Cobol / Mainframe Developer

Ampcus, Inc; Milwaukee (WI); On-site; USD 90,000 - 120,000; Full time

Job summary

A global consulting firm is seeking a Cobol / Mainframe Developer to join their team in Milwaukee, WI. The role requires substantial experience with Cobol programming and Mainframe systems, along with responsibilities such as backend logic handling and collaboration in design sessions. Ideal candidates will have a Bachelor's degree in related fields and at least 8 years of development experience, along with strong unit testing skills and familiarity with cloud processing. Excellent communication is essential for success in this position.

Qualifications

• 8 years of software development engineering experience.
• Working knowledge in Linux, UNIX & z/OS operating systems.
• Knowledge of batch processing in high-volume settings.
• Experience in decomposing and rewriting legacy processes.

Responsibilities

• Work within Card Management Systems as a Cobol / Mainframe Developer.
• Handle backend business logics.
• Collaborate in team design sessions.
• Provide on-call support as required.

Skills

Cobol Programming

Mainframe Development

JCL

Linux

UNIX

Financial Services experience

Strong unit testing skills

Event driven architecture knowledge

Microservice architectures

Cloud processing familiarity

Education

Bachelor's degree in Computer Science or equivalent

Tools

Eclipse

IntelliJ

Visual Studio Code

IBM Developer for z/OS

Job description

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 experience with Mainframe.
• Need a strong experience with Cobol Programming and JCL.
• Will be responsible for handling backend business logics.
• Experience with Payment Transactions or Debit Transactions area would be nice to have.
• Must need to have hands‑on coding experience.
• Previous Client experience 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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