IIB / IBM ACE Integration Developer

Fulfillment IQ • Fort Worth, TX

4d • Hybrid

About The Position

We're seeking a skilled IIB / IBM ACE Integration Developer to join our growing tech team. In this role, you'll be responsible for designing, developing, and configuring integration flows within IBM App Connect Enterprise (ACE) using Data Format Description Language (DFDL) for complex data parsing and serialization. You'll be the bridge between business systems, customers, and trading partners while building and managing EDI, API, and application integrations. If you're a fan of seamless data flow, love a challenge, and thrive in a collaborative environment, let's talk.

Requirements

• 5–8 years of hands-on experience with IBM Integration Bus (IIB) and IBM App Connect Enterprise (ACE) v11/v12 middleware development (both required; Mulesoft experience welcomed as equivalent adjacent background).
• Proven experience writing and maintaining complex DFDL schemas, utilizing regular expressions, and handling multi-format messages or variable-length records.
• Proficient in using the IBM ACE Toolkit for DFDL schema generation, testing, and debugging.
• Strong understanding of ESQL, mapping nodes, XML Schema (XSD), and standard messaging protocols (MQ, HTTP, REST, SOAP).
• Proficiency in EDI standards (X12, EDIFACT, CSV, XML, JSON).
• Strong knowledge of data transformation, routing, scripting, and communication protocols (FTP/SFTP, AS2, HTTP/S, etc.).
• Strong problem-solving, communication, and documentation skills.

Nice To Haves

• Mulesoft experience welcomed as equivalent adjacent background.
• Experience with industry messaging standards (EDI, SWIFT, HL7) is a big plus.
• Familiarity with ERP systems (SAP, Oracle, NetSuite) is a big plus.
• Understands performance tuning, CI/CD automation, Cloud Pak for Integration (CP4I), containerization, and advanced ESQL memory management.
• Comfortable with ESQL/Java/Mapping.
• Understands Shared Libraries and basic troubleshooting via user traces.
• Knows how to use server.conf.yaml.
• Experience building integrations with Oracle Transportation Management, Oracle CPQ, or any other Transportation Management System.

Responsibilities

• IIB / IBM ACE / MuleSoft Integration Experience
• Hands-on experience with IIB / IBM ACE / Mulesoft Integration
• Designing, building, and deploying EDI workflows, maps, and transformations
• DFDL Schema Design
• Create, test, and optimize DFDL models to map and parse non-standard, custom text, CSV, fixed-width, and legacy binary file formats
• Write and maintain complex DFDL schemas using regular expressions and handle multi-format messages or variable-length records
• Build message flows that utilize DFDL to convert unstructured or proprietary data formats into standard XML or JSON structures, and vice-versa
• Legacy System Integration
• Connect modern applications with legacy mainframes and backend systems
• Process complex industry-specific messages (EDI, SWIFT, HL7) via DFDL
• EDI Standards & Protocols
• Proficiency in EDI formats: X12, EDIFACT, TRADACOMS, etc.
• Understanding of communication protocols: AS2, FTP/SFTP, HTTP/S, VANs
• Data Formats
• Experience working with XML, JSON, CSV, Flat Files
• Integration Development
• Strong skills in data transformation, routing, scripting
• Debugging, monitoring, and error handling of integration flows
• Problem Solving & Troubleshooting
• Root-cause analysis for integration failures, including DFDL parser and IBM ACE runtime issues
• Debug data parsing issues, schema validation errors, and performance bottlenecks
• Timely resolution of production issues
• Documentation & Collaboration
• Clear documentation of workflows, mappings, and processes
• Collaboration with clients, business analysts, and development teams

Benefits

• Comprehensive health insurance plans for you and your family.
• Generous paid time off (PTO), sick leave, and paid public holidays.
• Dedicated learning and development budget to support your career growth.
• Flexible work hours and remote work options.
• Business and client travel reimbursement, internet and workstation reimbursements, anniversary rewards, and employee stock options (ESOP).
• Participation in team events and in-person organizational meetups.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed