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Senior Principal Full Stack Engineer

Job in Las Vegas, Clark County, Nevada, 89101, USA
Listing for: Allegiant Travel
Full Time position
Listed on 2026-07-25
Job specializations:
  • Software Development
    Full Stack Developer, Software Architect, Software Engineer
Job Description & How to Apply Below

Senior Principal Full Stack Engineer

As a Senior Principal Full Stack Engineer at Allegiant, you play a key role in the delivery of highly reliable, scalable, and maintainable systems. You will drive projects end-to-end, collaborating on product definitions with Product Managers, architect and implementing technical solutions with talented teams, and ensuring continued success even after deployment. This position works closely with others to facilitate platform convergence and when necessary participate in a phased implementation of the new applications using standard development tools and methodologies.

You will lead and participate in design reviews, architecture discussions and other technical leader activities. You're comfortable working independently as well as supporting other team members. You're pragmatic, tenacious, and comfortable with ambiguity. You'll be able to balance technical leadership and acumen with strong business judgment to make the right decisions about technology choices. You'll strive for simplicity, while bringing technical insights into how to refine and improve the system, ultimately ensuring performance, stability, and an exceptional end user experience.

Minimum Requirements Combination of

Education and Experience will be considered. Must be authorized to work in the US as defined by the Immigration Act of 1986. Must pass a Criminal Background Check.

Education:

Bachelor's Degree in Computer Science, Math, Management Information Systems (MIS), or related field. Master's Degree is a plus. Certification:
Java (8,
9), server-side JavaScript (under Node.js, Meteor), PHP 7.x, C#, C++, Python, HTML5, CSS3, AJAX, JavaScript, JQuery and latest frameworks (AngularJS, ReactJS/Redux, Backbone), etc. Years of

Experience:

Minimum twelve (12) years' of development experience as a seasoned middleware engineer, airline and/or hospitality experience preferred. Minimum nine (9) years' of software development, architect, and building multi-tiered, high-volume fault tolerant, high-availability, and globally distributed systems in a Linux environment; E commerce experience is a plus.

Job Duties Lead a software project from requirements analysis till deployment, having complete responsibility of all the technical deliverables through the life cycle (requirements analysis, design, implementation, QA support and deployment) of the project with no supervision. Work with other teams such as QA, PMO and IT Operations and provide them technical support and guidance to ensure successful delivery of a software project.

Possess expert knowledge in performance, scalability, enterprise system architecture, and engineering best practices Resolve application performance and scalability issues by identifying bottlenecks, resource utilization and key areas of improvement Functionally decompose complex problems into simple, straightforward solutions Member of architecture team that is responsible for framework evaluation, recommendation and plan integration; modeling process, developing re-usable components and design an n-tier system and scalable architecture Provide solution architecture for business problems while balancing essential technical guidelines.

Re-factor current application implementation to enhance the application and align with technology roadmap Drive innovation by contributing new ideas for our processes, tools, and technologies Design and implement product enhancements based on business priorities Exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing your deep knowledge and experience Design and develop domain data models and database schema to support business requirements Work with the business analysts to gather and analyze requirements;

develop high-level system narratives, storyboards and UI prototypes. Keep up with the latest developments in the front-end and middleware framework/community Conduct design and code reviews and contribute, adhere to, and enforce standards and best practices in software development Develop prototypes or demos for any strategic business initiative Assist in the career development of others, actively…

Position Requirements
10+ Years work experience
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