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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Engineer, IT Software - **Company:** American Airlines Inc - **Location:** Phoenix, AZ, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** ASP.NET, Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Application Lifecycle Management, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), C++ (Programming Language), Cloud Computing, Information Systems, Computer Engineering, Continuous Delivery, Continuous Integration, DevOps, Entity Framework, Github, Junit, Python (Programming Language), PostgreSQL, Enterprise Messaging Systems, MongoDB, Nunit, Object-Oriented Software Development, Scrum Methodology, Software Maintenance, Redis, Mockito, Selenium, Software Engineering, SonarQube, Testng, Toolchain, TypeScript, Azure Service Bus, .NET Core, Postman, ReactJS, Spring-boot, Cypress (Programming Language), Technical Debt, Fastapi, Moq, Pytest, AngularJS, Kubernetes, Information Technology, Playwright, Apache Kafka, Graphql, Data Management, Front End Software Development, Restful APIs, Cucumber (Software), Software Version Control, Docker - **Published:** August 2, 2026 - **Apply:** https://www.juju.com/job/00000000gkzuce ## About the Role + Bachelor's degree in Computer Science, Computer Engineering, Technology, Information Systems (CIS/MIS), Engineering or related technical discipline, or equivalent experience/training + 9+ years of experience designing, developing, and implementing large-scale solutions in production environments Preferred Qualifications - Education & Prior Job Experience + Master's degree in Computer Science, Computer Engineering, Technology, Information Systems (CIS/MIS), Engineering or related technical discipline, or equivalent experience/training + Airline Industry experience Skills, Licenses, and Certifications + Proficiency with the following technologies: + Programming Languages: Java, Python, C#, Javascript/Typescript, C++, CMD Scripts, KIX + Frameworks: Spring/SpringBoot, FastAPI, Entity Framework Core, ASP, .NET Core + Front End Technologies: Angular/React, Rest APIs + Experience with messaging systems: Azure Service Bus, Kafka + Deployment Technologies: Kubernetes, Docker + Source Control: GitHub, Azure DevOps + CICD: GitHub Actions, Azure DevOps + Data management: PostgreSQL, MongoDB, Redis + Integration/APIs Technologies: Kafka, REST, GraphQL + Cloud Providers: Azure and AWS + Test Automation: Selenium, TestNG, Postman, SonarQube, Cypress, JUnit/NUnit/PyTest, Cucumber, Playwright, Wiremock/Mockito/Moq + Ability to optimize solutions for performance, resiliency and reliability while maintaining an eye toward simplicity + Ability to concisely convey ideas verbally, in writing, in code, and in diagrams + Ability to optimize system designs spanning multiple teams to allow small, safe, incremental releases + Ability to work through others by cooperatively sharing responsibilities + Ability to combines deep knowledge of a product domain with awareness of advancing technology to introduce solutions that propel the technical capability of the organization forward. + Proficiency in object-oriented design techniques and principles + Proficiency in Agile methodologies, such as SCRUM + Proficiency in DevOps Toolchain methodologies, including Continuous Integration and Continuous Deployment ## Description + The Software domain refers to the area within Information Technology that focuses on the development, deployment, management, and maintenance of software applications that support business processes and user needs. This includes development, application lifecycle management, requirement analysis, QA, security & compliance, and maintaining the applications and infrastructure. What you'll do _As noted above, this list is intended to reflect the current job but there may be additional essential functions (and certainly non-essential job functions) that are not referenced. Management will modify the job or require other tasks be performed whenever it is deemed appropriate to do so, observing, of course, any legal obligations including any collective bargaining obligations._ + Writes, tests, and documents technical work products (e.g., code, scripts, processes) according to organizational standards and practices + Solves technical problems and builds components/libraries with far-ranging impact + Delivers high quality work and coaches more junior engineers on technical craftsmanship + Conducts root cause analysis to identify systemic problems and defines and leads execution of action items to address + Designs thoughtfully integrated systems that model organizational best practices, allowing disparate teams across product domains to deliver value with speed, scale, and reliability + Oversees the management of technical debt in existing systems and drives opportunities to eliminate within ongoing implementations + Consistently anticipates scaling, latency, and durability challenges and guides teams in implementation of mitigating strategies + Partners with the security organization to incorporate security conscious practices early in the lifecycle of new systems + Thoughtfully evaluates technical risks and guides toward practical prevention strategies + Consistently reflects on squad delivery practices throughout their span of of influence, recommends improvements to leadership and drives their implementation + Maintains a focus on removing the duplication of effort across teams and proactively identifies opportunities for reuse within their span of influence + Thoughtfully measures and assesses team and identifies areas of development for individuals + Explores emerging technologies, leads development of prototypes with little or no guidance and incorporates into architectural solutions where appropriate ## Related Videos - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) - [Accelerating Authentication Architecture: Taking Passwordless to the Next Level](https://www.wearedevelopers.com/videos/733-accelerating-authentication-architecture-taking-passwordless-to-the-next-level) - [The user in the eye of the Cargo1492 storm](https://www.wearedevelopers.com/videos/96-the-user-in-the-eye-of-the-cargo1492-storm) - [The Software Engineer 2030: From Coder To AI Orchestrator? - Patrick Schnell](https://www.wearedevelopers.com/videos/1825-the-software-engineer-2030-from-coder-to-ai-orchestrator-patrick-schnell) - [Event based cache invalidation in GraphQL](https://www.wearedevelopers.com/videos/433-event-based-cache-invalidation-in-graphql) ## Related Articles - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Top Characteristics of a Software Engineer](https://www.wearedevelopers.com/magazine/166-top-characteristics-of-a-software-engineer) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering)