Backend Java developer

Overview

At IBM Infrastructure & Technology, we design and operate the systems that keep the world running. From high-resiliency mainframes and hybrid cloud platforms to networking, automation, and site reliability. Our teams ensure the performance, security, and scalability that clients and industries depend on every day. Working in Infrastructure & Technology means tackling complex challenges with curiosity and collaboration. You’ll work with diverse technologies and colleagues worldwide to deliver resilient, future-ready solutions that power innovation. With continuous learning, career growth, and a supportive culture, IBM provides the opportunities to build expertise and shape the infrastructure that drives progress.

Your Role And Responsibilities

As a Back-End Developer specializing in Linux, you will design, develop, test, and deliver features in Linux Operating Systems for generic and s390 (zSystems) architecture. You will utilize your knowledge of hardware and firmware capabilities to create architecture-specific and agnostic features, ensuring end-users can leverage the full potential of the hardware platform and microprocessor. Your primary responsibilities will include:

• Develop Linux Features: Design, develop, test, and deliver features in Linux Operating Systems for generic and s390 (zSystems) architecture, leveraging knowledge of hardware and firmware capabilities.
• Problem Determination: Perform problem determination and problem source identification in operating system environments, collaborating with the Linux Kernel community (Kernel.org) as needed.
• Community Collaboration: Work closely with the Linux Kernel community, understanding the Linux Kernel Open Source Community and its workings, and utilizing open-source tools like GitHub and Linux editors.
• Interface Layer Understanding: Understand the hardware, firmware, Operating System, and application interface layers to ensure seamless integration and optimal performance.
  
  

Master's Degree

Required Technical And Professional Expertise

• Exposure to Linux Development: Experience working with Linux Operating Systems, including design, development, testing, and delivery of features for generic and s390 (zSystems) architecture.
• Hardware and Firmware Knowledge: Familiarity with hardware and firmware capabilities, with the ability to utilize this knowledge to create architecture-specific and agnostic features.
• Open Source Community: Exposure to the Linux Kernel Open Source Community and its workings, including collaboration with the community and utilization of open-source tools like GitHub and Linux editors.
• Problem Solving: Experience with problem determination and problem source identification in operating system environments, including collaboration with the Linux Kernel community as needed.
• Interface Layer Understanding: Understanding of the hardware, firmware, Operating System, and application interface layers, with the ability to ensure seamless integration and optimal performance.
• Design RESTful APIs and microservices in Java (Spring Boot, Java 17+).
• Write Python scripts for infrastructure management and automation.
• Knowledge of virtualization, hypervisors, storage, network management, and provisioning.
• RHEL, z/VM, and z/OS skills are a plus.
• Familiarity with cloud infrastructure (IBM Cloud, AWS), containerization (Docker/Kubernetes), and systems programming.
• Experience with version control (Git/GitHub) and agile methodologies.
• Knowledge of AI code generation tools, LLMs, and ML frameworks (TensorFlow/PyTorch).
  
  

• Advanced Linux Knowledge: Exposure to advanced Linux concepts, including kernel development and debugging. Familiarity with Linux kernel internals and device driver development.
• Open Source Tooling: Experience with open-source tools like GitHub, Linux editors, and other development tools commonly used in the Linux Kernel community.
• Low-Level Programming: Exposure to low-level programming languages such as Assembly and C, with an understanding of computer architecture and hardware interfaces.