Sr Developer - Mobile App Android

Job title: Sr Developer - Mobile App Android in Denver, CO at Frontier Airlines

Company: Frontier Airlines

Job description: Description :Why Work for Frontier Airlines?At Frontier, we believe the skies should be for everyone. We deliver on this promise through our commitment to Low Fares Done Right. This is more than our tagline - it’s our driving philosophy. Every member of Team Frontier has an important role to play in bringing this vision to life. Our successful business model allows travelers to take advantage of our fast-growing route network, while our bundled and unbundled pricing options allow our customers to personalize their travel experience and only pay for the services they need, saving them money along the way.What We Stand ForLow Fares Done Right is our mission, and we strive to bring it to life every day. Our ‘Done Right’ promise means delivering not only affordable prices but also making travel friendly and easy for our customers. To do this, we put a great deal of care into every decision and action we take. We must be efficient with the use of our resources and make smart decisions about how we run our business. We must also innovate and be pioneers - we’re not afraid to try new things. While our business requires us to fly high in the air, we also consider ourselves down-to-earth in our approach, creating a warm and friendly experience that truly demonstrates Rocky Mountain Hospitality.Work PerksAt Frontier, we like to think we’re creating something very special for our team members. Work is why we’re here, but the perks are nice too:

• Flight benefits for you and your family to fly on Frontier Airlines


• Buddy passes for your friends so they can experience what makes us so great


• Discounts throughout the travel industry on hotels, car rentals, cruises and vacation packages


• Discounts on cell phone plans, movie tickets, restaurants, luggage and over 2,000 other vendors


• Enjoy a ‘Dress for your Day’ business casual environment


• Flexible work schedules that support work/life balance


• Total Rewards program including a competitive base salary, short term incentives, long-term incentives, paid holidays, 401(k) plan, vacation/sick time and medical/dental/vision insurance that begins the 1st of the month following your hire date.


• We play our part to make a difference. The HOPE League, Frontier Airlines’ non-profit organization, is dedicated to providing employees financial assistance during catastrophic hardship

Who We AreFrontier Airlines is committed to offering ‘Low Fares Done Right’ to more than 100 destinations and growing in the United States, Canada, Dominican Republic, and Mexico on more than 350 daily flights. Headquartered in Denver, Frontier’s hard-working aviation professionals pride themselves on delivering the company’s signature Low Fares Done Right service to customers. Frontier Airlines is the proud recipient of the Federal Aviation Administration’s 2018 Diamond Award for maintenance excellence and was recently named the industry’s most fuel-efficient airline by The International Council on Clean Transportation (ICCT) as a result of superior technology and operational efficiencies.

• Frontier is the most fuel-efficient of all major U.S. carriers when measured by ASMs per fuel gallon consumed.

What Will You Be Doing?As a Senior Android Developer at Frontier Airlines, you’ll be a key contributor to our Agile mobile development team, helping to shape and evolve the Android experience for millions of travelers. You’ll work closely with product owners, designers, backend engineers, and QA analysts in a fast-paced, iterative environment to deliver high-quality, customer-centric features. Your work will directly impact how our customers plan, manage, and enjoy their travel with Frontier.Essential Functions

• Lead the design, development, and maintenance of Frontier’s Android applications using Kotlin and modern Android frameworks.


• Collaborate daily with cross-functional Agile teams to define, build, and iterate on new features.


• Participate in all Agile ceremonies including sprint planning, daily stand-ups, backlog grooming, and retrospectives.


• Conduct code reviews, mentor junior developers, and contribute to architectural decisions.


• Integrate with RESTful and GraphQL APIs, Firebase services, and Azure infrastructure.


• Use Gradle and Fastlane for CI/CD automation and Sauce Labs for automated testing.


• Leverage FullStory for user behavior analytics and performance insights.


• Translate UX/UI designs into functional, high-quality code that aligns with platform standards and accessibility best practices.


• Monitor app performance and user feedback to drive continuous improvement.


• Document all work for future reference and write technical specifications when required.


• Stay current with Android development trends, tools, and best practices.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).


• 5+ years of professional Android development experience.


• Strong proficiency in Kotlin and Android SDK; experience with Jetpack Compose is a plus.


• Demonstrated experience working in Agile/Scrum environments.


• Experience publishing and maintaining apps on the Google Play Store.


• Familiarity with CI/CD pipelines using tools like Gradle, Fastlane, and Azure DevOps.


• Experience with Firebase (Analytics, Crashlytics, Remote Config) and GraphQL APIs.


• Airline industry experience is a plus.

Knowledge, Skills and Abilities

• Deep understanding of Android frameworks, Material Design guidelines, and mobile architecture patterns (MVP, MVVM, MVI, etc.).


• Strong problem-solving skills and attention to detail.


• Excellent communication and collaboration skills in a team-oriented environment.


• Ability to write clean, maintainable, and testable code.


• Experience with Git and version control best practices.


• Knowledge of mobile security and performance optimization.


• Familiarity with tools and platforms, including:

• Android Studio and related Android development tools


• Azure DevOps for project tracking and CI/CD


• Gradle and Fastlane for build automation


• Firebase Console for analytics and crash reporting


• Sauce Labs for automated testing


• FullStory for session replay and user behavior analysis


• Figma for interpreting and implementing UX/UI designs


• Sonar for code quality analysis


• Understanding of WCAG accessibility standards and how to apply them in mobile development.


• Awareness of DOT regulatory requirements as they relate to mobile applications.


• Passion for delivering intuitive, high-quality user experiences.

Equipment Operated

• Android development workstation (e.g., high-performance laptop or desktop)


• Android smartphones and tablets for testing and QA

Work EnvironmentHybrid work environment. This position requires the employee to work on-site at Frontier’s Denver headquarters a minimum of 2–3 days per week, with the flexibility to work remotely on other days.Employees must have adequate home office space and reliable internet access to effectively perform their duties and participate in video meetings using various conferencing platforms. Occasional visits to airport locations may also be required for on-site testing and collaboration with operational teams.Physical EffortGenerally, not required.Supervision ReceivedGeneral Supervision: The incumbent performs a variety of routine work within established policies and procedures and receives detailed instructions on new projects and assignments.Positions Supervised

• None

Salary Range: ($100,104 - $132,870)Please note: this posting has a closing date of on or before midnight 6/22/25 MT.Workplace PoliciesDisclaimer: The above statements are intended only to describe the general nature and level of work required of the referenced position; they are not intended to be an exhaustive list of all responsibilities, duties, and skills required of individuals in this position. Please be advised that duties and expectations of this position may be subject to change.Frontier Airlines, Inc. is an equal opportunity employer and, as such, is committed to providing equal employment opportunities to all qualified applicants without regard to race, color, religion, sex, national origin, age, marital status, veteran status, sexual orientation, gender identity or expression, disability status, pregnancy, genetic information, citizenship status or any other basis protected by federal, state, or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.Frontier Airlines is a Zero Tolerance Drug-Free Workplace. All prospective DOT safety-sensitive employees are subject to pre-employment testing for the following drugs and their metabolites: Marijuana, Cocaine, Amphetamines, Opioids and Phencyclidine (PCP). Further, any DOT safety-sensitive job applicant who is found to have tested positive on any required drug or alcohol test at a former employer will be considered ineligible for employment with Frontier.Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.

Expected salary: $100104 - 132870 per year

Location: Denver, CO

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