Senior .NET Azure Integration Developer

Integration DeveloperWe are seeking an experienced Integration Developer to design, develop, deploy, and support enterprise integration solutions for the Journi platform. The ideal candidate will have strong hands-on expertise in Microsoft .NET, C#, Azure cloud technologies, enterprise APIs, middleware, and complex system integrations. The role involves integrating SAP, Microsoft Dynamics 365 CRM, Azure cloud services, Interactive Voice Response (IVR) systems, and external applications to deliver secure, scalable, and high-performance solutions. Experience with tolling systems, payment gateways, traffic management systems, and high-volume transaction processing is highly desirable. This position is primarily remote, but the selected candidate must be available for scheduled onsite meetings, orientation, implementation activities, and post-go-live support at the Pennsylvania Turnpike Commission facilities in Middletown, Pennsylvania.Key ResponsibilitiesDesign, develop, deploy, maintain, and support enterprise integration solutions using Microsoft.NET, C#, Azure cloud technologies, and middleware systems.Analyze application components, integration models, and system dependencies to determine appropriate integration approaches.Assess integration options for high-volume processing and optimize system performance, scalability, and reliability.Develop and maintain RESTful APIs, microservices, custom middleware components, and reusable integration frameworks.Design and implement integrations between SAP, Microsoft Dynamics 365 CRM, Azure services, IVR systems, databases, payment gateways, traffic management systems, and other external applications.Build and maintain Azure Functions using Service Bus, timer, and Blob Storage triggers.Implement and manage Azure Service Bus queues, topics, subscriptions, sessions, and dead-letter queues.Develop secure data exchange solutions, including JSON/XML payload transformation, validation, mapping, and error handling.Follow enterprise API standards, clean coding principles, SOLID design patterns, and secure software development practices.Design, develop, and optimize IVR integrations to improve customer interactions and operational efficiency.Identify opportunities to reduce unnecessary data replication, streamline data flows, and improve integration architecture.Support cloud-hosted applications and integration services across Azure infrastructure and platform services.Troubleshoot integration issues, conduct root-cause analysis, and implement corrective and preventive measures.Collaborate with technical teams, business stakeholders, and project leadership to deliver solutions aligned with business and project requirements.Prepare and maintain technical and functional designs, architecture diagrams, test plans, test scripts, impact analysis reports, lessons learned, and other required project documentation.Ensure all technical documentation follows the client's prescribed formats and templates.Comply with all applicable client standards, policies, procedures, IT requirements, and security guidelines.Support implementation, go-live, and post-go-live activities, including onsite support when required.Required QualificationsBachelor's degree in Computer Science, Engineering, Information Systems, or a related technical field.At least 8 years of experience as a developer or in a similar software engineering role.Strong hands-on experience with Microsoft Azure cloud services and enterprise integration solutions.Experience developing applications and integration services using C#,.NET, and ASP.NET Core Web API.Experience designing and implementing RESTful APIs, microservices, and middleware components.Strong understanding of Azure cloud offerings, including Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).Experience integrating enterprise applications with external systems and databases.Strong understanding of API security, data transformation, validation, error handling, and integration design patterns.Excellent analytical, troubleshooting, communication, and technical documentation skills.Ability to work independently in a remote environment and collaborate effectively with distributed teams.Willingness to travel to Middletown, PA, for scheduled onsite activities.Preferred Technical Skills10+ years of experience developing complex enterprise system integrations in high-volume environments.Strong experience with SAP, Microsoft Dynamics 365 Customer Relationship Management (CRM), and Microsoft Azure.Proficiency with .NET 8+ or currently supported .NET Long-Term Support (LTS) versions.Experience developing ASP.NET Core Web APIs and reusable software components.Hands-on experience with Azure Functions and event-driven integration architectures.Strong experience with Azure Service Bus, including queues, topics, subscriptions, sessions, and dead-letter queues.Experience with JSON/XML data transformation, schema validation, and data mapping.Experience with document storage and retrieval solutions and cloud-hosted applications.Hands-on experience designing, developing, and optimizing IVR systems.Familiarity with tolling industry systems, toll collection platforms, traffic management systems, payment processing, and associated regulatory requirements.Experience supporting complex enterprise implementations and production go-live activities.EducationBachelor's degree in Computer Science, Engineering, Information Systems, or a related field.A master's degree is preferred.The client documentation also references a bachelor's degree in Business Management or Information Systems under its certification and education section.Work Arrangement and Travel RequirementsThe position is primarily remote.Candidates residing within the continental United States are preferred.The selected candidate must attend onsite meetings at the Pennsylvania Turnpike Commission facilities in Middletown, PA, as scheduled by the client.The client documentation specifies approximately one week onsite per month, based on the Commission's schedule.Onsite locations include:Central Administration Building, 700 South Eisenhower Boulevard, Middletown, PA.Turnpike Industrial Park, 2850 Turnpike Industrial Drive, Middletown, PA.The candidate must attend an onsite orientation session and collect assigned equipment in person. Equipment will not be shipped or collected by another individual.Additional onsite attendance may be required for stakeholder meetings, implementation activities, system issues, and post-go-live support.Post-go-live support may include rotating onsite assignments lasting one to two weeks at a time during the six-month period following the Journi platform going live with active customers.Travel expenses for in-person interviews and initial orientation are not reimbursed.Candidates residing within a three-hour commuting distance of the Middletown facilities should be aware that the stated rate is inclusive of travel costs, with no additional travel compensation permitted.Authorized travel expenses must comply with applicable GSA guidelines and client expense policies, including submission of receipts and expenses within the prescribed timeframe.Interview Process Initial InterviewConducted via Microsoft Teams video.Candidates must keep their cameras on throughout the interview.Candidates must participate independently without assistance from AI tools, scripts, other individuals, or external prompts.Candidates must use their laptop's built-in camera, screen, speakers, and microphone.External monitors, headphones, earbuds, microphones, speakers, and other external audio/video devices are not permitted.Candidates may be asked to show their surroundings via webcam or share their entire screen.Subsequent InterviewsAdditional interviews or work sessions may be conducted in person at an approved client facility in Middletown, PA, at the Commission's discretion.Travel expenses for in-person interviews will not be reimbursed.Background Checks and Onboarding The selected candidate must complete the client's onboarding requirements, which may include:Consultant onboarding documentation and required forms.Pennsylvania Access to Criminal History (ePATCH) record check certification.National criminal background check.Signed technology acceptable-use and access agreements.Non-disclosure agreement (NDA), where applicable.Current professional photograph and contact information.Compliance with the client's IT standards, security policies, and equipment-return requirements.Please allow approximately 5–7 business days for onboarding, subject to completion of all required documentation and background checks. Additional RequirementsComply with all