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# Senior Integration & Applications Developer

- **Company:** Mid-America Overseas, Inc.
- **Location:** Itasca, IL, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** ASP.NET, JavaScript (Programming Language), .NET Framework, Application Programming Interfaces (APIs), XMLSpy, Application Integration Architecture, Application Services, Backup Devices, Cyber Security, Extract Transform Load (ETL), Data Mapping, Data Security, Software Debugging, Electronic Data Interchange (EDI), UN Electronic Data Interchange for Administration Commerce and Transport, JSON, Microsoft SQL Server, Performance Tuning, Software Engineering, SQL Stored Procedures, SQL Server Integration Services, Systems Integration, Transact-SQL, TypeScript, Web Applications, Extensible Markup Language (XML), Data Logging, File Transfer Protocol (FTP), Warehouse Management Systems, .NET Core, System Availability, Database Performance, Indexer, Deployment Automation, Web Technologies, Front End Software Development, Api Design, Restful APIs
- **Published:** November 9, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-integration-applications-developer-itasca-il--fe21c281-edc3-443f-a7eb-ba4bb19e1e81

## About the Role

Software Development, Application Integration, Logistics, Cross-Functional, Software Design, Software Development, Information/Data Security (InfoSec), Application Integration, EDIFACT (Electronic Data Interchange For Administration Commerce and Transport), Electronic Data Interchange (EDI), * Minimum 15 years professional experience in the logistics, transportation, or warehousing industry with hands-on technical roles.

 * Strong expertise in Microsoft SQL Server (T-SQL, performance tuning, indexing, backup/restore, SSIS or equivalent ETL).
 * Proven experience designing, implementing, and supporting EDI integrations (X12, EDIFACT, or industry-specific formats) across multiple partners.
 * Practical experience with Altova products (MapForce, XMLSpy, etc.) for data mapping and transformation.
 * Solid web application and API development skills (server-side frameworks such as .NET/.NET Core, and front-end JavaScript/TypeScript experience).
 * Familiarity with integration patterns, messaging (MQ, AS2, SFTP), and common transport methods for EDI/data exchange.
 * Strong problem-solving, documentation, and communication skills; ability to work with technical and non-technical stakeholders.
 * Located near Itasca, IL or willing to commute to the Itasca area (on-site).

Preferred / nice-to-have

 * Familiarity with XML, JSON schema design and validation.
 * Hands-on experience with Altova Server or other automated mapping deployment tools.
 * Background in TMS/WMS systems, EDI VANs, and specifically Cargowise

## Description

As the Senior Integration & Applications Developer you will design, build, support, and optimize integrations and internal applications that power our logistics operations. You'll work cross-functionally with operations, carriers, partners, and other IT teams to ensure reliable, secure, and maintainable data exchange and application services., * Lead design, development, deployment, and maintenance of EDI integrations (X12, EDIFACT, or equivalent) with carriers, brokers, suppliers, and customers.

 * Develop and optimize database schemas, stored procedures, views and ETL processes in Microsoft SQL Server to support operational and reporting needs.
 * Build, configure, and maintain Altova tools (MapForce, XMLSpy, StyleVision, or others) for XML/JSON/data mapping, transformation, and validation.
 * Create and maintain web-based applications and APIs using modern web technologies (e.g., .NET/.NET Core, ASP.NET, JavaScript/TypeScript, RESTful services).
 * Troubleshoot and resolve production integration and application issues, including debugging EDI transactions, mapping errors, and database performance problems.
 * Implement logging, monitoring, and alerting for integrations and services; ensure high availability and performance.
 * Work with stakeholders to translate requirements into technical specifications and robust solutions.
 * Share best practices, and contribute to architecture and process improvements.
 * Ensure compliance with security, data privacy, and industry standards (e.g., secure transport, encryption, access controls).