Application Developer Engineer/Architect

Kyndryl

Software Engineer role focused on mainframe modernization at Kyndryl. Responsible for designing and maintaining high-volume business logic and optimizing code performance.

Posted 7/8/2026full-timeMilan • 🇮🇹 ItalyMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

CloudDockerJavaKubernetesMicroservicesNoSQLPython

About the role

Key responsibilities & impact

Design, build, and maintain high-volume business logic on the mainframe.
Monitor architecture and identify opportunities to optimize code for performance.
Debug, troubleshoot, and analyze complex system interactions.
Extract business logic from legacy systems for migration or integration with cloud-based services.

Requirements

What you’ll need

Experience working as a software engineer on complex software projects.
Excellent coding skills and solid development experience (Java, Python, .Net etc.) with debugging and problem-solving skills.
Experience with Generative AI and Agentic AI solutions for enterprise application modernization.
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.
Deep understanding of OOP and design patterns.

Benefits

Comp & perks

Flexible working environment
Support for professional development
Well-being programs

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Software EngineeringDebuggingProblem-SolvingOOPDesign PatternsData MappingXMLJSONREST-Based Web ServicesNoSQL Databases

Soft Skills

Analytical SkillsCollaboration