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Software Developer - COBOL to Java Conversion

Job in Greater London, London, Greater London, EC1A, England, UK
Listing for: IBM
Full Time position
Listed on 2026-01-13
Job specializations:
  • Software Development
    Java Developer, Software Engineer, Backend Developer, Full Stack Developer
Job Description & How to Apply Below
Location: Greater London

Software Developer – COBOL to Java Conversion

Join to apply for the Software Developer – COBOL to Java Conversion role at IBM
.

Overview

A career in IBM Consulting is rooted by long‑term relationships and close collaboration with clients across the globe. You’ll work with visionaries across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. Your ability to accelerate impact and make meaningful change for clients is enabled by our strategic partner ecosystem and robust technology platforms across the IBM portfolio.

Responsibilities
  • Act as an IBM Application Architect, helping clients transform businesses and solve complex problems by defining project scope and vision and delivering customized solutions.
  • Serve as a technical leader and liaison among business partners, technical resources, and project stakeholders.
  • Lead the delivery of software conversion projects using automated refactoring with CTU, including maintaining the Java support library, integrating new libraries, and customizing solutions.
  • Build automation around processes and maintain the Java support library.
  • Design Java solutions for modernizing legacy applications, write well‑designed, testable code, and deliver solutions within a fast‑paced project lifecycle.
  • Spend the majority of time on technical/coding activities, with occasional team coaching.
  • Develop primarily on Windows machines; CTU is built on Eclipse.
Qualifications
  • Preferred Education:

    Bachelor’s Degree.
  • Required:

    7+ years Java development experience and knowledge of Java libraries (Spring Framework, Guava, Apache Commons, Guice/Dependency Injection, JPA).
  • Proficiency in SQL/ORM and relational databases.
  • Experience with MVS, COBOL, and JCL.
  • Practical skills in CI/CD tools and platforms (Git, Maven, Gradle, Docker, Jenkins, Jira).
  • Good command of Test‑Driven Development.
  • Preferred:
    Cloud/Kubernetes, performance tuning, and compilation technologies such as ANTLR / XText.
Job Details
  • Seniority level:
    Mid‑Senior
  • Employment type:

    Full‑time
  • Job function:
    Engineering and Information Technology
  • Industry: IT Services and IT Consulting
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