2 of 2 Permanent Legacy Systems Jobs in West Wales

Spring Boot, AWS Serverless (Lambda/Node.js) and Ruby on Rails with React Define integration patterns between modern services and Legacy Mainframe systems, supporting incremental modernisation Remain hands‐on with code: contributing to critical paths, conducting code reviews, and pairing with engineers Own the technical roadmap … ends, or comparable full‐stack experience and the ability to lead teams using these tools Strong grasp of integration patterns with Legacy systems (mainframe, ESB, message‐based, batch) and incremental modernisation strategies Solid understanding of secure‐by‐design principles, OWASP risks, and engineering for high‐assurance environments ...

changes. Desirable Skills & Experience Broader Tech Stack: Experience or familiarity with Ruby on Rails, to assist in migrating, maintaining, or integrating with existing Legacy Front End estates. Cross-Government Platforms: Prior experience integrating digital products with strategic cross-government capabilities, such as GOV.UK One Login … GOV.UK Pay, GOV.UK Notify, or digital wallets. Legacy Transformation: Experience supporting large-scale digital transformation programmes migrating away from Legacy systems (eg, older Java, AIX, Oracle, or Mainframe environments). Cloud Infrastructure: Familiarity with AWS serverless patterns, infrastructure-as-code principles, and proactive observability monitoring. ...