Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team.
Job Title: Cobol / Mainframe Developer
Location: Milwaukee, WI
Job Description:
This is for a Cobol / Mainframe Developer who would work within Card Management Systems.
- Must need to have an exp. with Mainframe.
- Need a strong exp. with Cobol Programming and JCL.
- Will be responsible for handling backend business logics.
- Exp. with Payment Transactions or Debit Transactions area would be nice to have.
- Must need to have hands-on coding exp.
- Previous Client exp. is a great to have.
Qualifications
- Bachelor's degree in Computer Science, Information Technology or equivalent experience.
- 8 years of software development engineering experience.
- Working knowledge in Linux, UNIX & z/OS operating systems.
- Proficient with Mainframe Development as well as modern Object-Oriented development.
- Need to be able to develop in both a legacy Mainframe TSO environment and also a modern server/container environment using common IDE's and development tools.
- Knowledge and experience in transformation/modernization of processing high volumes of data via Mainframe processing to scalable On-prem Distributed or Cloud processing via microservices and containers.
- Knowledge of the following: File Transmission (FTP/NDM) & batch processing in very high-volume settings is required.
- Knowledge of event driven architecture and common event processing models and platforms is desired.
- Experience in technical design writing and documentation.
- Work independently and collaborate in team design sessions.
- Strong unit testing skills.
- Flexibility to be on on-call support, as required.
- Excellent written and verbal communication skills.
- Experience in Financial Services industry.
- Experience in decomposing and rewriting legacy processes and systems into more modern infrastructures a plus.
- Familiarity in microservice architectures and containers (Kubernetes/K8s, OpenShift, Docker) a plus.
- Familiarity in processing in a cloud (Azure, AWS) environment a plus.
- Familiarity in Domain Driven Design a plus.
Technical Experience
- Linux, UNIX (AIX), z/OS
- Powershell, Bash/UNIX Scripting
- JAVA, J2EE, EJB, JavaBeans, JavaScript, servlets, JDBC, struts, JSR-352, Hibernate
- React, Angular, Vue, TypeScript, HTML, CSS, JavaScript, Vitest, Jest
- COBOL, CICS, MVS, JCL, VSAM, TSO/ISPF, FileAid, CA-EasyTrieve, Schedule tool (CA-7), Control-M, Abend-AID
- Eclipse, IntelliJ, Visual Studio Code, IBM Developer for z/OS
- JSON, AVRO, XML, XPath
- SOAP & Restful API's
- WLP, WebSphere, Open Liberty, Quarkus, Spring Boot/Batch
- Kafka, RabbitMQ, MQ Series
- DB2, SQL, MS Access, Yugabyte
- FTP/SFTP, NDM
Ampcus is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veterans or individuals with disabilities.
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Ampcus, Inc
Oct 25, 2025