We are seeking a high-level Software Developer III to join the POS/Payments team. This role is primarily focused on backend development, contributing to both a major POS/Gas Code project and ongoing team initiatives. The ideal candidate will be highly self-sufficient, able to quickly understand complex systems, and deliver results with minimal oversight.

Key Requirements:

Must Have (Hands-on Experience):

• C#: 3+ years
• MS SQL: 1+ year
• CSS, HTML, JavaScript: 1+ year each

Nice to Have (Familiarity or Experience):

• Multithreaded Windows Services (.NET)
• Blazor (UI framework)
• MQTT / SignalR (real-time messaging protocols)
• SSIS
• Azure DevOps
• Windows Forms / WPF

Primary Responsibilities:

Product Development (90%)

• Design, develop, test, debug, and maintain backend systems based on established software development lifecycle standards.
• Modify and extend existing software using modern tech stacks and coding best practices.
• Collaborate with cross-functional teams to ensure code meets architectural and quality guidelines.
• Troubleshoot and resolve technical issues, analyze recurring problems, and provide long-term solutions.
• Maintain comprehensive documentation for codebases, troubleshooting procedures, and user support.

Training & Mentorship (5%)

• Engage in self-guided learning and training on new tools and systems.
• Mentor junior developers through code reviews, documentation, and knowledge sharing.

Communication & Documentation (5%)

• Provide clear and timely updates to managers and team members.
• Maintain detailed records of development tasks, time tracking, and project progress.

Position Requirements:

Education:

• Required: High school diploma or equivalent with formal training in programming languages.
• Preferred: Degree in MIS, Math, Computer Science, or related field.

Experience:

• Required: 5–8 years of software development experience in business applications.
• Preferred: 8+ years, with additional experience in system analysis.

Skills:

• Strong backend development expertise, especially in C# and MS SQL.
• Ability to manage multithreading, performance tuning, and scalable system design.
• Familiarity with POS systems and enterprise-level application architecture.
• Excellent problem-solving, communication, and organizational skills.

Work Environment & Expectations:

• Must be located in Tulsa and able to work onsite as required.
• Role may transition to hybrid/remote after 60–90 days.
• Must be adaptable to fast-paced work environments and shifting priorities.

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