Cobol Training

Learning Cobol is tough. Practicing it is even harder. That’s why I created this training.

I have designed a course that covers all the requirements to help you become a confident mainframe developer.

Practice makes perfect

The Only Training That Includes Mainframe Access

Everything you need to master Cobol and the mainframe ecosystem. All in one place.

With Mainframe Access

Practice on a real mainframe, just like in the enterprise world.

100% Video Training

Learn at your own pace with clear, step-by-step video lessons

Lifetime Access

Come back anytime. All course updates are included, forever.

Who am I?

Kévin Lhuillier

💼 Cobol Developer   – 📍 Lille, France

I’m a mainframe developer with 10+ years of experience. My goal is to get you up and running quickly with a pragmatic, hands-on approach.

10+ years of experience

50+ Trained students

What is included

Learn Cobol the way it’s used in companies

Cobol programming from scratch

DB2 for database operations

CICS for transactional systems

JCL to manage jobs

VSAM, TSO, and ISPF for working on mainframe systems

Self-paced training

Follow the course anytime, at your own pace

Inside, you will learn step by step, even the concepts that many Cobol developers working today don’t fully master.

Join our Community

Your are not alone

I’ll be here to help you and answer your questions whenever you need. You’ll also join a friendly community of learners where you can share and ask for help.

Project

You will code a banking application

You will be asked to build a banking application to put your knowledge of COBOL, CICS, DB2, and JCL into practice.

The Learning Path

Learn Step By Step

Master the Mainframe, one module at a time.

step 1

Getting Started

Learn how to navigate and edit files in the mainframe environment using TSO and the ISPF interface.

step 2

Hello World

Write, compile, and run your very first COBOL program on a real mainframe.

step 3

Cobol Basics

Master the fundamentals: data types, variables, control structures, and procedural logic.

step 4

JCL Basics

Discover Job Control Language basics to run COBOL programs and manage batch jobs.

step 5

Files and Libraries

Understand datasets, partitioned libraries (PDS), sequential files, and how Cobol uses them.

step 6

Cobol Advanced

Go deeper: work with arrays, strings, decimals, computational data types, copybooks and subprograms.

step 7

DB2 with Cobol

Learn how COBOL interacts with relational databases using embedded SQL and DB2 essentials.

step 8

JCL Advanced

Advance your JCL skills: procedures, conditional execution, and advanced parameters

step 9

CICS Programming

Start working with online transaction processing: screens, programs, and CICS commands.

step 10

Project - Banking App

Put everything into practice by developing a complete banking application, just like in the real world.

soon

Working with VSAM

Create and manipulate VSAM datasets, key for high-performance data access on the mainframe.

soon

Managing GDG Files

Work with Generation Data Groups to handle versioned datasets and automate workflows.

Pricing

One-Time Payment. Lifetime Value.

To make sure every student gets quality support, I open only 10 new seats each month. If the spots are already taken, you can join the waiting list—this way you’ll be notified as soon as new seats become available.

You can request a free trial that includes partial access to the course along with 7 days of mainframe access.

Request Free Trial

199 299

Cobol Developer Training

Full training - 100% video-based

Quizzes, exercises, and a final project

Lifetime access & free course updates

3 months of Mainframe Access

Personalized feedback on exercises

Access to our Community

14-day money-back guarantee

Students Testimonials

What Our Students Say

Trusted by learners from all around the world.

The course is good especially because you have the possibility to do your exercises in real time on the mainframe. Kevin helped me every time I encountered problems in performing the exercises.

Gabriel S.

From Romania

As a developer switching to mainframe, this course gave me exactly what I needed. Highly recommended.

Michael T.

From USA

For now the content is excellent! I am waiting for the rest of the modules to be available.

Rahul M.

From India

Very well-structured. Mix of theory and practice makes learning easy.

Rajesh P.

From India

I would highly recommend this training to anyone looking to start or grow their career in mainframe development.

Carlos P Mendez

From Spain

The instructor explained complex concepts like JCL, DB2, and CICS in a clear and practical way.

Priya S.

From India

Cobol Training

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