> Markdown version of [/jobs/ext/1207388-it-senior-developer](https://www.wearedevelopers.com/jobs/ext/1207388-it-senior-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IT Senior Developer - **Company:** Stevens Transport - **Location:** Dallas, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Microsoft Excel, Application Programming Interfaces (APIs), IBM System I, Application Testing, Software Documentation, Databases, Data Transmissions, IBM DB2, Software Debugging, File Systems, IBM RPG (Programming Language), Python (Programming Language), Project Management Software, Open Database Connectivity, Standard Sql, Software Engineering, Software Systems, SQL Databases, Visual Studio Online, Web Services, Data Logging, File Transfer Protocol (FTP), Restful APIs - **Published:** July 8, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=32505eb14113b1f9 ## About the Role * Associates degree and extensive knowledge of AS/400 (iSeries) platform, including RPG I-IV, RPG Free, ILE, CL, and CLLE * Experience in application development, complex code development, application testing and component design * Subfiles and Display files * SQL and DB2 databases * Data Transmission (REST API, ODBC, DB2 Web Query, FTP/SFTP, data transfer to Excel/CSV, etc.) * XLS/CSV reports * Integrated File Systems * Project management * Demonstrated ability to communicate and convert needs into technical concepts * Strong analytical and problem-solving skills * Ability to handle multiple tasks in a fast-paced environment with rapidly changing priorities * Highly communicative and interpersonal Preferred Qualifications * Transportation industry experience * Experience with Python, Java, Web Services, APIs, VS Code SKILLS AND ABILITIES: * Developing * Coding * AS400 * RPGLE, RPG Free * RDi * SQL * DB2 * Trouble shooting * Design * Project Management Work Experience: 10+ years of AS400 development experience ## Description JOB SUMMARY: The IT Senior Developer is a senior level role responsible for the ongoing development and maintenance of RPG ILE applications running on an AS/400 platform. Working closely with other developers under the guidance of our IT Director, the purpose of this role is to add on to and/or build out software solutions that manage our daily business operations., * Designing, coding/developing and performing acceptance testing of all new and existing integrations written on the AS/400 system * Troubleshooting and resolving system issues, bugs, and other system defects * Creating technical and user documentation * Recording and logging asks in a project management software * Participating in code walkthroughs, testing, and migration * Efficiently managing projects and tasks that may have overlapping timelines * Participating in weekly programming meetings to work out specific development plans ## Related Videos - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Rest API Antipatterns](https://www.wearedevelopers.com/videos/100208-rest-api-antipatterns) - [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [You’re a great coder? That alone won’t get you far: The soft skills secret in IT success](https://www.wearedevelopers.com/videos/1076-you-re-a-great-coder-that-alone-won-t-get-you-far-the-soft-skills-secret-in-it-success) - [REST In Peace: Why LLMs Can't CRUD](https://www.wearedevelopers.com/videos/100272-rest-in-peace-why-llms-can-t-crud) ## Related Articles - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)