:** A/B Testing, Application Programming Interfaces (APIs), Artificial Intelligence, Data Analysis, Automation of Tests, Data Structures, Machine Learning, Performance Tuning, Reliability Engineering, Service-Oriented Architecture, Software Engineering, Data Logging, Backend, Information Technology, Production Code, Front End Software Development, Api Design - **Published:** October 14, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=9cf2d029550befe5 ## About the Role * Bachelor's degree in Computer Science or a related technical field; or Equivalent related professional experience. * 8+ years of relevant professional experience. * Demonstrated ownership of services, components, or features across design, implementation, quality, deployment, and operational support within a product or domain area. * Strong proficiency in software engineering fundamentals, including data structures, algorithms, system design (LLD), API design, and data modeling, with hands-on experience applying them in production systems. Hands-on experience with modern backend and frontend technologies, service architectures, and AI-driven tools or workflows that enhance developer productivity or product capabilities. *, * Experience designing and evolving multi-service or full-stack architectures, including well-structured APIs, data models, frontend integrations, and service-to-service integration patterns. * Demonstrated success improving high-traffic or customer-facing systems through performance tuning, resilience hardening, reliability engineering, and optimization across backend and frontend layers. * Strong operational excellence practices, including instrumentation, logging, metrics, observability, alerting, on-call participation, and incident response. * Experience using experimentation, feature flags, A/B testing, analytics, and service metrics to guide technical and product decisions and measure delivered impact. * Experience integrating or extending AI/ML-enabled capabilities across backend services and frontend experiences, including responsible adoption of AI-driven components and guiding teams in the effective, safe use of AI tooling for development, testing, and operations. ## Description * Design, build, and evolve backend services and supporting frontend experiences, including system design (LLD), API design, and data modeling for scalable, secure, and reliable solutions. * Implement high-quality production code across backend and frontend components, emphasizing maintainability, automated testing, observability, and operational excellence. * Collaborate with product, design, and partner engineering teams to translate customer and business requirements into robust technical solutions, reusable service integrations, and intuitive user experiences. * Own and improve the end-to-end lifecycle of services and features, including development, testing, deployment, monitoring, troubleshooting, and incident resolution. * Apply data, metrics, experimentation, and analytics to prioritize work, validate hypotheses, and continuously improve system performance, reliability, and user experience. Safely integrate and operate AI/ML-enabled solutions that improve outcomes, including familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real-world products. *