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Software Engineer II - Gateway

FreedomPay

Salary not specified
Oct 27, 2025
• NJ, United States of America • GA, United States of America • MI, United States of America • MN, United States of America • SC, United States of America • TX, United States of America • VA, United States of America • New York, NY, United States of America • London, England, United Kingdom • KY, United States of America • FL, United States of America • DE, United States of America
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FreedomPay is seeking a Software Engineer II to join their Payments Gateway product team, focusing on solving complex problems, building new product lines, and expanding existing products and services within their global commerce platform.

Requirements

  • 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
  • Ability to develop, and integrate to, REST based API interfaces for high volume transaction processing

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.

Other

  • Minimum 3 years of professional experience as a Software Developer or Engineer working with Microsoft C.NET
  • Proven commitment to industry best practices in source code control, architecture, coding standards, and unit/system testing
  • Experience working in Agile/Scrum/Kanban frameworks
  • Strong problem-solving skills and communication (listening, speaking, writing in English)
  • After-hours support for any production issue escalation as needed, in an on-call rotational basis to provide after-hours support