Workstate

On-demand US-based software engineering teams

COBOL Developer

Systems Software EngineeringConfirmed live in the last 24 hours

Full-timeNo salary listed

About the Job

Requirements

At least 4 years of professional COBOL development experience on IBM z/OS mainframes.
Strong SQL and data skills, especially DB2 for z/OS, including embedded SQL, query tuning, and data modeling.
Experience with JCL, TSO/ISPF, and batch processing.
Experience with VSAM, QSAM/sequential files, and GDGs.
Experience with mainframe utilities such as DFSORT/SYNCSORT and IDCAMS.
Experience with CICS.
Experience with legacy modernization, code conversion, or mainframe migration projects.
Experience with mainframe rehosting or emulation platforms such as Raincode or Micro Focus/Rocket Enterprise Server, or GCP.
Experience with source control and change management tools such as Git, Endevor, or ChangeMan.
Experience with data validation, reconciliation, and parallel-run testing.
B1-level (intermediate) or higher English proficiency, including the ability to read and write technical documentation and participate in team discussions in English.
Must reside in Colombia or Argentina and have the right to work in that country.

Responsibilities

Convert legacy RPG II programs into well-structured, maintainable COBOL on z/OS.
Analyze existing program logic, file layouts, and data flows to ensure converted code behaves equivalently.
Develop and maintain JCL, batch job streams, and related utilities.
Write and tune SQL (DB2 for z/OS) and work with VSAM and sequential datasets.
Participate in unit, regression, and parallel testing, including data validation and reconciliation between legacy and converted output.
Prepare code and data for rehosting on GCP with the Raincode compiler and runtime.
Document converted programs, data dependencies, and technical decisions.
Work with the client's technical and migration teams in an Agile setting.

COBOL Developer (z/OS) - LATAM Remote

Workstate · Colombia (Remote) · Contract · Posted 2026-10-06

Workplace: remote

Description

Workstate seeks a COBOL Developer to join our team for an 18-month modernization project! In this role, you will convert a legacy RPG II codebase to COBOL on IBM z/OS in preparation for a cloud migration to Google Cloud Platform using the Raincode mainframe rehosting platform. You will work as part of a larger conversion team. If you are a solid COBOL engineer who enjoys working with data and takes pride in accurate, well-tested code, you'll fit right in at Workstate.

This position is fully remote and available to people residing in Colombia or Argentina with the right to work in that country.

Requirements

The ideal candidate will have 4+ years of professional COBOL development experience on IBM z/OS mainframes. Beyond that, we're looking for some of the following skills, but not necessarily all:

Strong SQL and data skills, especially DB2 for z/OS (embedded SQL, query tuning, data modeling)
JCL, TSO/ISPF and batch processing
VSAM, QSAM/sequential files and GDGs
Mainframe utilities such as DFSORT/SYNCSORT and IDCAMS
CICS
Legacy modernization, code conversion or mainframe migration projects
Mainframe rehosting or emulation platforms (Raincode, Micro Focus/Rocket Enterprise Server) or GCP
Source control and change management tools (Git, Endevor, ChangeMan)
Data validation, reconciliation and parallel-run testing
B1 level (intermediate) or higher English: able to read and write technical documentation and take part in team discussions in English

You do not need RPG II experience. Engineers joining the project are trained on it.

Job Duties

Convert legacy RPG II programs into well-structured, maintainable COBOL on z/OS
Analyze existing program logic, file layouts and data flows to make sure the converted code behaves the same way
Develop and maintain JCL, batch job streams and related utilities
Write and tune SQL (DB2 for z/OS) and work with VSAM and sequential datasets
Take part in unit, regression and parallel testing, including data validation and reconciliation between legacy and converted output
Prepare code and data for rehosting on GCP with the Raincode compiler and runtime
Document converted programs, data dependencies and technical decisions
Work with the client's technical and migration teams in an Agile setting

Apply

Apply at Workstate

About the Company

Workstate

On-demand US-based software engineering teams

Workstate provides Team REV, a Teams as a Service model that gives organizations access to on-demand, U.S.-based software engineering teams to build and deliver mission-critical initiatives. The service pairs client vision with a structured team setup, ensuring consistency, cultural fit, and scalable delivery while controlling cost and deadlines. Unlike traditional consulting or staffing, Team REV emphasizes steady performance, low turnover, and reliable on-time, on-budget outcomes by deploying long-standing, experienced teams that can grow with the client's needs. The company’s goal is to help organizations grow and change through technology by providing dependable, future-focused software delivery teams that align with clients’ goals and operate in a predictable, transparent manner.

Company size: 51-200
Company stage: Not listed
Total funding: Not listed
Headquarters: Columbus, OH
Founded: 1997

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