Backend developer

**Introduction** 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. **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. 4+ years of Working experience in testing automation & Systems engineering Proficient in designing & development of Test frame works. Working experience in Restful APIs & Command line interfaces Expertise in testing Accessibilty, WCAG compliant UI screens. Experience in UI automation tools like Cypress. Understanding Core Linux operating system and underlying architecture. Expert level skill in Type1/Type2 hypervisors, OS Virtualization , Process and resource Management in Operating system, network segmentation. Strong skills in git, shell(ksh/bash), system monitoring, Jenkins, groovy scripts. CI/CD pipeline integration and end-to-end tests, playbooks and process automation. A Self-starter Individual with excellent problem-solving skills, able to work independently and as a part of the team. Good Project management skills (iteration or other agile flavours, cross-team coordination, aligning with customer goals) Good Community management skills (working with open source contributors, client outreach and other public relations) **Preferred technical and professional experience** • Linux Kernel Development: Exposure to Linux kernel development, including understanding of kernel internals, device drivers, and kernel modules. Familiarity with kernel debugging and troubleshooting techniques. • Advanced Linux Tools: Experience with advanced Linux tools such as perf, ftrace, and systemtap, with the ability to utilize these tools for performance analysis and optimization. • Open Source Contributions: Exposure to contributing to open-source projects, including understanding of open-source licensing, code review, and community collaboration. IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.