Application designer, IT​/Tech

Salary: £117, per year

• Strong experience across the full software development lifecycle, with particular strength in analysis, design, and integration.
• Proven experience designing, developing, and supporting integration and messaging solutions.
• Strong technical skills in IBM App Connect Enterprise (ACE) v12/v13.
• Experience with IBM Web Sphere MQ v9.
• Experience with Oracle Database 19c, including SQL, PL/SQL, and data modelling.
• Experience working with messaging formats such as XML, JSON, and MRM.
• Experience working on Linux, particularly Red Ha
• Programming or scripting experience in at least one of the following: C, C++, SQL, or Linux scripting.
• Knowledge of financial messaging standards such as SWIFT, ISO 15022, or ISO 20022 is desirable.
• Ability to work independently and as part of a team in a fast-paced, dynamic environment.
• Strong attention to detail with a focus on quality and accuracy.
• Service‑focused, delivery‑driven, and proactive in problem solving.
• Experience mentoring or supporting junior team members is desirable.

• We design, develop, and support integration and messaging solutions.
• We produce high‑level application design documentation.
• We create detailed technical design documentation.
• We develop program specifications based on design outputs.
• We build IBM App Connect Enterprise (ACE) integrations and code.
• We create deployment scripts and supporting documentation.
• We design, create, and execute unit tests covering all code paths.
• We produce and execute sub‑system test plans.
• We prepare documentation to support ongoing application operations.
• We participate in peer reviews for design, code, and testing artefacts.
• We ensure quality, completeness, and accuracy across deliverables.
• We support application integration across messaging and connectivity layers.
• We collaborate within a high‑performing technology team throughout the full development lifecycle.

• IBM
• IBM Web Sphere
• Support
• JSON
• Linux
• Oracle
• SQL
• Swift
• Websphere
• XML
• Kafka
• RHEL
• UX UI Design

We are a leading financial services organisation with a high‑performing technology team at the heart of our business. Our IT function drives continuous innovation and delivers reliable, high‑quality solutions that support mission‑critical enterprise systems and messaging infrastructure. We work in a fast‑paced, collaborative environment across a modern distributed architecture that includes Linux‑based platforms, messaging middleware, database technologies, and connectivity with enterprise and external financial networks.

We offer the opportunity to work on complex, high‑impact systems and to contribute across analysis, design, build, testing, integration, and support.