Mainframe Developer (Chester)

We are seeking a skilled Mainframe Developer with strong experience in IBM DB2 , COBOL , IMS , and z/OS . The ideal candidate should have a solid understanding of Wholesale Banking , particularly in Payments and Accounting .

Full-time role with Ascendion

Hybrid - 3 days onsite

Key Skills:

• Hands-on experience with IBM DB2 , COBOL , IMS , z/OS
• Strong problem-solving and change management abilities
• Enthusiastic, flexible, and results-oriented

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At Ascendion, we are redefining software engineering with AI-powered innovation. With a global footprint serving 400+ clients, we specialize in cloud, data, experience design, and workforce transformation solutions.

Join our team of 11,000+ Ascenders worldwide, thriving in a bold, dynamic culture that fuels creativity and impact. Our proprietary EngineeringAI™ approach unlocks business value, accelerates growth, and transforms industries.

Why Ascendion?

✅ Cutting-edge AI-driven engineering solutions

✅ A culture of innovation, agility, and collaboration

✅ Career growth with global impact

Headquartered in New Jersey , we combine scale, speed, and ingenuity to engineer what’s next. Ready to elevate your career? Let’s build the future together!