What are the responsibilities and job description for the Integration and Middleware Developer position at Prorec Resource Solutions, LLC?
Engagement Type: Contract
Duration: 02/02/2026 - 06/30/2026
Work Location: Middletown, PA 17057
Work Arrangement: Remote until further notice with required onsite presence
Interview Type: In-person at Commission facilities in Middletown, PA
Residency Requirements: Continental United States preferred; must reach Middletown, PA within 3 hours if required
Visas Accepted: USC, GC, H1B, GC EAD
Enhanced Background Check Required: Yes
Overview
Our client is seeking an Integration and Middleware Developer to design, implement, and optimize complex enterprise integrations supporting a tolling environment. This role focuses on high-volume, mission-critical integrations across SAP, CRM, cloud, IVR, and middleware platforms while ensuring performance, reliability, security, and observability.
Key Responsibilities
Duration: 02/02/2026 - 06/30/2026
Work Location: Middletown, PA 17057
Work Arrangement: Remote until further notice with required onsite presence
Interview Type: In-person at Commission facilities in Middletown, PA
Residency Requirements: Continental United States preferred; must reach Middletown, PA within 3 hours if required
Visas Accepted: USC, GC, H1B, GC EAD
Enhanced Background Check Required: Yes
Overview
Our client is seeking an Integration and Middleware Developer to design, implement, and optimize complex enterprise integrations supporting a tolling environment. This role focuses on high-volume, mission-critical integrations across SAP, CRM, cloud, IVR, and middleware platforms while ensuring performance, reliability, security, and observability.
Key Responsibilities
- Connect enterprise systems including SAP S/4HANA, SAP BRIM, Dynamics 365 CRM, Azure services, cloud telephony, IVR, web portals, mobile apps, middleware platforms, document management systems, and external integrations.
- Analyze solution components and integration models to support scalable architectures.
- Assess and implement integration approaches for high-volume processing.
- Design and implement RESTful APIs and decentralized microservices using best practices.
- Identify opportunities to reduce data replication and simplify integration patterns.
- Lead complex solution design and implementation leveraging SAP, CRM, Azure, IVR, and external systems such as payment gateways and backend databases.
- Design and optimize IVR systems integrated with CRM and tolling backends.
- Optimize transaction performance, latency, and reliability and troubleshoot issues as they arise.
- Build middleware workflows supporting telephony, IVR, web, and mobile platforms.
- Apply encryption and data protection standards for sensitive customer and payment data.
- Implement observability using logging, monitoring, and tracing tools.
- Participate in code reviews and knowledge sharing activities.
- Produce full technical and functional documentation following Commission templates.
- Collaborate with business stakeholders, developers, vendors, and project managers.
- Work independently while adhering to all Commission standards, policies, and procedures.
- 8 years of integration or middleware development experience including 3 years in a senior or lead role.
- 7 years of backend development using .Net.
- 5 years of backend development using Python.
- 3 years of backend development using GoLang.
- Strong experience with RESTful API design and decentralized microservices.
- At least 2 projects using decentralized event-based microservices architecture.
- Strong understanding of concurrency, memory management, and performance optimization in Go and .Net.
- Hands-on experience with Podman and Kubernetes orchestration.
- Strong knowledge of Microsoft Azure IaaS, PaaS, and SaaS offerings.
- Bachelor's degree in Computer Science, Engineering, or related field; Master's preferred.
- 10 years building high-volume enterprise integrations across SAP, Dynamics 365 CRM, and Azure.
- Hands-on IVR design and optimization experience in customer-facing environments.
- Experience integrating SAP BRIM for subscription billing.
- Retail POS or eCommerce and CRM integration experience.
- Experience with event-driven architectures such as Kafka or Azure Event Hub.
- Experience with message queues including Kafka or RabbitMQ.
- Experience with monitoring tools such as Prometheus and Grafana.
- Advanced certifications in Azure, Kubernetes, or integration platforms.
- Onsite presence required one week per month at Commission facilities in Middletown, PA.
- Post go-live onsite support may require rotating 1 to 2 week onsite periods for up to six months after go-live.
- Orientation requires full-day onsite attendance to pick up Commission-issued equipment.
- Travel costs for orientation and equipment pickup are not reimbursed.
- If within 3 hours commuting distance, travel is included in the rate.
- Authorized travel must follow federal GSA reimbursement guidelines.
- Pennsylvania ePATCH criminal history check dated after SOW release.
- National Criminal Background Check required prior to start.
- Completion of onboarding documentation, Acceptable Use policy, access agreements, and NDA as applicable.