01
TRPI-26-06848
Mainframe Developer
This is a permanent IBM Mainframe Developer role focused on designing, developing, enhancing, and maintaining business-critical enterprise applications, including batch and online transaction systems. The core requirements are hands-on COBOL, JCL, DB2/SQL, CICS, IBM mainframe with z/OS, VSAM, debugging, and unit and integration testing. The role also includes production support, troubleshooting, performance tuning, code reviews, and deployment activities; IBM utilities, TSO/ISPF, Endevor or Changeman, IBM MQ, modernization, CI/CD, and REXX are useful extras. The structured input calls for 10–12 years of experience and lists Hungary, Poland, Portugal, Romania, and Spain as locations. Work mode is not specified, and no industry or business domain is stated.
Position summary
- Location
- Hungary, Poland, Portugal, Romania, Spain
- Workplace
- Remote
- Employment
- Full Time
- Experience
- Minimum 10 years and Maximum 12 years
Role overview
Why This Role Matters.
This is a permanent IBM Mainframe Developer role focused on designing, developing, enhancing, and maintaining business-critical enterprise applications, including batch and online transaction systems. The core requirements are hands-on COBOL, JCL, DB2/SQL, CICS, IBM mainframe with z/OS, VSAM, debugging, and unit and integration testing. The role also includes production support, troubleshooting, performance tuning, code reviews, and deployment activities; IBM utilities, TSO/ISPF, Endevor or Changeman, IBM MQ, modernization, CI/CD, and REXX are useful extras. The structured input calls for 10–12 years of experience and lists Hungary, Poland, Portugal, Romania, and Spain as locations. Work mode is not specified, and no industry or business domain is stated.
Your Impact
Deliver Enterprise Value
Help organisations solve complex business problems through modern technology, consulting expertise and measurable outcomes.
Collaboration
Work Across Teams
Collaborate with consultants, architects, engineers and client stakeholders throughout the project lifecycle.
Growth
Learn Continuously
Gain exposure to enterprise technologies, certifications, mentoring and real-world project experience.
Career Path
Grow With Ubique
Build a long-term consulting career with opportunities to take on greater responsibility and leadership over time.
Responsibilities
What You'll Be Doing.
Every role at Ubique contributes directly to solving meaningful business challenges for our clients.
02
Write and maintain COBOL programs for business-critical applications.
03
Develop and manage JCL scripts for batch processing.
04
Work with DB2 databases, including SQL queries, stored procedures, and performance tuning.
05
Develop and support online transaction processing using CICS.
06
Analyse existing code, troubleshoot issues, and perform root cause analysis.
07
Handle production incidents, debugging, and application enhancements.
08
Participate in code reviews, unit testing, integration testing, and deployment activities.
09
Collaborate with business analysts, architects, QA teams, and other developers.
10
Ensure application performance, reliability, and compliance with enterprise standards.
Technology stack
Tools & Technologies.
The platforms and technologies you'll use to build modern, enterprise-grade solutions.
01
IBM Mainframe
Required
02
Mainframe
Required
03
z/OS
Required
04
COBOL
Required
05
JCL
Required
06
Job Control Language
Required
07
DB2
Required
08
IBM Db2
Required
09
SQL
Required
10
CICS
Required
11
VSAM
Required
12
Batch processing
Required
13
Online transaction processing
Required
14
TSO
Required
15
ISPF
Required
16
SORT
Required
17
IDCAMS
Required
18
IEBGENER
Required
19
Endevor
Required
20
Changeman
Required
Requirements
Skills & Experience.
We value curiosity, collaboration and continuous learning. If you don't meet every requirement but believe you can make an impact, we'd still love to hear from you.
Essential
Required Qualifications
COBOL
JCL (Job Control Language)
DB2 and SQL
CICS
IBM Mainframe
z/OS
VSAM
Debugging and abend analysis
Unit and integration testing
Preferred
Nice to Have
IBM Utilities (SORT, IDCAMS, IEBGENER)
TSO/ISPF
Endevor or Changeman
IBM Debug Tool
DB2 Stored Procedures
MQ Series / IBM MQ
Mainframe modernization
Git, Jenkins, and CI/CD
Agile / Scrum
REXX scripting
What you'll gain
More Than Just A Job.
We're committed to helping every team member grow professionally, personally and technically while working on meaningful projects.
Global Exposure
Collaborate with international clients and multicultural teams on enterprise programmes.
Continuous Learning
Expand your expertise through mentoring, certifications and hands-on project experience.
Career Growth
Take ownership, develop leadership skills and grow your consulting career over time.
Flexible Working
Hybrid and remote collaboration designed around trust and delivering exceptional outcomes.
People First
Join a supportive culture where collaboration, respect and long-term relationships come first.
Enterprise Projects
Work on meaningful technology initiatives for leading organisations across industries.
Apply
Apply for Mainframe Developer
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