Senior COBOL Developer

Are you a Senior COBOL Developer who thrives outside traditional mainframe silos? Looking to apply your core legacy expertise within a modern open-systems ecosystem powered by Git, automated CI/CD, and API integrations?

At act digital , we are recruiting a Senior COBOL Developer to join a premier banking tech hub in Lisbon . This role is tailored for engineers who want to bridge mission-critical transactional business logic with modern distributed systems running on Unix/Linux environments .

What you will do

• Core Application Development: Develop, maintain, and modernize mission-critical business logic using COBOL hosted on Unix/Linux platforms (non-mainframe architecture).
• Modern Development Ecosystem: Work with Eclipse IDE, DBeaver, and GitLab for version control, code reviews, and automated build pipelines.
• Automation & Scripting: Write and maintain Bash scripts for batch process orchestration, environment automation, and data handling.
• API & System Interfacing: Design and consume APIs to interface transactional engines with distributed services and modern banking layers.
• Code Quality & Architecture: Drive best practices in software design, database interaction, and collaborative delivery alongside cross-functional engineering teams.

What we are looking for

• Technical Experience: Solid, proven track record as a Senior COBOL Developer .
• Target Architecture: Strong, hands-on experience running and optimizing COBOL on Unix / Linux operating systems (Open Systems COBOL, Micro Focus, GNU COBOL, etc. — not classic z/OS Mainframe ).
• Modern Tooling Stack: Familiarity with modern developer toolsets, including Eclipse, GitLab, DBeaver, and Bash scripting .
• Integration Skills: Working knowledge of APIs (REST/JSON or service-oriented interfaces).

Nice to have

• Hands-on experience or working exposure to Java (ideal for ongoing application modernization and microservices integration).
• Background in banking, payment processing, or financial services.

What we offer

• The rare opportunity to work with COBOL within a contemporary DevOps, Git-driven open-systems environment.
• Collaborative, people-first culture inside a certified Great Place to Work .
• Long-term stability supporting international enterprise banking platforms.

📩 Ready to combine deep legacy logic with modern open systems engineering? Apply directly or send me a message to discuss the details!

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