App Dev & Support Engineer III

Through our dedicated associates, Conduent delivers mission-critical services and solutions on behalf of Fortune 100 companies and over 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.

App Developer and Support Engineer III

** About Conduent:*
* Through our dedicated associates, Conduent delivers mission-critical services and solutions on behalf of Fortune 100 companies and over 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.

** JOB DESCRIPTION*
* 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.

** _HYBRID POSITION- MUST BE ABLE TO TRAVEL TO SOMERSET, NJ OFFICE._*
* *
* Key Responsibilities:

*
* Core Development (C++, C#, Python)

_Develop and maintain applications using:_

+ C; for system-level and device interaction

+ C# (.NET) for application and API layers

+ Python 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

+ Serial Communication & Device Integration

_Implement and support serial communication (RS232, USB, COM) with:_

+ Payment terminals

+ Barcode scanners

+ Receipt printers

+ Cash drawers

+ Develop device drivers/interfaces and handle protocol-level communication

+ Ensure reliable message parsing, retries, and fault tolerance

+ API Development (RESTful Services)

+ 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

+ AI & Machine Learning Integration

+ Develop and integrate AI/ML models into POS workflows using Python

_Implement:_

+ Fraud detection and anomaly detection models

+ Transaction pattern analysis

+ Intelligent diagnostics and log analysis

+ Use Generative AI for:

+  Automated troubleshooting

+  Code generation and optimization

+  Smart documentation and knowledge systems

_System Integration & Testing_

+ 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

_Performance, Security & Compliance_

+ Ensure compliance with payment security standards (PCI-DSS awareness)*
* + Optimize systems for throughput, latency, and reliability

+ Implement robust logging, monitoring, and observability

** Required Qualifications*
* 1. Bachelor's degree in Computer Science, Engineering, or equivalent experience

2. 5+ years of software development experience

3. Strong proficiency in:

4. C++ (embedded/system-level programming)

5. C# (.NET)

6. Python (AI/automation/data processing)

7.

Experience with serial communication protocols

8. Strong understanding of REST API development

_Strong Python skills for:_

+ AI/ML model integration

+ Data processing and automation

+ Understanding of latency optimization and real-time constraints

_Experience with:_

+ Model deployment and inference pipelines

+ Anomaly detection and classification models

+ Familiarity with frameworks (preferred):

+ Tensor Flow / PyTorch / Scikit-learn

+ Experience integrating AI APIs (OpenAI, Azure AI, etc.)

_Real-Time Processing Skills_

+ Event-driven and streaming architectures

+ Multithreading and concurrency (C++/C#)

+ Async programming and performance tuning

** Preferred Qualifications*
* + Experience in POS, payments, or ticketing systems

+ Knowledge of payment…