COBOL Developer
The COBOL Developer designs, maintains and modernizes business-critical mainframe applications. Discover the role's missions, skills and career at T&S.
Mission
The COBOL Developer designs, develops, maintains, and modernizes business-critical applications built on mainframe environments. They play a key role in ensuring the stability, performance, and reliability of legacy systems that support essential business operations in sectors such as banking, insurance, finance, transportation, and public services.
Main Activities
- Analyze business and technical requirements.
- Develop, maintain, and enhance COBOL applications.
- Perform corrective, adaptive, and evolutionary maintenance on existing systems.
- Design and implement new functionalities within mainframe environments.
- Manage batch processing and transaction-based applications.
- Conduct testing, debugging, and performance optimization activities.
- Support production environments and troubleshoot operational incidents.
- Collaborate with business analysts, project teams, and infrastructure specialists to ensure system reliability and continuity.
Technical Skills
- COBOL programming.
- Mainframe environments (IBM z/OS).
- JCL (Job Control Language).
- CICS transaction processing.
- DB2 and relational databases.
- Batch processing and scheduling tools.
- Application maintenance and modernization.
- Software testing and debugging.
- Version control and development lifecycle practices.
- Understanding of enterprise business processes and legacy system architectures.
Soft Skills
- Strong analytical and problem-solving skills.
- Attention to detail and accuracy.
- Ability to work in complex legacy environments.
- Effective communication and stakeholder management.
- Teamwork and collaboration.
- Adaptability to modernization and transformation initiatives.
- Autonomy and organizational skills.
- Reliability and commitment to operational excellence.
- Career Opportunities
- CTA to the offer
Simple, fast, respectful
Our commitment — Every application receives a response and a transparent recruitment process.
An initial discussion to understand your background and career goals, and to introduce you to T&S.
An in-depth discussion about projects, your future team, and opportunities.
Assessment of your technical skills and a chance to connect with like-minded professionals.
Final mutual validation and job offer to join the adventure.
Real life at T&S
Beyond the technical work, it’s a human adventure. Seminars, hackathons, team get-togethers, or just coffee breaks: get a glimpse into our day-to-day life.
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