Need a z/OS Mainframe System Programmer

@sabaehsan

Greetings, I appreciate the opportunity to apply for the z/OS Mainframe System Programmer position. From your description, it seems you're looking for someone with a strong background in various programming languages and system architecture to help tackle specific challenges within your mainframe environment. With experience in COBOL, Java, and performance tuning, I can effectively optimize systems and ensure smooth operations. My background in documentation and programming equips me to create clear, actionable guides and scripts that enhance system reliability. Additionally, I have experience with software architecture, which will aid in developing efficient solutions tailored to your unique needs. I’m eager to learn more about your specific requirements and contribute to your team. Best regards, Saba Ehsan

@Zawiya3

Having worked extensively in multiple programming languages and platforms, my diverse skill set as a data scientist and full-stack developer make me the ideal candidate for your z/OS Mainframe System Programmer role. I have expertise in Hadoop, Java, Node.js, and most importantly, Python which I utilize for web scraping, data processing, GUI development and much more. My understanding of AWS architecture further amplifies my potential to efficiently navigate mainframe systems. Throughout my career, I've strengthened my troubleshooting skills by solving complex errors in various systems, honed my logical thinking through pattern recognition in facial and motion detection programming, and dived deep into predictive modeling with limited data. Working with R and MATLAB has further enhanced my ability to creatively solve problems that are often required when dealing with mainframes.

@uzzairkhan

You need a skilled z/OS System Programmer to ensure mainframe stability. I analyze and optimize z/OS systems, focusing on performance and reliability. This approach directly addresses your need for a capable mainframe programmer. My work covers the described requirements. I will promptly communicate any potential scope adjustments. Recently, I streamlined a client’s JES2 spool performance, reducing batch processing time by 15%. What specific z/OS subsystems are central to this engagement?

@vadymkasi

Hello, Greetings , Good evening! I am an expert mobile coder with skills including SAS, Performance Tuning, Node.js, COBOL, Python, Programming, Software Architecture, Java, Documentation and Hadoop. Please contact me to discuss more about this project. Looking forward to serve you

@Aurallian

Hello, I have carefully reviewed your project requirements. With over 5 years of experience in web development, I am confident in delivering a modern and user-friendly website tailored to your needs. Your emphasis on fast loading times aligns with my expertise in optimizing site performance. Let's discuss how I can bring your vision to life. Looking forward to collaborating with you. Best regards, Aurallian

@jabulanix

I am a perfect fit for your project. I understand you will share details with shortlisted candidates, and I’m ready to dive into your requirements to deliver a clean, professional, and user-friendly solution that is seamless and fully integrated for your needs. I specialize in creating automated systems with precision and reliability. While I am new to Freelancer, I have tons of experience and have done other projects off site. No Satisfaction, No Payment. Payment is only required if the final work meets the agreed project scope and approved requirements. To establish long-term trust on Freelancer.com, I’m offering limited-time discounted pricing without compromising quality of work. I would love to chat more about your project! Regards, Jabulani Xaba

@vayac

My name is Dheeraj, and while I may not be a mainframe system programmer by trade, my skills as a Full-Stack Web Developer make me uniquely suited to this project. My proficiency with Node.js, Python, and my experience in building secure and scalable applications are directly analogous to the tasks required for your mainframe systems. Moreover, I firmly believe that enthusiasm and versatility matter in every job. I've proven my ability to adapt by consistently delivering tailored solutions that align with the precise needs of different projects—from startup dashboards to e-commerce platforms. This adaptable mindset will allow me to hit the ground running for your unique mainframe system requirements. I am not just offering a set of hard skills; I come ready to understand your processes deeply and quickly so that we can collaborate effectively. As a dedicated professional, my goal is always to deliver top-notch quality on time; and to build long-term relationships with my clients. My understanding of clean code and commitment to performance can help maximize efficiency within your z/OS environment. Allow me to bring a fresh perspective and expertise into play; I won't disappoint you!

@ingferchangas

Hi i am zArquitect and Worked in multiple roles aroung zSystems from IBM, in the beginning work for developement team in Assembler, COBOL, REXX, JCL and then I worked in most biggest bank in colombia in Sysprogramer roles when install from the operating system zOS 2.4 until all subsystems MQ, CICS, DB2 and aditional support in the installation new capabilities and modernize the current environment. In the same way i could be give us recomendation for exploit better the HW and zOS Performance analysis for gain better performance and possible ways to reduced CPU Consumption

@marvine02

Hi, I’m ready to review the details once shared and can engage immediately. I bring extensive hands-on experience designing, building, and optimizing enterprise-grade systems using Java, Python, and Node.js, with exposure to legacy platforms (COBOL, SAS) as well as big-data ecosystems such as Hadoop. My background includes leading end-to-end solution architecture, modernizing legacy workflows, implementing high-performance data pipelines, and tuning large-scale applications for reliability, throughput, and scalability. I’ve worked on projects that required deep performance optimization, system integration across heterogeneous stacks, and production-level documentation suitable for long-term maintenance and audits. I’m comfortable collaborating with cross-functional teams, quickly understanding complex requirements, and delivering clean, well-documented, and measurable outcomes. I look forward to reviewing the requirements and outlining a clear technical approach, timeline, and next steps once shortlisted.