App Dev & Support Engineer III

Through our dedicated associates, Conduent delivers mission‑critical services and solutions on behalf of Fortune 100 companies and more than 500 governments, creating exceptional outcomes for our clients and the millions of people who count on them. You have an opportunity to personally thrive, make a difference, and be part of a culture where individuality is noticed and valued every day.

Conduent is a trusted partner to large enterprises and government entities, delivering high‑quality services that enable clients to realize measurable performance gains.

We are seeking a highly skilled developer to design and support software for Point of Sale (POS) terminals, focusing on C, C#, Python, serial communication, REST APIs, and AI‑driven real time processing. This role involves building low‑latency, highly reliable systems that integrate with payment hardware, backend services, and AI models for intelligent decision‑making.

• Develop and maintain applications using C for system‑level and device interaction
• Implement C# (.NET) applications and API layers
• Write Python scripts for AI integration, automation, and data processing
• Build scalable, high‑performance POS software systems
• Optimize code for low‑latency and real‑time execution
• Debug and resolve complex production issues

• Implement and support serial communication (RS232, USB, COM) with payment terminals, barcode scanners, receipt printers, and cash drawers
• Develop device drivers/interfaces and handle protocol‑level communication
• Ensure reliable message parsing, retries, and fault tolerance

• Design and implement secure, scalable REST APIs
• Enable seamless communication between POS devices and backend systems
• Implement authentication, encryption, and validation mechanisms
• Optimize APIs for real‑time transaction processing

• Develop and integrate AI/ML models into POS workflows using Python
• Implement fraud detection, anomaly detection, and transaction pattern analysis models
• Use Generative AI for automated troubleshooting, code generation and optimization, and smart documentation

• Integrate with payment gateways, ticketing systems, and enterprise platforms
• Develop simulation tools for hardware testing
• Perform unit, integration, and end‑to‑end testing
• Support field deployments and production troubleshooting

• Ensure compliance with payment security standards (PCI‑DSS awareness)
• Optimize systems for throughput, latency, and reliability
• Implement robust logging, monitoring, and observability

• Bachelor’s degree in Computer Science, Engineering, or equivalent experience
• 5+ years of software development experience
• Strong proficiency in C++ (embedded/system‑level programming)
• Strong proficiency in C# (.NET)
• Strong proficiency in Python (AI/automation/data processing)
• Experience with serial communication protocols
• Strong understanding of REST API development
• Strong Python skills for AI/ML model integration, data processing and automation, and real‑time constraint optimization
• Experience with model deployment and inference pipelines
• Experience with anomaly detection and classification models
• Familiarity with Tensor Flow, PyTorch, or scikit‑learn frameworks
• Experience integrating AI APIs (OpenAI, Azure AI, etc.)
• Event‑driven and streaming architectures experience
• Multithreading, concurrency, async programming, and performance tuning

• Experience in POS, payments, or ticketing systems
• Knowledge of payment standards (EMV, ISO 8583)
• CI/CD tools (Jenkins, Git Hub Actions)
• Familiarity with AWS or Azure
• Strong debugging and troubleshooting across hardware/software boundaries
• Real‑time system design and optimization
• AI‑driven development mindset
• Strong communication and collaboration skills
• Embedded systems or IoT experience (nice to have)
• Edge AI deployments experience

• Health & Welfare Benefits –…