> Markdown version of [/jobs/ext/1311038-mainframe-developer-remote](https://www.wearedevelopers.com/jobs/ext/1311038-mainframe-developer-remote). 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 Developer - Remote - **Company:** Conquest Consulting - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), Software Applications, User Authentication, Microsoft Azure, Batch Processing, Customer Information Control System (CICS), COBOL (Programming Language), Databases, Data Structures, IBM DB2, Relational Databases, Software Debugging, Enterprise Architecture Framework, Electronic Data Interchange (EDI), Job Control Language (JCL), Identity and Access Management, JSON, Lightweight Directory Access Protocols (LDAP), Microsoft Visio, OpenID, Systems Development Life Cycle, Security Assertion Markup Language (SAML), Simple Object Access Protocol (SOAP), Software Engineering, Data Streaming, Extensible Markup Language (XML), Scripting, Okta, Backend, Restful APIs, Web Api - **Published:** July 17, 2026 - **Apply:** https://www.dice.com/job-detail/14ea837f-7cb4-46c0-ba42-49a741e90868 ## About the Role 8 Advanced proficiency in writing, testing, and debugging COBOL, Natural, and JCL applications within a large-scale mainframe environment. 8 Hands-on experience analyzing, modifying, and optimizing DB2 tables, schemas, and relational databases to integrate new data structures into existing systems. 8 Knowledge of scripting and batch processing in legacy and current technology to modify online user screens (CICS/Map environments), runtime routines, and complex background batch processing jobs. 8 Knowledge of Web API Development, including SOAP, REST, XML, and JSON, REST, with specific experience mapping and parsing external web-service data streams into legacy mainframe backend processing. 8 Experience implementing secure user authentication and authorization protocols using enterprise frameworks such as LDAP, SAML, or OIDC. 8 Experienced in analyzing existing legacy routines and batch processing workflows to integrate new functional elements and modify underlying DB2 database tables. 8 Knowledge of the Software Development Life Cycle (SDLC) principles, practices and techniques of application programming and software design. 8 Ability to accurately test software applications using a data driven development approach. 8 Skill in solving problems; in scheduling, testing, installing, and implementing programs; and in troubleshooting computer software systems. 8 Expertise in analyzing undocumented or highly customized legacy code routines to perform precise gap analysis and impact mapping. Preferred Qualifications: Years Skills/Experience Vendor Comment (as applicable) 2 Prior experience specifically implementing or maintaining NASWA SIDES (State Information Data Exchange System) exchanges and technical specifications. 3 Strong functional knowledge of UI program workflows, specifically involving Additional Fact-Finding (ADF), Determinations and Decisions (DD), Monetary/Potential Charges (MPC), and Benefit Charges (BC). 2 SDLC tools Visio, ALM Octane 3 Experience handling and securing sensitive Personally Identifiable Information (PII) within a state or federal agency framework. 3 Experience with automating identity management services to include user authentication and authorization using an authentication framework, using Azure, Okta, LDAP, Entra ## Related Videos - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Delegating the chores of authenticating users to Keycloak](https://www.wearedevelopers.com/videos/1558-delegating-the-chores-of-authenticating-users-to-keycloak) ## Related Articles - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story)