Sr Software Engineer

Southwest Airlines • Dallas, TX

31d • Remote

About The Position

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 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. 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.

Requirements

• 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
• High School Diploma or GED
• Bachelor's degree in Computer Science, Engineering, Information systems or similar fields of study or equivalent advanced level experience
• Advanced-level experience, seasoned and specialized knowledge in software development and methodologies
• 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
• 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

Nice To Haves

• Experience in Cloud Infrastructure : AWS (Lambda, API Gateway, S3, ECS, and SNS/SQS/Elastic cache).
• Experience in REST APIs and Confluent Kafka event-driven architecture.
• Experience in Angular, ReactJS, NodeJS, Java (Springboot ), Python, Hypermedia
• Experience in OpenTelemetry , AWS CloudWatch, Prometheus, and Grafana.
• Familiarity with CI/CD pipelines (GitLab preferred), Infrastructure as Code (I aC ) using T err aform or T erragrunt
• Experience in automated End-to-end integration testing and performance/load testing of microservices
• Experience in Selenium, Postman, RestAssured , LoadRunner, Playwright
• Experience in Microservices architecture, Microfrontend, serverless design patterns , and active/standby multi-region failover strategies

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

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level