Sr Software Engineer

Department: Technology
Our Company Promise
We are committed to provide our Employees a stable work environment with equal opportunity for learning and personal growth. Creativity and innovation are encouraged for improving the effectiveness of Southwest Airlines. Above all, Employees will be provided the same concern, respect, and caring attitude within the organization that they are expected to share externally with every Southwest Customer.
Job Description:
The Sr Software Engineer supports the Crew Planning Technology Team and contributes to the development of the CALM (Crew Attendance and Leave Management) system that is being rebuilt as a modern greenfield application. They’ll design, code, test, document, and implement well‑integrated systems that align with Customer needs, technology standards, and organizational methodologies. They’ll identify and prevent production issues, drive swift resolution across technology areas, and mentor Engineers while promoting shift‑left practices. The Sr Software Engineer brings a continuous‑improvement mindset and leverages modern tools, including AI‑assisted development, to strengthen delivery, enhance reliability, and support Southwest’s strategic technology goals.
Additional Details
This role is offered as a remote workplace position, which may require travel for trainings, meetings, conferences, etc. Outside of those required visits, the majority of your working time may be spent in an approved remote location, away from our Corporate Campus. Please note, while this is a remote position, there is limited group of states or localities ineligible for Employees to regularly perform their work off-site. Those ineligible locations are: Alaska, California, Colorado, Delaware, Illinois, Iowa, Massachusetts, Maryland, Montana, New Jersey, New Hampshire New York, North Dakota, South Dakota, Oregon, Pennsylvania, Vermont, Washington, West Virginia, and Wyoming, and Puerto Rico.
U.S. citizenship or current authorization to work in the U.S. required and no current or future work authorization sponsorship available .
We’re committed to fair hiring practices and to making employment decisions without regard to race, color, religion, sex, sexual orientation, gender identity, gender expression, national origin, age, military or veteran status, disability, genetic information, or other legally protected characteristics.
Responsibilities
Drive the technical direction and feature roadmap of large-scale cloud systems
Serve as a technical lead contributing to and directing the efforts of development teams, including internal and external team members
Determines operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions
Drives detailed definition of feature requirements through discussions with product managers and customers
Supports continuous improvement by investigating alternatives and new technologies
Prepares and installs solutions by determining and designing system specifications, standards, and programming
Evaluates code to ensure that 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
May perform other job duties as directed by Employee's Leaders
Knowledge, Skills and Abilities
Advanced knowledge of software development methodologies, practices, concepts, and technologies obtained through formal training and / or work experience
Proactively shares knowledge and skills of software development and testing to solve a range of problems
Advanced knowledge of at least one required programming language
Excellent partnering, communication, negotiation skills, and execution in working with various Technology or partner Teams
Ability to articulate (verbally / visually) ideas, approach, concepts, options, risk, impact, and provides guidance to technical, non-technical, and Leadership audiences
Ability to lead multiple assignments, whether administrative or project related, while maintaining a successful level of completion in all responsible work
Ability to mentor others
Ability to lead ideating, presentations, mentoring and group-thinking sessions
Ability to influence without authority Education
Required: High School Diploma or GED
Required: Bachelor's degree in Computer Science, Engineering, Information systems or similar fields of study or equivalent advanced level experience
Experience
Required: Advanced-level experience, seasoned and specialized knowledge in software development and methodologies
Preferred: Experienc e in Cloud Infrastructure : AWS (Lambda, API Gateway, S3, ECS, and SNS/SQS/Elastic cache).
Preferred: Experience in REST APIs and Confluent Kafka event-driven architecture.
Preferred: Experience in Angular, ReactJS, NodeJS, Java (Springboot ), Python, Hypermedia
Preferred: Experience in OpenTelemetry , AWS CloudWatch, Prometheus, and Grafana.
Preferred: Familiarity with CI/CD pipelines (GitLab preferred), Infrastructure as Code (I aC ) using T err aform or T erragrunt
Preferred: Experience in automated End-to-end integration testing and performance/load testing of microservices
Preferred: Experience in Selenium, Postman, RestAssured , LoadRunner, Playwright
Preferred: Experience in Microservices architecture, Microfrontend, serverless design patterns , and active/standby multi-region failover strategies
​ Licensing/Certification
N/A
Physical Abilities
Ability to perform work duties from [limited space work station/desk/office area] for extended periods of time
Ability to communicate and interact with others in the English language to meet the demands of the job
Ability to use a computer and other office productivity tools with sufficient speed and accuracy to meet the demands of the job
Other Qualifications
Must maintain a well-groomed appearance per Company appearance standards as described in established guidelines
Must be a U.S. citizen or have authorization to work in the United States as defined by the Immigration Reform Act of 1986
Must be at least 18 years of age
Must be able to comply with Company attendance standards as described in established guidelines
Must be able to travel and /or attend Company and non-Company facilities and remote locations such as remote-based offices as necessary
Pay & Benefits
Competitive market salary from $ 138,800 per year to $154,200 per year\* depending on qualifications and experience. For eligible Leadership and individual contributor roles, additional bonus opportunities are available and awarded at the discretion of the company.
Benefits you’ll love
Fly for free, as a privilege, on any open seat on all Southwest flights (your eligible dependents too)
Southwest will help fund your Retirement Savings Plan with Company contributions up to 9.3% of your eligible earnings\*\*
Potential for annual ProfitSharing contribution in the Southwest Retirement Savings Plan- when Southwest profits, you profit\*\*\*
Competitive health insurance for you and your eligible dependents (including pets)
Southwest offers health plan coverage options that start from the very first day of employment. You will have 30 days to select and enroll in your health plan with coverage retroactively available to your first day of employment.
Explore more Benefits you’ll love: https://careers.southwestair.com/benefits

• Pay amount does not guarantee employment for any particular period of time.

\*\*401(k) match contributions are subject to the plan’s vesting schedule and applicable IRS limits
\*\*\*ProfitSharing contributions are subject to plan’s vesting schedule and are made at the discretion of the Company
Southwest Airlines is an Equal Opportunity Employer.
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Job Posting End Date
03/16/2026