Software Engineer II

Patterson Companies, Inc.•Denton, TX

About The Position

Patterson isn't just a place to work, it's a partner that cares about your success. One of the distinguishing marks of our company is the talented people who embrace the people-first, always advancing, and results-driven culture. Professional growth abounds in this motivating environment. We value the diverse talents and experiences our employees bring to Patterson and believe that they build a stronger and successful organization. Job Summary The Software Engineer II's role is to define, develop, test, analyze, and maintain software applications in support of the achievement of Patterson software requirements. This includes writing, coding, testing, and analyzing software programs and applications. The Software Engineer II will also research, design, document, and modify software specifications throughout the development life cycle. Essential Functions Collaborates with clients, developers and other team members in the conceptualization and development of new or existing software applications. Assists in the definition, development, and documentation of software's business requirements, objectives, deliverables, and specifications on a project-by-project basis in collaboration with internal users and departments. Helps research, identify, analyze, and fulfill requirements of all internal and external program users and stakeholders. Writes programming scripts to enhance functionality and/or performance of company applications as directed. Executes software testing on new and existing programs for the purposes of correcting errors and general debugging. Participates in defining software development project plans, including scoping, scheduling, and implementation. Performs program turnover to production support and customers upon completion of development, testing, and documentation. Provides higher level support for incoming incident tickets from end users to resolve application and software issues. Partners with other engineers in resolving problems with software products or company software systems. Comply with Company and department policies and standards; performs other duties as assigned Essential Functions: Animal Health - Companion Independently reverse engineer PiMS systems to extract and manipulate key data flows. Design and implement middleware that links PiMS UI events with backend payment systems. Develop secure orchestration logic between workstation agents and cloud/local services. Create reusable automation frameworks using tools like Playwright for web and UI tasks. Integrate with Payment Gateway APIs for full transaction lifecycles including tokenization and refunds. Collaborate with compliance teams to ensure PCI-aligned development practices.

Requirements

Bachelor's Degree Computer Science, Management Information Sciences, Mathematics, Engineering, or Business or equivalent education and/or experience
3 years programming experience required.
Should have prior experience within various platforms and languages, including: MS.NET, C#, and Object-Oriented Programming.
Knowledge of all aspects of application development and project life cycles, including Agile and Scrum practices
Excellent understanding of coding methods and best practices
Extensive relational database and operating systems experience
Fluency in object oriented programming and design
Ability to conduct research into software-related issues and products
Proficiency with office productivity tools such as Microsoft Excel, Word and PowerPoint
Must complete a basic OO programming exercise to our satisfaction prior to interview.
Knowledge of WCF, Web API, or ServiceStack
Knowledge of Microsoft UWP, XAML, WPF, .Net, Xamarin, and C#
Knowledge of MVVM
Knowledge of Agile and SCRUM practices
Knowledge of accounting principles.
Understanding of corporate governance, business cases and return on investment concepts
Fluent in at least one modern programming language (C#, Python, or JavaScript).
Comfortable reading SQL traces, inspecting HTTP traffic, and automating Windows UI elements.
Familiar with payment concepts like tokenization, chargebacks, settlement, merchant onboarding, and 3-DSecure.

Nice To Haves

Experience using source code management system GIT and SVN
Experience with Playwright, Selenium, or browser automation tools a plus.
Experience integrating with veterinary, dental, or medical PiMS systems.
Reverse engineering experience (Win32 APIs, packet inspection, system hooks).

Responsibilities

Collaborates with clients, developers and other team members in the conceptualization and development of new or existing software applications.
Assists in the definition, development, and documentation of software's business requirements, objectives, deliverables, and specifications on a project-by-project basis in collaboration with internal users and departments.
Helps research, identify, analyze, and fulfill requirements of all internal and external program users and stakeholders.
Writes programming scripts to enhance functionality and/or performance of company applications as directed.
Executes software testing on new and existing programs for the purposes of correcting errors and general debugging.
Participates in defining software development project plans, including scoping, scheduling, and implementation.
Performs program turnover to production support and customers upon completion of development, testing, and documentation.
Provides higher level support for incoming incident tickets from end users to resolve application and software issues.
Partners with other engineers in resolving problems with software products or company software systems.
Comply with Company and department policies and standards; performs other duties as assigned
Independently reverse engineer PiMS systems to extract and manipulate key data flows.
Design and implement middleware that links PiMS UI events with backend payment systems.
Develop secure orchestration logic between workstation agents and cloud/local services.
Create reusable automation frameworks using tools like Playwright for web and UI tasks.
Integrate with Payment Gateway APIs for full transaction lifecycles including tokenization and refunds.
Collaborate with compliance teams to ensure PCI-aligned development practices.