C# POS & Integrations Engineer (Onsite — Plano)

Ziosk; United States; On-site; USD 90,000 - 120,000; Full time

Job summary

Ziosk is seeking a mid-level C# Application Developer to join our POS & Integrations team on-site in Plano, TX. You will build and maintain software powering real-time payment processing, third‑party integrations, and the core POS experience across restaurant locations nationwide.

You will leverage AI-assisted tooling to accelerate coding, debugging, and integration work, helping the team ship faster and more reliably in a fast-paced environment. Strong attention to detail is a must.

Qualifications

• 3–5 years of professional software development experience.
• Proficiency in C# application development (.NET framework or .NET Core).
• Experience building and consuming RESTful APIs.
• Hands-on experience using AI-assisted development tools as part of day-to-day engineering work.
• Familiarity with Agile/Scrum development processes and version control (Git).
• Strong attention to detail and ability to manage priorities in a fast-paced environment.
• Bachelor’s degree in Software Engineering, Computer Science, or equivalent practical experience.

Responsibilities

• Develop and maintain C# applications powering Ziosk’s POS, payments, and loyalty platforms.
• Build and integrate with third‑party APIs including payment processors, loyalty providers, and restaurant management systems.
• Contribute to core POS interface development, ensuring a seamless payment experience for millions of restaurant guests.
• Use AI‑assisted development tools as part of daily engineering workflow to accelerate development and reduce repetitive coding tasks.
• Identify recurring integration patterns and contribute to AI‑assisted automation to reduce manual debugging and integration effort.
• Participate in Agile/Scrum ceremonies, sprint planning, and peer code reviews.
• Collaborate with cross‑functional teams including QA, product, and infrastructure to deliver reliable, scalable software.
• Share knowledge of application development best practices and AI tooling usage across the engineering team.

Skills

C# development

RESTful APIs

Agile/Scrum

AI-assisted development

Attention to detail

Education

Bachelor’s degree in Software Engineering or Computer Science

Tools

Git

GitHub Copilot

LLM-based code assist

Cursor

Claude-Code

CI/CD pipelines

Job description

Ziosk is seeking a mid-level C# Application Developer to join our POS & Integrations team on-site in Plano, TX. You will build and maintain software powering real-time payment processing, third‑party integrations, and the core POS experience across restaurant locations nationwide.

You will leverage AI-assisted tooling to accelerate coding, debugging, and integration work, helping the team ship faster and more reliably in a fast-paced environment. Strong attention to detail is a must.