Sr Software Engineer

Southwest Airlines•Dallas, TX

17d•Hybrid

About The Position

Southwest Airlines Co. is seeking a Sr. Software Engineer for their Digital Team in Dallas, TX. This hybrid role, with the option to work from home, involves driving the technical direction and feature roadmap of large-scale cloud systems. The engineer will serve as a technical lead, guiding development teams, determining operational feasibility, and driving detailed feature requirements through collaboration with product managers and customers. The position focuses on continuous improvement by investigating new technologies and preparing/installing solutions. Responsibilities include evaluating code for validity, structure, and compatibility, mentoring Software Engineers, and staying updated on development tools and techniques. The role also involves building and maintaining shared UI component libraries with accessibility (WCAG) and internationalization (i18n) compliance, conducting performance optimization for large-scale applications, and utilizing automated testing frameworks integrated into CI/CD pipelines. The engineer will proactively share knowledge and apply domain expertise in high-volume transactional booking, e-commerce, API integration, and web application security protocols.

Requirements

Bachelor’s or foreign equivalent degree in Computer Science, Computer Engineering, Information Systems, or a related field.
5 years of progressive, post-baccalaureate experience in the job offered or as a Software Engineer, Software Developer, or in a related/similar position.
5 years of experience in JavaScript ES6+, React.js, Redux Toolkit, Context API, Hooks, HTML5, CSS3 and SCSS, micro-frontend architectures.
5 years of experience in enterprise-level software delivery using Agile/Scrum methodologies, CI/CD pipelines, Git, and code review practices.
5 years of experience in domain experience in high-volume transactional booking and e-commerce workflows, API integration, and end-to-end order lifecycle management.
5 years of experience in automated testing frameworks including Jest, Cypress, and React Testing Library with integration into CI/CD pipelines.
5 years of experience in web application security protocols and authentication standards, OAuth2.0, SAML, JWT, PCI-DSS compliance.
5 years of experience in e-commerce or booking platforms.
Hybrid role, ability to work from home.

Responsibilities

Drive the technical direction and feature roadmap of large-scale cloud systems for the Digital Team.
Serve as a technical lead contributing to and guiding the efforts of development teams.
Determine operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions.
Drive detailed feature requirements through discussions with product managers and customers.
Support continuous improvement by investigating alternatives and new technologies.
Prepare and install solutions by determining and designing system specifications, standards, and programming.
Evaluate code to ensure it is valid, is properly structured, meets industry standards, and is compatible with browsers, devices, or operating systems.
Mentor Software Engineers to allow for skill/knowledge development through advice, coaching, and training opportunities.
Update job knowledge by studying state-of-the-art development tools, programming techniques and computing equipment; participating in educational opportunities; reading professional publications; maintaining personal networks; participating in professional organizations.
Build and maintain shared UI component libraries with accessibility (WCAG) and internationalization (i18n) compliance.
Conduct performance optimization for large-scale applications, including server-side rendering, lazy loading, caching strategies, and Core Web Vitals monitoring.
Utilize automated testing frameworks including Jest, Cypress, and React Testing Library with integration into CI/CD pipelines.
Proactively share knowledge and skills of software development and testing to solve a range of problems.
Apply domain expertise in high-volume transactional booking and e-commerce workflows, API integration, and end-to-end order lifecycle management.
Use Web application security protocols and authentication standards, including OAuth2.0, SAML, and JWT, with PCI-DSS compliance in e-commerce or booking platforms.