Middleware Integration Engineers / Payments Developers (IBM ACE & ACH Focus)

About the role

Location: Charlotte, NC (Hybrid). Openings: 2 total positions. Project duration: ASAP – March 27, 2027 (high likelihood of extensions). Employment terms: No C2C, no third parties, no 1099, no referrals. Project overview: Profile Deposits & Payments Transition – Our client is undertaking a critical enterprise system transition involving Profile Deposits and core Payments infrastructure. Data and transactions from the existing Profile platform are being migrated and integrated into a new enterprise architecture. This environment includes a high volume of complex upstream and downstream interfaces requiring advanced data transformation, contextual conversion, and API-led integration. We are seeking 2 Middleware Integration Engineers to support this transition—focusing on IBM App Connect Enterprise (ACE) integrations alongside Payments / ACH application workflows.

Responsibilities

• Design, develop, and maintain high-performance integration flows using IBM App Connect Enterprise (ACE).
• Support middleware development and transaction logic focused on core Payments & Deposits (specifically ACH processing) applications.
• Execute complex data transformations to support the migration from the legacy Profile platform to the new architecture.
• Transition legacy file-based transfers into modern, secure RESTful APIs.
• Integrate and process datasets using Kafka for real-time asynchronous data flows.
• Write and optimize PL/SQL queries to retrieve, transform, and validate data integrity during conversion.
• Support deployments and maintain middleware nodes within an OpenShift environment.
• Develop and maintain Unix/Linux shell scripts for operational support and pipeline automation.

Requirements

• Hands-on development experience with IBM App Connect Enterprise (ACE).
• Direct experience working with Payments and Deposits, specifically ACH (Automated Clearing House) processing applications.
• Experience working within containerized OpenShift environments.
• Solid hands-on experience with Kafka message streaming and integration.
• Strong SQL / PL-SQL development skills for data extraction, transformation, and validation.
• Experience building and consuming RESTful APIs and writing Unix/Linux shell scripts.

Pay

$60.00 – $70.00 / hour (Strictly W2 Only)

Benefits

• Medical and prescription drug plans
• Dental plan
• Vision plan
• Health Savings Account
• Health Flexible Spending Account
• Dependent Care Flexible Spending Account
• Supplemental Life Insurance
• Short Term and Long Term Disability Insurance
• Business Travel Insurance
• 401(k), plus match
• Weekly pay