Application Designer

Application Designer

Full-Time 117000 - 130000 £ / year (est.) No working from home possible
Sivara GmbH

At a Glance

  • Tasks: Design and develop integration solutions using cutting-edge technologies in a dynamic environment.
  • Company: Join a leading financial services organisation with a high-performing tech team.
  • Benefits: Competitive salary, opportunities for innovation, and a collaborative work culture.
  • Other info: Fast-paced environment with excellent career growth and mentoring opportunities.
  • Why this job: Make a real impact on complex systems while enhancing your technical skills.
  • Qualifications: Strong software development experience and proficiency in IBM technologies.

The predicted salary is between 117000 - 130000 £ per year.

Salary: £117,000 - 130,000 per year

Requirements

  • 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 WebSphere 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 Hat.
  • 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.

Responsibilities

  • 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.

Technologies

  • IBM
  • IBM WebSphere
  • 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.

Application Designer employer: Sivara GmbH

As a leading financial services organisation, we pride ourselves on fostering a collaborative and innovative work culture that empowers our employees to excel. Our Application Designers benefit from competitive salaries, opportunities for professional growth, and the chance to work on complex, high-impact systems within a dynamic team. Located in a modern environment, we support continuous learning and provide a platform for meaningful contributions to mission-critical projects.

Sivara GmbH

Contact Details:

Sivara GmbH Recruitment Team

We think you need these skills to ace Application Designer

Software Development Lifecycle
Analysis
Design
Integration
IBM App Connect Enterprise (ACE) v12/v13
IBM WebSphere MQ v9
Oracle Database 19c