**Experienced Full Stack Mainframe Application Developer – Web & Cloud Application Development**

Posted 2026-05-06
Remote, USA Full-time Immediate Start

Join arenaflex, a leading provider of innovative technology solutions, as we seek an experienced Full Stack Mainframe Application Developer to join our dynamic team. As a key member of our development team, you will be responsible for designing, coding, testing, and debugging mainframe applications using COBOL, JCL, DB2, and CICS. If you have a passion for mainframe application development and a desire to work in a collaborative and innovative environment, we encourage you to apply for this exciting opportunity.

  • *About arenaflex**

arenaflex is a cutting-edge technology company that specializes in providing innovative solutions to complex business problems. With a strong focus on customer satisfaction and employee growth, we strive to create a work environment that is both challenging and rewarding. Our team of experts is dedicated to delivering high-quality solutions that meet the evolving needs of our clients. As a Full Stack Mainframe Application Developer at arenaflex, you will have the opportunity to work on a wide range of projects, from developing and maintaining financial transaction processing systems to conducting system analysis and performance tuning.

  • *Key Responsibilities**

As a Full Stack Mainframe Application Developer at arenaflex, your key responsibilities will include:

  • Design, code, test, and debug mainframe applications using COBOL, JCL, DB2, and CICS
  • Develop and maintain financial transaction processing systems, ensuring accuracy and compliance
  • Conduct system analysis and performance tuning to enhance efficiency
  • Ensure adherence to financial regulations and data security policies
  • Provide technical support, resolve system issues, and implement enhancements
  • Maintain system documentation and assist in training junior developers
  • *Essential Qualifications**

To be successful in this role, you will need to possess the following essential qualifications:

  • Bachelor's degree in Computer Science, Information Technology, or a related field
  • Minimum 5 years of experience in mainframe application development using COBOL, JCL, DB2, and CICS
  • Strong understanding of mainframe architecture and system design
  • Experience with financial transaction processing systems and data security policies
  • Excellent problem-solving and analytical skills
  • Strong communication and collaboration skills
  • Ability to work in a fast-paced environment and meet deadlines
  • *Preferred Qualifications**

While not essential, the following qualifications would be highly desirable:

  • Master's degree in Computer Science, Information Technology, or a related field
  • Experience with cloud-based technologies and web development
  • Knowledge of agile development methodologies and version control systems
  • Certification in mainframe application development or data security
  • Experience with training and mentoring junior developers
  • *Skills and Competencies**

To succeed in this role, you will need to possess the following skills and competencies:

  • Strong programming skills in COBOL, JCL, DB2, and CICS
  • Excellent analytical and problem-solving skills
  • Strong communication and collaboration skills
  • Ability to work in a fast-paced environment and meet deadlines
  • Strong understanding of mainframe architecture and system design
  • Experience with financial transaction processing systems and data security policies
  • Knowledge of cloud-based technologies and web development (desirable)
  • *Career Growth Opportunities and Learning Benefits**

As a Full Stack Mainframe Application Developer at arenaflex, you will have the opportunity to work on a wide range of projects and develop your skills in mainframe application development, cloud-based technologies, and web development. We offer a comprehensive training program that includes:

  • Regular training sessions and workshops on mainframe application development and cloud-based technologies
  • Opportunities to attend industry conferences and events
  • Mentorship programs to help you develop your skills and advance your career
  • A collaborative and innovative work environment that encourages creativity and experimentation
  • *Work Environment and Company Culture**

arenaflex is a dynamic and innovative company that values its employees and strives to create a work environment that is both challenging and rewarding. Our team of experts is dedicated to delivering high-quality solutions that meet the evolving needs of our clients. We offer a comprehensive benefits package that includes:

  • Competitive salary and benefits package
  • Flexible working hours and remote work options
  • Comprehensive training program
  • Opportunities for career growth and advancement
  • Collaborative and innovative work environment
  • *Compensation, Perks, and Benefits**

arenaflex offers a competitive salary and benefits package that includes:

  • Competitive salary range: $120,000 - $180,000 per year
  • Comprehensive benefits package, including health insurance, retirement plan, and paid time off
  • Flexible working hours and remote work options
  • Comprehensive training program
  • Opportunities for career growth and advancement
  • Collaborative and innovative work environment
  • *Conclusion**

If you are a motivated and experienced Full Stack Mainframe Application Developer looking for a new challenge, we encourage you to apply for this exciting opportunity. Join arenaflex and be part of a dynamic team that is dedicated to delivering high-quality solutions that meet the evolving needs of our clients. Apply now and take the first step towards a rewarding and challenging career in mainframe application development.

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