> Markdown version of [/jobs/ext/593838-cobol-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/593838-cobol-mainframe-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). --- # COBOL Mainframe Developer - **Company:** Techstra Solutions - **Location:** Pittsburgh, PA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, IBM AIX, Customer Information Control System (CICS), COBOL (Programming Language), Code Review, Information Systems, IBM DB2, Relational Databases, Software Debugging, Payment Systems, Endevor, Job Control Language (JCL), Mainframes, Oracle (Applications), Performance Tuning, Release Management, Software Engineering, SQL Stored Procedures, SQL Databases, Virtual Storage Access Methods, Z/OS, Tso/ispf, Easytrieve, Api Design, Control M - **Published:** June 16, 2026 - **Apply:** http://jobs.techstrasolutions.com/apply/dNgG4F8qPK/COBOL-Mainframe-Developer ## About the Role * Bachelor's degree in Business, Information Systems, Finance, Healthcare Administration, or related field. * 10+ years of experience in mainframe application development * Strong proficiency in: + COBOL + CICS + DB2 (SQL, stored procedures, performance tuning) + Operating systems: IBM z/OS, AIX, Mainframe: COBOL, CICS, DB2, JCL, VSAM, TSO/ISPF, Easytrieve, Endevor , CA7, Control M, BMC AMI DevX Code Pipeline Relational databases: DB2, Oracle * Experience working in large-scale enterprise or banking environments * Solid understanding of batch and online processing frameworks * Proven ability to troubleshoot complex production issues * Strong communication skills with the ability to work across technical and business teams * Strong experience in COBOL development in a mainframe environment. * Hands-on experience with mainframe technologies and legacy enterprise systems. Proven ability to support and enhance mission-critical applications in a regulated or large-scale enterprise environment. * Strong analytical, troubleshooting, and problem-solving skills. * Ability to work effectively in a collaborative team setting while also operating independently when needed. * Excellent verbal and written communication skills for internal technical collaboration., * Banking domain expertise especially ACH/Payments domains. * Experience with Fiserv integrations * Familiarity with ZEOS Connect API development * Exposure to modernization efforts (e.g., API enablement, mainframe integration strategies) * Experience working in regulated financial environments * Support ACH solution engineering and mainframe application development efforts in a banking environment. * Design, enhance, maintain, and troubleshoot COBOL-based mainframe applications. ## Description We are seeking a highly experienced Senior COBOL Developer to join our technology team at a large retail bank. This role is primarily focused on hands-on development and enhancement of mission-critical mainframe applications supporting core banking operations. The ideal candidate brings deep expertise in COBOL, CICS, and DB2, along with a strong understanding of high-volume transactional systems. This individual will play a key role in modernizing and maintaining legacy systems while ensuring stability, performance, and regulatory compliance. This is a one-year contract-to-hire opportunity, with the intent to convert qualified candidates into full-time employees. Because this is a contract-to-hire role with permanent hiring goals, candidates requiring visa sponsorship or who are not eligible for permanent employment cannot be considered., * Design, develop, test, and maintain mainframe applications using COBOL, CICS, and DB2 * Support high-volume, mission-critical banking systems with a focus on performance and reliability * Analyze business and technical requirements to deliver scalable and efficient solutions * Perform code reviews, debugging, and performance tuning of existing applications * Collaborate with business analysts, architects, and cross-functional teams to translate requirements into technical solutions * Participate in release management, deployment activities, and production support as needed * Ensure adherence to enterprise standards, security protocols, and regulatory requirements * Document technical designs, processes, and system changes, * Work closely with technical teams and business stakeholders to support enterprise payment processing solutions. * Analyze existing legacy system functionality and implement enhancements or fixes as needed. Participate in code reviews, testing, debugging, and production support activities. * Assist in modernization and retirement-transition efforts as institutional knowledge is transitioned from legacy team members. * Collaborate with internal engineering and delivery teams to ensure stable, scalable, and compliant system solutions. * Contribute to future-state planning as additional retirement-driven openings become available. ## Related Videos - [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) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Migrating from COBOL with AI: A Moonshot Demo](https://www.wearedevelopers.com/videos/1531-migrating-from-cobol-with-ai-a-moonshot-demo) ## Related Articles - [Software Developer Salary in Austria [2023]](https://www.wearedevelopers.com/magazine/213-software-developer-salary-in-austria-2023) - [Navigating the Ups and Downs of the Tech Industry](https://www.wearedevelopers.com/magazine/531-navigating-the-ups-and-downs-of-the-tech-industry) - [The 10 C++ programming questions to expect in an interview](https://www.wearedevelopers.com/magazine/50-the-10-c-programming-questions-to-expect-in-an-interview) - [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [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)