This job is with Kyndryl, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. At Kyndryl, we run and reimagine the mission-critical technology systems that drive advantage for the world's leading businesses. with proven expertise and a continuous flow of AI-powered insight, enabling smarter decisions, faster innovation, and a lasting competitive edge. Descubra exactamente qué habilidades, experiencia y cualificaciones necesitará para tener éxito en este puesto antes de enviar su solicitud a continuación.
You'll be in good company among our general community of experts leading the future of mainframe modernization. In this role, you'll design, build and maintain the high-volume business logic that runs on the mainframe. At the same time you'll play a key role in refactoring legacy code to enable modern cloud and mobile applications to seamlessly interact with the mainframe's core data. What you will doMaintain Performance

- Monitor the architecture and identify opportunities to optimize code to maintain and enhance mainframe performance. Debug and Test
- As an instrumental player in modernization, you'll extract business logic from legacy systems for migration or integration with cloud-based services.

Experience working as a software engineer on complex software projects.

- Excellent coding skills and solid development experience (Java, Python, .Net etc.) Software development methodologies,



with demonstrated experience developing scalable and robust software.
- Experienced in relational and NoSQL databases, data mapping, XML/JSON, REST-based web services.
- Knowledge of architecture design - Microservices architecture, containers (Docker & k8s), messaging queues.
- Bachelor's degree in Computer Science, related technical field, or equivalent practical experience.
- Certification in one or more of the hyperscalers (Azure, AWS, and Google GCP) - otherwise, you can obtain certifications with Kyndryl.
- Experience with DevOps tools and modern engineering practices.

Your career with us isn't just a job-it's an adventure with purpose. We offer a dynamic, hybrid-friendly culture that supports your well-being and empowers you to grow. Our Be Well programs are thoughtfully designed to support your financial, mental, physical, and social health-because we know that when you feel your best, you do your best.
You won't just contribute-you'll make a difference, tackling meaningful projects that sharpen your skills and fuel your growth.
You'll develop in-demand skills to grow your career and achieve your ambitions with access to cutting-edge learning opportunities-from certifications with Microsoft, Google, and Amazon to coaching and hands-on experiences. And through it all, you'll be part of a culture that values empathy, restless learning, and a devotion to shared success.

📌 Software Engineer - Development Services (Madrid)
🏢 Kyndryl
📍 Madrid