At BairesDev®, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley.

Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works remotely on roles that drive significant impact worldwide.

When you apply for this position, you're taking the first step in a process that goes beyond the ordinary. We aim to align your passions and skills with our vacancies, setting you on a path to exceptional career development and success.

As a Senior COBOL Developer, you will maintain and modernize mission-critical applications on IBM mainframes. You will connect legacy business logic with modern operational requirements, ensuring the stability and efficiency of high-volume processing systems in sectors like banking and insurance.

What You'll Do

- Design, develop, and maintain complex COBOL programs for both batch and online mainframe environments.
- Optimize mainframe application performance using CICS, DB2, and VSAM to handle large-scale data transactions.
- Analyze and troubleshoot existing legacy codebases to resolve production issues, job failures, and system abends.
- Modernize legacy systems by developing interfaces, data feeds, and integration processes with newer technologies.




- Develop and manage JCL jobs to automate and streamline mainframe batch processing workflows.
- Produce comprehensive technical documentation, including program specifications and job flow diagrams, to ensure system maintainability.

What We Are Looking For

- 4+ years of experience in Software Engineering with a focus on COBOL development.
- Proven expertise in maintaining and modernizing COBOL applications on IBM mainframes.
- Proficiency in working with CICS, DB2, and JCL in mainframe environments.
- Deep understanding of VSAM and both batch and online processing.
- Strong background in mainframe system architectures within banking, insurance, or government sectors.
- Advanced proficiency in English.

How we do make your work (and your life) easier:
- 100% remote work (from anywhere).
- Excellent compensation in USD or your local currency if preferred
- Hardware and software setup for you to work from home.
- Flexible hours: create your own schedule.
- Paid parental leaves, vacations, and national holidays.
- Innovative and multicultural work environment: collaborate and learn from the global Top 1% of talent.
- Supportive environment with mentorship, promotions, skill development, and diverse growth opportunities.

Join a general team where your unique talents can truly thrive and make a significant impact! Apply now!

📌 Senior COBOL Developer - Remote Work (Colombia)
🏢 BairesDev
📍 Colombia