Mainframe Developer

Mainframe Developer

Chester Full-Time 36000 - 60000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Develop and maintain mainframe applications using IBM DB2, COBOL, IMS, and z/OS.
  • Company: Ascendion is a global leader in AI-powered software engineering with over 11,000 employees.
  • Benefits: Enjoy a hybrid work model, career growth opportunities, and a dynamic, innovative culture.
  • Why this job: Join a forward-thinking team that values creativity and offers impactful projects in tech.
  • Qualifications: Experience with IBM DB2, COBOL, IMS, z/OS, and strong problem-solving skills required.
  • Other info: This is a full-time role with a focus on Wholesale Banking, especially Payments and Accounting.

The predicted salary is between 36000 - 60000 £ per year.

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

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 EngineeringAIâ„¢ 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!

Mainframe Developer employer: Ascendion

At Ascendion, we pride ourselves on being an exceptional employer, offering a vibrant work culture that fosters innovation and collaboration. As a Mainframe Developer in our New Jersey headquarters, you'll benefit from cutting-edge AI-driven solutions, ample career growth opportunities, and a supportive environment that values your contributions. Join our dynamic team of over 11,000 Ascenders and be part of a company that is not only redefining software engineering but also committed to your professional development and success.
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Contact Detail:

Ascendion Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Mainframe Developer

✨Tip Number 1

Familiarise yourself with the latest trends in mainframe technology, especially around IBM DB2, COBOL, IMS, and z/OS. This knowledge will not only help you during interviews but also demonstrate your commitment to staying updated in a rapidly evolving field.

✨Tip Number 2

Network with professionals already working in the banking sector, particularly those involved in payments and accounting. Engaging with them can provide insights into the specific challenges they face and how your skills can address those needs.

✨Tip Number 3

Prepare for potential technical assessments by practising coding problems related to COBOL and database management. Being able to showcase your problem-solving skills in real-time can set you apart from other candidates.

✨Tip Number 4

Highlight your soft skills, such as flexibility and results orientation, during conversations with recruiters. These traits are highly valued at Ascendion and can make a significant difference in how you are perceived as a candidate.

We think you need these skills to ace Mainframe Developer

IBM DB2
COBOL
IMS
z/OS
Problem-Solving Skills
Change Management
Understanding of Wholesale Banking
Payments Processing
Accounting Principles
Adaptability
Enthusiasm
Results-Oriented Mindset
Collaboration Skills
Agility in Software Development

Some tips for your application 🫡

Highlight Relevant Skills: Make sure to emphasise your experience with IBM DB2, COBOL, IMS, and z/OS in your CV and cover letter. Use specific examples of projects or tasks where you applied these skills, particularly in the context of Wholesale Banking.

Showcase Problem-Solving Abilities: Include instances where you've successfully solved complex problems or managed changes in a project. This could be through a brief description of challenges faced and how you overcame them, demonstrating your analytical and critical thinking skills.

Express Enthusiasm and Flexibility: In your application, convey your enthusiasm for the role and the company. Mention your adaptability and willingness to work in a hybrid environment, as well as your commitment to achieving results in a dynamic culture.

Tailor Your Application: Customise your CV and cover letter to align with Ascendion's values and the job description. Research the company’s culture and incorporate relevant keywords from the job listing to show that you understand their mission and vision.

How to prepare for a job interview at Ascendion

✨Showcase Your Technical Skills

Make sure to highlight your hands-on experience with IBM DB2, COBOL, IMS, and z/OS during the interview. Prepare specific examples of projects where you successfully utilised these technologies, as this will demonstrate your expertise and relevance to the role.

✨Understand the Banking Sector

Since the role focuses on Wholesale Banking, particularly in Payments and Accounting, brush up on industry-specific knowledge. Be ready to discuss how your skills can contribute to improving processes in these areas, showing that you understand the business context.

✨Demonstrate Problem-Solving Abilities

Ascendion values strong problem-solving skills. Prepare to discuss past challenges you've faced in your projects and how you approached them. Use the STAR method (Situation, Task, Action, Result) to structure your responses effectively.

✨Emphasise Soft Skills

In addition to technical skills, Ascendion looks for enthusiastic, flexible, and results-oriented candidates. Be prepared to share examples of how you've worked collaboratively in teams, adapted to change, and driven results in previous roles.

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