Application Engineer jobs in United States
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Waystar · 12 hours ago

Application Engineer

Waystar is a company focused on simplifying healthcare payments through innovative technology. They are seeking an Application Engineer to design, build, and implement web and process applications while collaborating with various teams to resolve technical issues and enhance existing applications.

FinanceHealth CarePaymentsSoftware
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Growth Opportunities
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H1B Sponsor Likelynote

Responsibilities

Proposes technical solutions to the Manager, Application Engineering
Designs/develops/tests/implements improvements or new features into the Waystar website and core processing applications
Responsible for developing/augmenting applications based on the functional and technical specifications
Responsible for adhering to Waystar coding standards and the approved technologies, and proposing amendments to either when necessary
Unit tests all changes on development, and then works with the appropriate Business and/or Technology Owner(s) to ensure that the developed solution meets the business requirements
Communicates the development progress daily to the senior-level team members
Attends to any work items assigned through the internal case system in a timely fashion
Takes ownership of work items assigned, communicates estimates and daily progress as part of the SDLC process, and actively works to resolve issues blocking progress
Assists in the QA process
Participates, as required, in Production Code Turn days, providing instructions for deploying the code changes successfully, and for Smoke Testing code post-release
Develops and maintains open and fluid communication with Management
Develops and maintains a positive relationship with other team members
Assists in the creation and/or approving of technical specifications
Assists in identifying areas in the application that need to be refactored
Works with the various departments and team members to design and/or implement various new enhancements to the existing web application.; this includes, but is not limited to, SQL table design, SQL stored procedure design, and process design in the designated programming language
Tracks any changes required by such development using internal tools, and communicates to the QA Team any abnormalities required to push the changes from development through the various stages to production
Identifies and informs the Manager, Application Engineering of areas of the application that can be improved by refactoring, optimization, or other improved technology solutions
Notifies the Manager, Application Engineering of any problems that negatively impact applications, and works to implement a solution
Communicates and works with the Manager, Application Engineering to reassign any items that cannot be addressed in a timely fashion
Provides estimates for project tasks using an internal project tool, and updates the estimates if they increase or decrease
Additional duties as assigned

Qualification

C#JavaSQL ServerAWSPythonJavaScriptGitUnit TestingIntegration TestingTechnical specificationsCommunicationSelf-motivatedFast-paced adaptabilityTeam collaborationProblem-solving

Required

Experience with statically typed / compiled languages (c#, java, c, go)
Experience with dynamically typed / interpreted languages (javascript, python, php)
Experience with Relational Databases (sql server, mysql, postgres)
Experience with cloud technologies (aws, gcloud, azure)
Experience with Version Control (git)
Experience with Unit and Integration Testing Methodologies
Experience building highly-scalable software solutions
Excellent written and verbal communication skills
Ability to work in a fast-paced environment & welcome change
Highly self-motivated

Preferred

Experience scaling real-time high availability APIs
Experience integrating with payment gateways and processors (Stripe, Elavon, Authorize.Net, NMI, USAePay, WorldPay, TSYS, etc)
Experience with finance and banking processes and concepts (merchant accounts, ACH, settlement, etc)

Benefits

Competitive total rewards (base salary + bonus, if applicable)
Customizable benefits package (3 medical plans with Health Saving Account company match)
Generous paid time off for our non-exempt team members, starting with 3 weeks + 13 paid holidays, including 2 personal floating holidays
Flexible time off for our exempt team members + 13 paid holidays
Paid parental leave (including maternity + paternity leave)
Education assistance opportunities and free LinkedIn Learning access
Free mental health and family planning programs, including adoption assistance and fertility support
401(K) program with company match
Pet insurance
Employee resource groups

Company

Waystar is a technology platform that provides healthcare revenue cycle management solutions.

H1B Sponsorship

Waystar has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (2)
2023 (2)
2022 (2)
2021 (1)

Funding

Current Stage
Public Company
Total Funding
$2.12B
2025-09-11Post Ipo Secondary· $709.2M
2025-05-13Post Ipo Secondary· $557M
2025-02-20Post Ipo Equity· $800M

Leadership Team

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Steven M. Oreskovich
Chief Financial Officer
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Ryan Ayres
VP Sales - Health Systems and Hospitals - Western Region
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Company data provided by crunchbase