Mainframe Modernization Software Engineer

Kyndryl; Madrid; Presencial; EUR 60.000 - 90.000; Jornada completa

Descripción de la vacante

Kyndryl in Madrid is seeking a skilled software engineer to design, build, and maintain high-volume mainframe logic while refactoring legacy code for seamless cloud and mobile integration.

You will optimize performance, debug complex interactions, and contribute to modernization efforts across distributed services. Strong Java, Python or .Net skills, plus Docker/Kubernetes, are valued for this role.

Formación

• Experience working on complex software projects.
• Demonstrated development experience with debugging and problem-solving skills.
• Experience with scalable and robust software development methodologies.

Responsabilidades

• Design, build and maintain high-volume business logic on the mainframe.
• Refactor legacy code to enable cloud/mobile integration.
• Monitor architecture to optimize mainframe performance.
• Debug, troubleshoot, and analyze complex system interactions to keep mission-critical apps running.
• Extract business logic from legacy systems for migration or cloud integration.

Conocimientos

Software engineering experience

Java/Python/.Net

SDLC methodologies

Relational/NoSQL databases

XML/JSON & REST

Microservices & containers

OOP & design patterns

Educación

Bachelor's degree in Computer Science or related field

Herramientas

Docker

Kubernetes

Descripción del empleo

Kyndryl in Madrid is seeking a skilled software engineer to design, build, and maintain high-volume mainframe logic while refactoring legacy code for seamless cloud and mobile integration.

You will optimize performance, debug complex interactions, and contribute to modernization efforts across distributed services. Strong Java, Python or .Net skills, plus Docker/Kubernetes, are valued for this role.