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Role description

Senior Software Engineer II

Waystar logoWaystar
TypeFull-time
WorkplaceOn-site
SenioritySenior
LocationAtlanta, GA
Posted9/18/2026
Engineering

ABOUT THIS POSITION

As a Senior Software Engineer in the Patient Payments organization at Waystar, you will solve problems that affect real people. You should care deeply about how your users interact with your application and how other engineers will iterate on your code. You should also be passionate about using modern technologies, removing tech debt, and improving processes. Instead of asking “Why is this the way it is?”, you ask “How can I make this better?” 

The team is responsible for building full stack applications for both health system staff and patients. The team works closely with Product to bring new features to market to best support the needs of enterprise health systems and engage with patients through a Best in KLAS user experience. The web portals utilize modern web technologies to facilitate payment processing, account management and reporting.

WHAT YOU'LL DO

  • You will join a team of full stack engineers to build new features for our web applications, as well as support and maintain them

  • You should expect to move up and down the software stack, writing client-side JavaScript, HTML, and CSS, server-side PHP and the SQL statements for the products you release

  • Collaborate with Product, UX and other engineering teams to solve difficult problems and design new features

  • Scope out technical designs that enable your team to execute on proposed solutions

  • Upgrade legacy apps and code to modern frameworks and technologies

  • Mentor junior engineers and promote a culture of learning and teaching

  • Actively lead technical roadmap for the team

  • Embrace an agile development process that emphasizes test automation, code reviews, and fast release cycles

  • Be a communicator! Have opinions and the ability to justify them - we want to know what you think

WHAT YOU'LL NEED

  • Bachelor’s Degree in Computer Science or related field preferred (or equivalent experience)

  • 5+ years of professional full stack web development experience

  • Object-oriented programming (we’re mostly PHP)

  • Relational databases (we use MySql)

  • Modern JavaScript frameworks such as Angular, React, or Vue (we use Vue)

  • JavaScript, HTML, CSS, and/or MVC Frameworks

  • Unit and integration testing methodologies

  • Distributed system architecture and asynchronous processing using queues (AWS SQS)

  • Automated production logging, monitoring and alerting

  • Agile development

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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Company info

Waystar logo

Waystar

Waystar’s enterprise-grade software is purpose-built with advanced AI so providers can focus on what matters most.

Waystar’s enterprise-grade software is purpose-built to simplify healthcare payments. We enable providers to prioritize patient care and optimize their financial performance. Waystar serves approximately 30,000 clients, representing over 1 million distinct providers, including 16 of 20 institutions on the U.S. News Best Hospitals Honor Roll. Waystar’s enterprise-grade platform annually processes over 5 billion healthcare payment transactions, including over $2.4 trillion in annual gross claims and spanning approximately 60% of U.S. patients. Waystar strives to transform healthcare payments so providers can put the human touch where it matters most: their patients and communities. Put simply, Waystar is the way to make healthcare payments more human with a software platform designed for providers + patients. Discover the way forward at waystar.com.

Founded2017
HQLouisville, United States
Size1,001–5,000 employees
Unlock human wisdom
ThesisTermsPrivacy
IndustrySoftware Development
Tech stackbootstrap, amazon-sqs, envoy, sentinelone, serverless, power-bi, snort, prism, ml-flow, imovie
News
  • After exercising $4.14 options, Waystar (WAY) CEO sells 82,500 shares under an automatic plan.
  • Waystar touts bigger health system wins and growing AI pipeline
  • Truist reiterates Waystar stock rating on strong bookings growth
  • Waystar: Q3 Earnings Snapshot
  • Waystar (WAY) Q3 2026 Earnings Call Transcript

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