Software Engineer II

Waystar

Atlanta, USonsitePosted Jun 17, 2026
Posting intelligenceActively listed

Skills

javascriptpostgrespythonazuremysqljavaawsphpgoc#

About the role

ABOUT THIS POSITION

The FinTech team is responsible for building and managing real-time APIs, both for our integrating partners, and payment processing industry vendors. The team is also responsible for building and managing the core system logic to batch payment data and integrate with the banking system for funding and accounting. The team builds internal tools to manage merchant onboarding and payment exception handling.

Right now, we are looking for an outstanding, brilliant, and driven Application Engineer to join our growing team. While our Application Engineers are involved in multiple things throughout the Technology organization, primarily they are responsible for working with the Technology and the Business teams to design, build, and implement amazing web and process applications. These Team Members are also charged with assisting the Client Success department in resolving issues relating to production processes. The Application Engineer is responsible for troubleshooting and resolving technical issues as well.

WHAT YOU'LL DO

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

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

WHAT YOU'LL NEED

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 Skills:

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)

ABOUT WAYSTAR

Through a smart platform and better experience, Waystar helps providers simplify healthcare payments and yield powerful results throughout the complete revenue cycle.

Waystar’s healthcare payments platform combines innovative, cloud-based technology, robust data, and unparalleled client support to streamline workflows and improve financials so providers can focus on what matters most: their patients and communities. Waystar is trusted by 1M+ providers, 1K+ hospitals and health systems, and is connected to over 5K commercial and Medicaid/Medicare payers. We are deeply committed to living out our organizational values: honesty; kindness; passion; curiosity; fanatical focus; best work, always; making it happen; and joyful, optimistic & fun.

Waystar products have won multiple Best in KLAS® or Category Leader awards since 2010 and earned multiple #1 rankings from Black Book™ surveys since 2012. The Waystar platform supports more than 500,000 providers, 1,000 health systems and hospitals, and 5,000 payers and health plans. For more information, visit waystar.com or follow @Waystar on Twitter.

WAYSTAR PERKS

Competitive total rewards (base salary + bonus, if applicable)

Customizable benefits package (3 medical plans with Health Saving Account company match)

We offer generous paid time off for our non-exempt team members, starting with 3 weeks + 13 paid holidays, including 2 personal floating holidays. We also offer 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

Waystar is proud to be an equal opportunity workplace. We celebrate, value, and support diversity and inclusion. Qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, marital status, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

This applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

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