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Software Engineer II - Gateway

Freedompay

Philadelphia, PA/ Las Vegas, NV Hybrid permanent

Posted: October 27, 2025

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Quick Summary

Software Engineer II - Gateway: Develops and maintains software applications for the FreedomPay Commerce Platform, ensuring high performance and security in a complex global environment.

Job Description

The FreedomPay Commerce Platform is the technology of choice for many of the largest companies across the globe in retail, hospitality, lodging, gaming, sports and entertainment, foodservice, education, healthcare and financial services. FreedomPay’s technology has been purposely built to deliver rock solid performance in the highly complex environment of global commerce. The company maintains a world-class security environment and was first to earn the coveted validation by the PCI Security Standards Council against Point-to-Point Encryption with EMV standard in North America. FreedomPay’s robust solutions across payments, security, identity and data analytics are available in-store, online and on-mobile and are supported by rapid API adoption. The award winning FreedomPay Commerce Platform operates on a single, unified technology stack across multiple continents allowing enterprises to deliver a consistent, repeatable experience on a global scale. FreedomPay is a fast paced, high growth company with a great culture with competitive benefits and compensation with a business casual atmosphere.

We are currently seeking a highly qualified Software Engineer II with specific experience in the Microsoft .NET stack with a focus on our Payments Gateway product known as Freeway. This is a full-time salaried position. You will join a team of world-class software engineers that are focused on solving complex problems, building new product lines, and expanding FreedomPay’s existing products and services. Qualified candidates will be proficient in the development of high performing n-tier solutions with transaction handling and complex secure system integrations. You will leverage various frameworks, patterns, and tools. You will have shared accountability for the quality of the solution and ensure seamless integration and implementation.


Job Responsibilities :
• Develop well-structured, thoroughly commented software solutions to deliver complex integrations and solve technical challenges in support of FreedomPay’s Commerce Platform.
• Maintain and enhance solutions, ensuring reliability, security and scalability.
• Conduct comprehensive unit and system testing to ensure software quality.
• Participate in scrum teams to create user stories, estimate tasks, and deliver on release timelines.
• Adhere to and help define technical standards, coding practices, tools, and platforms; contribute to the creation of reusable application frameworks and libraries.
• Work closely with the Quality Engineers to ensure robust test plans, coverage, execution, and timely defect resolution.
• Design, build, and improve applications and services in a collaborative Agile environment, delivering seamless user experiences across platforms.
• Partner with architects, product owners, and quality assurance engineers to align technical solutions with user needs and business objectives.
• Contribute to coding standards, shared libraries, and continuous process improvements, fostering a culture of excellence and innovation.
• Maintain technical documentation and develop expertise in FreedomPay products and the payments industry, promoting knowledge sharing and consistency across the team.
• Perform additional related tasks as assigned.
• After-hours support for any production issue escalation as needed, in an on-call rotational basis to provide after-hours support
• Occasional U.S. travel as needed


Required Background and Experience:
• Minimum 3 years of professional experience as a Software Developer or Engineer working with Microsoft C#.NET
• Demonstrated ability to design, build, and maintain multi-threaded, high-throughput, transactional processing software
• Proven commitment to industry best practices in source code control, architecture, coding standards, and unit/system testing
• Experience working in Agile/Scrum/Kanban frameworks
• Understanding of, and ability to explain and describe the full application lifecycle design methodology
• Familiarity with Git and standard development workflows
• Strong problem-solving skills and communication (listening, speaking, writing in English)
• Knowledge of data security, encryption, compliance, data privacy, and relevant laws
• Proficiency in MS Office and Lucid Chart
• Demonstrated abstract thinking skills and a track record of innovative solutions
• Exposure to Agile software development practices and collaborative team workflows
• Strong problem-solving skills and outstanding English communication (listening, speaking, writing)
• Bachelor’s degree or higher; or equivalent demonstrated experience with software development


Required Technical Skills :
• Experience with the Microsoft language and technical ecosystem, including, but not limited to .NET 4.6.2+ and Visual Studio 2019+
• Proficiency in C# and object-oriented design/programming
• Building multi-threaded, high-throughput, transactional processing software
• Understanding of current network hardware, protocols, and standards—including TCP/IP socket programming, HTTP/HTTPS, SSH, and SSL
• Experience working with Windows Servers/Services
• Experience working with a component library to build consistent, reusable UI elements
• Understanding of Financial Industry Standard Specifications, including but not limited to ISO8583 and ISO20022.
• Ability to develop, and integrate to, REST based API interfaces for high volume transaction processing


Preferred Technical Skills and Experience:
• Prior experience in Payments Transaction Processing Industry
• Understanding of compliance guidelines (PCI, SOX, GDPR, etc)
• Experience with React-based frameworks (Next.js, Gatsby, React Native)
• Experience with non-React UI libraries (Vue, Angular)
• Experience with non-Redux state management libraries (MobX, Zustand, NgRx)
• Familiarity with Microsoft Azure cloud services (Functions, Blob Storage, Queues, Service Bus, Cosmos DB) and DevOps tools (Azure DevOps, Octopus)
• Experience with multiple programming languages (Java/Kotlin, C, C++)
• SQL and SQLite proficiency
• Virtualization (VirtualBox, VMWare)
• Cloud platforms (Docker, Azure, AWS, GCP)


As the fastest growing commerce company in the industry, we offer the opportunity for tremendous upward mobility within the company as well as development and professional growth opportunities. FreedomPay's fulltime roles provide exceptional benefits including medical, prescription, dental and vision coverage, Life Insurance, Retirement Plans with company match, commission sharing plan, flexible hybrid working environment, and great parental and other leave programs. All positions must be able to successfully pass a background check as well as a credit check.

FreedomPay is an Equal Opportunity Employer, including Disability/Veterans. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

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