> Markdown version of [/jobs/ext/2034302-mainframe-modernization-developer](https://www.wearedevelopers.com/jobs/ext/2034302-mainframe-modernization-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). --- # Mainframe Modernization Developer - **Company:** Computer Task Group, Inc - **Location:** Beaverton, OR, United States - **Contract:** Temporary contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Unix, Customer Information Control System (CICS), Software as a Service, COBOL (Programming Language), Computer Literacy, IBM DB2, DevOps, Rexx (Programming Language), IBM Websphere Application Server, JSON, Network Security, Mainframes, IBM Resource Access Control Facility, SAS (Software), Systems Integration, File Transfer Protocol (FTP), Cloud Platform System, Kubernetes, Microservices - **Published:** August 12, 2026 - **Apply:** https://dejobs.org/x/x/850725070472449D83C414B6C3A1FC28/job/ ## About the Role An Application Developer with Mainframe Modernization expertise is well-versed in the fundamental concepts and technologies related to both mainframe systems and modernization. They possess the ability to develop codes for both in-place mainframe modernization and migration of mainframe applications to cloud platforms, including z-cloud. This skillset encompasses support for mainframe migration to other cloud environments. The developer is proficient in various technologies, such as COBOL systems, Java, JSON, API, Microservices, SaaS, Edge, Off-premises applications, network security, Kubernetes, DevOps, Db2, CICS, WebSphere, and MQ., * Batch Job & Scheduling Expertise - Troubleshooting abends, managing Stonebranch UAC scheduling, and coordinating SFTP file transfers to ensure smooth batch operations. * System Integration & Code Promotion - Strong hands-on experience with RACF, Unix/NAS connectivity, and RTC-based code promotion plus dataset manipulation to connect dev and infra workflows. * Legacy Technology Proficiency - Deep knowledge of COBOL, CICS, Assembler, SAS, and REXX to support, troubleshoot, and modernize business-critical mainframe applications. Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required. ## Related Videos - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Coffee with Developers - Robby Russell](https://www.wearedevelopers.com/videos/917-coffee-with-developers-robby-russell) - [Application Modernization and Rabbits](https://www.wearedevelopers.com/videos/120-application-modernization-and-rabbits) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers) - [Now is the time for industrialized software development](https://www.wearedevelopers.com/magazine/601-now-is-the-time-for-industrialized-software-development) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)