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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Natural/COBOL Developer - **Company:** HIREBLAZER LLC - **Location:** Austin, TX, United States (Remote available) - **Experience:** Expert - **Contract:** Temporary to permanent - **Skills:** Testing (Software), Java (Programming Language), Software Applications, User Authentication, Microsoft Azure, Batch Processing, Customer Information Control System (CICS), COBOL (Programming Language), Databases, Data Integration, Data Structures, IBM DB2, Relational Databases, Software Debugging, Enterprise Architecture Framework, Electronic Data Interchange (EDI), Job Control Language (JCL), Identity and Access Management, Systems Analysis, 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, Web Services, Extensible Markup Language (XML), Scripting, Okta, Backend, Restful APIs, Web Api - **Published:** July 12, 2026 - **Apply:** https://www.careerjet.com/jobad/us959b973d973e776bb4f5ae9348bc615c ## About the Role * 8 Years of Advanced proficiency in writing, testing, and debugging COBOL, Natural, and JCL applications within a large-scale mainframe environment. * 8 Years of Hands-on experience analyzing, modifying, and optimizing DB2 tables, schemas, and relational databases to integrate new data structures into existing systems. * 8 Years of 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 Years of 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 Years of Experience implementing secure user authentication and authorization protocols using enterprise frameworks such as LDAP, SAML, or OIDC. * 8 Years of Experienced in analyzing existing legacy routines and batch processing workflows to integrate new functional elements and modify underlying DB2 database tables. * 8 Years of Knowledge of the Software Development Life Cycle (SDLC) principles, practices and techniques of application programming and software design * 8 Years of Ability to accurately test software applications using a data driven development approach * 8 Years of Skill in solving problems; in scheduling, testing, installing, and implementing programs; and in troubleshooting computer software systems * 8 Years of Expertise in analyzing undocumented or highly customized legacy code routines to perform precise gap analysis and impact mapping., * 2 Years of Prior experience specifically implementing or maintaining NASWA SIDES (State Information Data Exchange System) exchanges and technical specifications. * 3 Years of 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 Years of SDLC tools Visio, ALM Octane * 3 Years of Experience handling and securing sensitive Personally Identifiable Information (PII) within a state or federal agency framework. * 3 Years of Experience with automating identity management services to include user authentication and authorization using an authentication framework, using Azure, Okta, LDAP, Entra ## Description Summary: The client has issued a request for a Natural/COBOL Developer to support their NAWSA SIDES (National Association of State Workforce Agencies State Information Data Exchange System) initiatives. The work is centered on systems analysis, COBOL/Natural/JCL development, DB2 changes, batch job updates, screen modifications, web-service data integration, testing, and troubleshooting across the client's legacy core processing environment. An ideal candidate has deep mainframe development experience, can analyze and modify heavily customized legacy routines, understands batch and online processing in a large-scale environment, and has enough SIDES or unemployment insurance workflow knowledge to handle exchange-specific analysis across ADF, DD, MPC, and BC. ## 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) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Delegating the chores of authenticating users to Keycloak](https://www.wearedevelopers.com/videos/1558-delegating-the-chores-of-authenticating-users-to-keycloak) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [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) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)