Contact Address

Rua Julieta Ferrão N.º 12 2º Piso, 202 1600–131 Lisboa, Portugal

Entrar em contacto Get in Touch

Tel.: +351 214 171 161
Fax: +351 214 177 610
(Chamada para a rede fixa nacional)(Call to the national fixed network)

Cobol Developer

# Think Data Be Smart #

About Us
: DataSmart is a Portuguese company, positioning itself as a consulting company of excellence, with over 20 years of existence. We are specialized in Technologies and Information Systems services, for the Portuguese and International markets. We pride ourselves on fostering a culture of involvement, experience, and excellence.

Join our team as a COBOL Developer (Hybrid – Lisbon)!

What You’ll Do:

  • Utilize advanced knowledge of DB2 for database management and operations;
  • Work with VSAM files, including ESDS, KSDS, Idcams, Icegener, Icetools, and DFSORT (join keys);
  • Develop and maintain COBOL programs for online applications (CICS);
  • Write and manage Job Control Language (JCL) scripts;
  • Perform test analysis and execution using debugging tools;
  • Apply transaction principles, including Commit, Rollback, and Savepoint;
  • Use TSO/ISPF and EOS for mainframe operations;
  • Provide support for nightly and weekend batch processing;
  • Utilize basic Excel skills for data analysis and reporting;
  • Knowledge in the area of transfers (SEPA and/or Swift) is valued.


  • Advanced knowledge and experience with DB2;
  • Proficiency in working with VSAM files and related tools such as ESDS, KSDS, Idcams, Icegener, Icetools, and DFSORT (join keys);
  • Proven experience in COBOL programming, particularly with online applications (CICS);
  • Strong understanding and usage of JCL;
  • Experience in test analysis and execution, including the use of debugging tools;
  • Familiarity with transaction principles (Commit, Rollback, Savepoint);
  • Experience with TSO/ISPF and EOS;
  • Availability to support night and weekend batch processes;
  • Basic knowledge of Excel;
  • Experience with SEPA and/or Swift transfers is a plus;
  • Fluent in Portuguese and English, both oral and written.

At DataSmart, you will have the opportunity to integrate into a solid company and participate in projects of high recognition, nationally and internationally, with an appealing technological environment and career progression.

Excellence in the way to the future!

Connect with Us:
Follow us on LinkedIn for updates on career opportunities, company news, and industry insights! For further details, visit us at

#JoinOurTeam #DataSmart #ThinkDataBeSmart #COBOLDeveloper #DB2 #VSAM #CICS #JCL #Mainframe #BatchProcessing #SEPA #Swift #Lisbon

Do you accept the challenge?
We are waiting for you!