Senior Software Engineer I

Waystar, Inc; Atlanta (GA); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Base salary + bonus

Benefits package (3 medical plans + Hs

Paid time off

Parental leave

Education assistance

Mental health programs

401(k) match

Pet insurance

Employee resource groups

Job summary

Waystar seeks a Senior Software Engineer to join our growing team in Atlanta. You will design, build, and implement web and processing applications with a focus on scalable solutions and collaboration with business units.

You’ll work with statically and dynamically typed languages, cloud platforms, and database technologies, contributing to QA, deployment, and refactoring efforts while maintaining strong communication with stakeholders.

Qualifications

• 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, PostgreSQL).
• Experience with cloud technologies (AWS, GCP, 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 and embrace change.
• Preferred: Experience scaling real-time high-availability APIs.
• Preferred: Experience integrating with payment gateways and processors.
• Preferred: Experience with finance and banking processes and concepts.

Responsibilities

• Proposes technical solutions to the Manager, Application Engineering.
• Designs, develops, tests, and implements improvements or new features into the Waystar website and core processing applications.
• Develops/augments applications based on functional and technical specifications.
• Adheres to Waystar coding standards and approved technologies.
• Unit tests changes on development and verifies requirements with Business/Technology Owners.
• Communicates development progress daily to senior team members.
• Takes ownership of work items, provides estimates, and tracks progress in SDLC.
• Assists in QA and participates in Production Code Turn days for deployments.
• Develops and maintains open communication with Management and other team members.
• Identifies areas for refactoring and performance improvements.

Skills

C#

Java

C

Go

JavaScript

Python

PHP

SQL Server

MySQL

PostgreSQL

AWS

GCP

Azure

Git

Unit Testing

Integration Testing

Scalability

Communication

Real-time APIs

Payment Gateways

Finance & Banking Concepts

Job description

About This Position

We are looking for an outstanding, brilliant, and driven Senior Software Engineer to join our growing team. While our Software 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 Senior Software 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, and implements improvements or new features into the Waystar website and core processing applications
• Develops/augment applications based on functional and technical specifications
• Adheres to Waystar coding standards and the approved technologies, and proposes amendments when necessary
• Unit tests all changes on development, 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 senior-level team members
• Attends to any work items assigned through the internal case system in a timely fashion
• Takes ownership of work items, 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 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 various departments and team members to design and/or implement 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 changes with internal tools, communicates to QA Team any abnormalities required to push changes from development through the stages to production
• Identifies and informs the Manager of areas that can be improved by refactoring, optimization, or other improved technology solutions
• Notifies Manager of any problems that negatively impact applications, and works to implement a solution
• Communicates and works with Manager to reassign any items that cannot be addressed in a timely fashion
• Provides estimates for project tasks using an internal project tool, updates estimates if they change
• 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, PostgreSQL)
• Experience with cloud technologies (AWS, GCP, 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
• Preferred: Experience integrating with payment gateways and processors (Stripe, Elavon, Authorize.Net, NMI, USAePay, WorldPay, TSYS, etc.)
• Preferred: Experience with finance and banking processes and concepts (merchant accounts, ACH, settlement, etc.)

About Waystar

Waystar helps providers simplify healthcare payments and improve financials through a cloud‑based platform. With over 1M providers, 1K hospitals and health systems, and 5K payers, we support the full revenue cycle.

Waystar Perks

• Competitive total rewards (base salary + bonus, if applicable)
• Customizable benefits package (3 medical plans with Health Saving Account company match)
• Generous paid time off: non‑exempt team members get 3weeks + 13 paid holidays; exempt members have flexible time off + 13 paid holidays
• Paid parental leave (including maternity & paternity leave)
• Education assistance, 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

Equal Opportunity Employer

Waystar is proud to be an equal opportunity workplace. 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, recall, transfer, leaves of absence, compensation, and training.