20 de Outubro de 2026

Senior Mainframe Developer – French & English Bilingual

ITDS Portugal

  • Localidade Portugal - Lisboa
  • Contrato Contrato sem termo, Prestação de Serviços
  • Modelo de trabalho Híbrido
  • Referência 10153
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Unleash the power of mainframe innovation — drive digital transformation at the forefront of enterprise IT!

Lisbon-based opportunity with hybrid work model.

As a Senior Mainframe Developer, you will be working for our client, a leading player in the IT industry committed to delivering cutting-edge technological solutions. In this role, you will help shape the future of mainframe systems, ensuring seamless performance and integration in complex enterprise environments. Join a team where your expertise will fuel innovation and accelerate career growth.

Your main responsibilities:

  • Lead the development and maintenance of high-performance mainframe applications to meet organizational needs.
  • Collaborate with cross-functional teams to design and implement scalable solutions.
  • Optimize existing systems for efficiency, reliability, and security.
  • Conduct code reviews and mentor junior developers to uphold coding standards.
  • Troubleshoot and resolve critical system issues promptly.
  • Document technical specifications and system configurations thoroughly.
  • Stay ahead of industry trends to recommend innovative improvements.

You're ideal for this role if you have:

  • 8+ years of experience in mainframe application development or related fields.
  • Strong proficiency in mainframe programming languages and tools.
  • Excellent command of English at B2 level or above.
  • Fluent in French (B2 level) with strong verbal and written communication skills.
  • Demonstrated ability to work in a hybrid environment with flexible remote days.

It is a strong plus if you have:

  • Certifications in mainframe technologies or relevant project management credentials.
  • Experience working in agile or DevOps environments.

Language required for the role:

  • English (Communicative level)
  • French (B2 level or higher)

Eligibility to work on this role:

  • Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER

Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.



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