Integration Middleware Developer Remote - Harrisburg - SR International

    SR International
    SR International Harrisburg

    2 weeks ago

    Description

    Job Title: Integration & Middleware Developer (Remote)

    Job Code: CoP Client: Commonwealth of Pennsylvania – Pennsylvania Turnpike Commission (PTC), UBOS Work Type: Remote (Local PA preferred)

    Engagement Details

    Start Date: 02/02/2026

    Duration: Through 06/30/2026

    Respond By: 02/03/2026

    Rate:

    $70/hr W2

    $80/hr 1099/C2C

    Background Check: PATCH background check required

    Position Overview

    The Integration and Middleware Developer will design, develop, and optimize complex system integrations across SAP, Microsoft Dynamics 365, Azure cloud services, IVR systems, web portals, and mobile applications. This role supports high-volume, mission-critical tolling and customer service platforms, ensuring seamless system interoperability, scalability, performance, and security.

    Key Responsibilities

    Design and implement integrations across SAP S/4HANA, SAP BRIM, Microsoft Dynamics 365, Azure services, IVR, web portals, mobile apps, middleware, and document management systems

    Analyze and assess integration models and high-volume processing options

    Apply best practices for RESTful APIs and event-driven microservices architectures

    Identify opportunities to reduce data replication and streamline integrations

    Lead development and implementation of complex integration solutions supporting tolling systems

    Design and optimize IVR systems integrated with CRM and backend tolling platforms

    Collaborate with business stakeholders, analysts, developers, vendors, and project managers

    Optimize transaction speed, latency, reliability, and system performance

    Build middleware workflows for cloud telephony, IVR, web, and mobile platforms

    Implement encryption and data protection strategies for sensitive customer and payment data

    Implement observability using tools such as Prometheus, Grafana, and Azure Monitor

    Participate in code reviews and contribute to team knowledge sharing

    Produce comprehensive documentation including designs, diagrams, test plans, scripts, impact analysis, and best practices

    Adhere to Commission standards, policies, and procedures

    Required Experience & Qualifications

    8+ years of integration/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 expertise in RESTful API design and decentralized microservices architectures

    Minimum 2 implementation projects using event-driven microservices architecture

    Strong understanding of concurrency, memory management, and performance optimization in Go and .NET

    Hands-on experience with Podman, Docker, and Kubernetes

    Strong knowledge of Microsoft Azure (IaaS, PaaS, SaaS)

    Bachelor's degree in Computer Science, Engineering, or related field (Master's preferred)

    Desired Skills

    10+ years developing complex integrations in SAP, Microsoft Dynamics 365 CRM, and Azure

    Experience integrating SAP BRIM (Billing and Revenue Innovation Management)

    Experience with IVR systems (design, development, optimization), preferably in tolling or customer-facing environments

    Experience integrating with POS, eCommerce, CRM, and payment systems

    Familiarity with event-driven architectures (Kafka, Azure Event Hub)

    Experience with message queues (Kafka, RabbitMQ)

    Familiarity with monitoring tools (Prometheus, Grafana)

    Advanced certifications in Azure, Kubernetes, or integration platforms

    Engagement & Onsite Requirements

    Candidate location preferred within the Continental United States

    Role is remote; however, onsite presence is required as follows:

    1 week per month onsite at Commission facilities in Middletown, PA

    Mandatory onsite orientation (1 full day) to pick up equipment (equipment will not be shipped; travel not reimbursed)

    Possible onsite post-go-live support rotations (1–2 weeks) during six months following UBOS go-live

    In-person interviews or work sessions may be required

    Work Locations (When Onsite)

    Commission Central Administration Building – 700 S. Eisenhower Blvd, Middletown, PA

    Commission Turnpike Industrial Park – 2850 Turnpike Industrial Drive, Middletown, PA

    This is a remote position.

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