Workstate
Workstate
51 – 200 Angajați
ConsultanțăMarketingSaaS
Workstate oferă echipe flexibile de inginerie software prin modelul său „Echipe ca serviciu”. Compania formează și ajustează dimensiunea și expertiza echipelor pentru a răspunde nevoilor în schimbare ale proiectelor pe parcursul ciclului de viață al dezvoltării software, deservind agenții federale, de stat și locale, instituții de învățământ superior, companii și organizații nonprofit. Fondată în 2003, Workstate are peste două decenii de experiență în furnizarea de echipe tehnologice pentru inițiative software din sectorul public și din cadrul organizațiilor.

Senior COBOL Developer (IBM z/OS) – Remote in Colombia

Modernize RPG II applications by converting them to COBOL on IBM z/OS. Support Google Cloud rehosting with Raincode while validating mainframe workloads and data.

Descriere

  • Convert RPG II applications into maintainable COBOL programs for IBM z/OS
  • Review program behavior, file structures, and data flows to preserve functional equivalence
  • Build and support JCL, batch workflows, and associated mainframe utilities
  • Develop and optimize DB2 for z/OS SQL while handling VSAM and sequential datasets
  • Execute unit, regression, parallel-run, reconciliation, and data-validation testing
  • Prepare application code and datasets for GCP rehosting through the Raincode compiler and runtime
  • Record program conversions, data relationships, and key technical decisions
  • Coordinate with client engineering and migration teams within an Agile delivery process

Cerințe

  • At least six years of professional COBOL development on IBM z/OS mainframes
  • Advanced SQL and data expertise, including DB2 for z/OS embedded SQL, query optimization, and data modeling
  • Practical experience with JCL, TSO/ISPF, and batch processing
  • Working knowledge of VSAM, QSAM or sequential files, and GDGs
  • Familiarity with mainframe utilities including DFSORT or SYNCSORT and IDCAMS
  • Experience with CICS
  • Background in legacy modernization, code conversion, or mainframe migration initiatives
  • Experience using mainframe rehosting or emulation platforms such as Raincode or Micro Focus/Rocket Enterprise Server, or working with GCP
  • Experience with source-control and change-management tools such as Git, Endevor, or ChangeMan
  • Experience performing data validation, reconciliation, and parallel-run testing
  • B2 or higher English proficiency, with effective written and spoken communication in professional contexts
  • RPG II or another IBM midrange language is helpful but not mandatory

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