Lead Developer - Full Stack

Test Frontier; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

Frontier Airlines is seeking a seasoned Full Stack .NET Lead Developer to drive web, mobile, and API solutions on a modern cloud-first stack. You will lead design decisions, architecture standards, and CI/CD practices within an agile team to deliver high-quality features.

The ideal candidate has 10+ years in web development, deep Azure experience, and strong expertise with React, React Native, and Next.js, plus AWS familiarity.

Qualifications

• 10+ years of web development experience in the Microsoft .NET technology stack.
• Deep Microsoft Azure experience and expert CI/CD skills.
• Strong experience with React, React Native, and Next.js.
• Working knowledge of AWS is also required.

Responsibilities

• Work within an agile team to develop, test, and maintain consumer-facing web, mobile, and API applications built with C#, .NET, ASP.NET Core, Web API, React, React Native, Next.js, SQL Server, and Microsoft Azure
• Participate in bi-weekly sprint planning sessions, helping to provide sub-tasks and estimates for user stories for the work to be done in the upcoming sprint
• Participate and lead peer reviews of solution designs and code
• Provide technical expertise and leadership across the full stack, with primary focus on .NET, Azure, React, React Native, and Next.js
• Define and uphold application and cloud architecture standards, risk management controls, and security policies
• Develop technical documents to accurately represent application design and code
• Work closely with QA to triage and fix bugs
• Test deliverables against a user story's acceptance criteria includ

Skills

Full-stack development

.NET

React

React Native

Next.js

Azure

CI/CD

API design

Agile

AWS knowledge

Tools

Azure DevOps

Git

SQL Server

AWS

Job description

Working at Frontier Airlines At Frontier, our mission is to Make Every Flight Count. That mission guides how we support our customers, our people and the operation every day. As a Frontier employee, your work connects to more than a single role. Whether you're supporting flights, helping customers, maintaining aircraft, leading teams or working behind the scenes, you help create a travel experience that is safe, reliable and built around value.

Our work is guided by our core values: customer first, safety always, operational excellence and one team. These values shape how we make decisions, support each other and deliver for the people who count on us.

Support for work, life and travel Frontier offers benefits, programs and travel privileges designed to support eligible employees at work and beyond. Availability may vary by role, employment status, eligibility, location, schedule, applicable policies and current plan details.

Depending on role and eligibility, available benefits and programs may include:

• Medical, dental and vision coverage
• 401(k) retirement savings options
• Paid holidays, vacation time and sick time
• Travel privileges on Frontier Airlines and participating partner airlines, based on current program rules and availability
• Buddy passes, based on eligibility and program rules
• Travel-related discounts and employee discounts on select products, services and vendors

A hybrid schedule for eligible headquarters roles based in Denver, Colorado

Business casual dress options for eligible corporate and support roles

Employee support programs and resources, including the HOPE League, Frontier Airlines' nonprofit organization

About Frontier Airlines

Frontier Airlines is a Denver-based airline serving destinations across the United States and select international markets. Our people support every part of the travel journey, from airport operations and flight crews to aircraft maintenance, customer support, corporate teams and more. We're focused on delivering meaningful value by making travel more accessible, practical and easy to personalize for our customers.

Across the airline, our teams help support a safe, reliable and efficient operation while continuing to strengthen the experience for the people who choose Frontier.

What Will You Be Doing?

The Full Stack Lead Developer must have extensive working knowledge of full-stack software development and software engineering practices, with deep expertise in Microsoft .NET and Azure. In addition, they must have experience collaborating with architects, project managers, and product owners to deliver high-quality software features that exceed customer expectations. They must also be capable of working independently in a fast-paced environment. This developer will lead projects and have significant influence over application design, cloud architecture, technology stack decisions, CI/CD practices, and development.

Frontier Airlines is currently reviewing qualified candidates for a full-time Full Stack .NET Lead Developer. The ideal candidate has 10+ years of web development experience in the Microsoft .NET technology stack, deep Microsoft Azure experience, expert CI/CD skills, and strong experience with React, React Native, and Next.js. Working knowledge of AWS is also required. You need solid back-end programming and API design experience together with modern, responsive web and mobile front-end experience.

For the right candidate, Frontier Airlines' development environment provides a unique opportunity to be part of a team rebuilding the entire commercial software system (Website, Mobile App, Middleware). It will be designed and implemented in a modern cloud-first architecture where you will lead one or more areas of development and be a key player.

Essential Functions

• Work within an agile team to develop, test, and maintain consumer-facing web, mobile, and API applications built with C#, .NET, ASP.NET Core, Web API, React, React Native, Next.js, SQL Server, and Microsoft Azure
• Participate in bi-weekly sprint planning sessions, helping to provide sub-tasks and estimates for user stories for the work to be done in the upcoming sprint
• Participate and lead peer reviews of solution designs and code
• Provide technical expertise and leadership across the full stack, with primary focus on .NET, Azure, React, React Native, and Next.js
• Define and uphold application and cloud architecture standards, risk management controls, and security policies
• Develop technical documents to accurately represent application design and code
• Work closely with QA to triage and fix bugs
• Participate in the evolution of best practices, standards, and policies as it relates to software development
• Write code that is simple, maintainable, reusable, and conforms to team coding style and standards
• Accurately maintain code in source control (Azure DevOps Git), appropriately documenting pull requests, reviews, merges, and releases
• Test deliverables against a user story's acceptance criteria includ