Senior Software Developer

Location: Harrisburg, PA
Position Type: Hybrid
Hybrid Schedule: Remote and onsite as needed
Contract Length: 9 months + extension

The Integration Developer is responsible for designing, developing, and maintaining scalable backend systems and integrations that connect SAP S/4HANA, BRIM, Microsoft Dynamics 365, Azure cloud services, IVR, web portals, mobile apps, middleware, and other enterprise systems to ensure seamless, high-performance operations. This role provides technical leadership, drives best practices in .Net, GoLang, APIs, microservices, and cloud-native architectures, and ensures compliance with tolling industry standards, PCI DSS, and other regulatory requirements.

Required Skills:

• 8+ Years experience as a Senior developer or similar role.

• 8+ Years expert in integrating SAP, Microsoft Dynamics, Azure cloud, IVR systems, and external systems, specifically in high-volume contact center projects.

• 5+ Years experience in Payment Processing Applications development and maintenance, including newer digital payment methods on projects of various sizes and subject matters.

• 3+ Years backend development experience using GoLang.

• 3+ Years backend development experience using .Net.

• Strong understanding of RESTful API design and decentralized microservices architecture.

• Experience with containerization tools (Docker, Kubernetes).

• Familiarity with cloud platforms (AWS, GCP, or Azure).

• Proficiency with ADO, Git, and version control workflows.

• Solid understanding of concurrency, memory management, and performance optimization in Go and .Net.

• Proficient in Microsoft Office 365 suite, including Teams, Word, Excel, and PowerPoint, plus proficiency in Microsoft ADO Testing Module.

• Experience in designing and implementing integrations with external systems in the context of tolling projects (e.g., toll collection, traffic management).

Duties:

• Connect multiple systems, applications, and technologies, including SAP, Microsoft Dynamics, Azure, IVR, web/mobile apps, middleware, and document storage solutions, ensuring seamless performance.

• Design, develop, and maintain backend services using .Net and Go (Golang).

• Build and optimize APIs, microservices, and cloud-native distributed systems.

• Collaborate with cross-functional teams to maintain CI/CD pipelines and containerized deployments (Docker, Kubernetes).

• Write clean, maintainable, and well-tested code.

• Participate in code reviews and contribute to team knowledge sharing.

• Stay current with .Net and GoLang best practices and emerging technologies.

• Design and develop scalable technical architectures for tolling projects, integrating payment gateways, backend databases, and traffic management systems.

• Provide hands-on technical leadership and mentorship to development teams.

• Utilize deep knowledge of Microsoft Azure (government and commercial) and SAP BRIM to architect compliant solutions.

• Identify technical risks and propose mitigation strategies.

• Collaborate with stakeholders to translate requirements into robust digital payment solutions.

• Ensure system scalability, reliability, and compliance with industry standards.

• Evaluate and recommend payment platforms, APIs, and third-party services.

• Implement security measures for data protection, encryption, and fraud prevention.

• Ensure compliance with PCI DSS, SOX, SOC2/3, CSA, HIPAA, ISO 27001, and other regulations.

• Optimize transaction processing speed, latency, and reliability; monitor system performance and troubleshoot issues.

• Lead and participate in project team activities for enterprise systems.

• Analyze solution components and integration models for high-volume processing.

• Identify opportunities to reduce data replication and enhance integration efficiency.

• Act as a continuous improvement agent for technical integrations, data flows, and performance optimization.

• Develop and maintain productive working relationships with technology staff, business owners, vendors, and key clients.

• Fully document all work, including technical/functional designs, test plans, impact analyses, lessons learned, and best practices.

• Work independently to accomplish assigned tasks.

• Adhere to organizational standards, policies, and procedures.

• Perform additional tasks as assigned.