Software Development Intern Jobs in Lone Tree, CO

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 For

Low 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 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.

Who We Are

Frontier 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 in 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.

What Will You Be Doing?

As an integral part of Frontier's success, Treasury Interns receive high visibility by management along with a range of formal training and informal learning opportunities that support ongoing professional development and career growth.  The Treasury Department is a high exposure component of the corporate finance area of the company that manages a variety of important responsibilities.  The focus of the Treasury Intern will be to assist with a variety of projects and tasks that touch on many different aspects of the Treasury department.  This internship is for Fall 2026 -9/9/2026 - 12/11/2026 based in Denver, CO.

Essential Functions

The Treasury Intern will assist the Treasury team with projects and tasks, including:

• Cash forecasts and daily cash summaries
• Cash duties, including payments and receipts and reconciliation of daily cash position
• Fleet finance and administration
• Corporate insurance
• Fuel administration and operations
• Risk management and financial markets
• Financial analysis and reporting Corporate finance and borrowing
• Contract negotiations
• Scenario analysis
• Internal consulting to functions across the organization

Qualifications

• 3+ years of relevant undergraduate-level coursework completed or currently enrolled in a graduate program, preferred
• Must be enrolled in an accredited university
• Relevant coursework includes finance, accounting, business administration, economics, mathematics, and other quantitative disciplines
• Demonstrated understanding of economic, financial and accounting concepts
• Familiarity with Excel, macros and other software used for data mining and analysis
• Available to work full-time hours during course of internship

Knowledge, Skills and Abilities

• The Treasury Interns should have an interest in finance, accounting, capital markets including the fuel markets and/or   treasury management. An interest in aviation is a plus, but not necessary. 
• Strong written and verbal communication and presentation skills
• Ability to structure logical analytical approaches and to apply a range of quantitative techniques to solve business problems in an efficient, timely manner
• Ability to work self-sufficiently to creatively solve analytical challenges with limited data and imminent deadlines
• Superior analytical skills and familiarity with data gathering/mining techniques
• Business acumen and strategic mindset
• Strong work ethic, results-oriented

Equipment Operated

Standard office equipment, including PC, copier, fax machine, printer

Work Environment

Typical office environment, adequately heated and cooled

Physical Effort

Generally, not required.

Supervision Received

Close Supervision:  The incumbent is assigned duties according to specified procedures and receives detailed instructions.  Work is checked frequently.

Positions Supervised

None 

Pay Rate

Class Year

 Interns
($ per hour)

Freshman

19.50

Sophomore

20.50

Junior

21.25

Senior

22.25

Graduate Program

24.25

Please note: this posting has a closing date of on or before 8/6/2026, midnight MT.

Workplace Policies

Disclaimer: 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.