COBOL Developer

About the Position

🚀Senior COBOL Developer

Location: Poland (Remote)

Contract: Full-Time

Join the Future of Digital Tech with Kolomolo

At Kolomolo, we don’t just follow trends - we set them. As a global supplier of IT services and digital modernization solutions, we help businesses embrace cutting-edge technology to optimize their operations. Now, we are growing and looking for fresh talent to grow with us.

Are you proactive, tech-savvy, and eager to build your career in IT? This role could be your perfect fit.

Responsibilities

As a Senior COBOL Developer, you will play a pivotal role in ensuring the reliability, performance, and modernization of enterprise systems that support finance, operations, and transaction processing. Your responsibilities will include:

• Design, develop, and maintain COBOL applications for batch and online processes.
• Analyze business requirements and translate them into technical designs and flowcharts.
• Debug, troubleshoot, and resolve production incidents, including batch and online abends.
• Optimize system performance, scalability, and processing efficiency.
• Integrate COBOL systems with middleware, distributed systems, and modern platforms.
• Create and maintain high-quality technical documentation and design specifications.
• Support full SDLC processes, from analysis to deployment and testing.
• Collaborate with QA, Business Analysts, System Architects, and DevOps teams.
• Mentor junior developers, review code, and promote engineering best practices.

Requirements

• 5+ years of hands-on COBOL development experience in enterprise environments.
• Expertise in COBOL, JCL, CICS, DB2, VSAM, IMS, z/OS.
• Strong debugging experience resolving complex production issues.
• Experience designing and documenting large-scale systems.
• Ability to integrate COBOL systems with modern technologies.
• Excellent communication and collaboration skills.
• Passion for clean, maintainable code and system reliability.

Nice to Have

• Experience in finance, banking, insurance, or government systems.
• Knowledge of ITIL or service management practices.
• Exposure to modernization and cloud migration initiatives.
• Experience mentoring junior developers.

We Offer

At Kolomolo, we prioritize innovation, agility, and autonomy. Our teams have the freedom to own their work, share ideas, and make meaningful contributions. Inspired by Scandinavian values, we believe in work-life harmony and creating an inclusive culture where everyone thrives.

You will be part of a passionate, skilled, and friendly team that works hard and celebrates together. Here, you can build your career on your own terms, with opportunities to grow, learn, and make a real impact.

About the Company

Kolomolo is a leader in digital modernization, helping companies embrace the latest cutting-edge technologies to optimize their business with the help of our talented experts. Founded in 2016, we have about 100 co-workers and a turnover of 5M.

Ready for the next step? Apply now and start an exciting journey of growth and innovation with us!