Mainframe Developer

We are seeking an experienced AS400 Developer to take ownership of the full software development lifecycle (SDLC) of enterprise-level applications. The successful candidate will have strong technical expertise, hands-on development skills, and the ability to collaborate effectively with a wide range of stakeholders to deliver robust, high-quality solutions.

Key Responsibilities

• Design, develop, and maintain applications on the AS400 / iSeries / IBM Power Systems platform.

• Demonstrate advanced proficiency in AS400 SQL, SMART, and COBOL programming.

• Analyse complex business and technical requirements, identifying and implementing appropriate solutions.

• Execute all phases of the SDLC, including development, code reviews, testing (QA/UAT), deployment, and post-release support.

• Produce technical documentation and SDLC artefacts as required.

• Collaborate closely with solution architects, project managers, product owners, and developers to ensure effective solution delivery.

• Communicate effectively with both technical and non-technical stakeholders to explain complex issues and proposed solutions.

• Conduct data analysis, identifying trends and supporting data-driven decision-making.

• Provide testing support to QA and business teams, defining and executing test cases as necessary.

• Build strong working relationships with internal teams and external technology partners.

• Research emerging technologies, tools, and methodologies to drive continuous improvement.

• Promote best practices around continuous integration, delivery, and quality assurance.

Essential Skills & Experience

• Proven experience as an AS400 Developer with a solid understanding of enterprise application design and development.

• Expertise in AS400 SQL, SMART, and COBOL programming languages.

• Strong problem-solving and analytical skills, with the ability to identify root causes and deliver independent solutions.

• Experience working within Agile, Hybrid, or Waterfall project environments.

• Proficiency in Microsoft Office Suite (Word, Excel, Visio) and collaboration tools such as Jira and Confluence.

• Strong understanding of change management methodologies and software delivery processes.

• Excellent communication and interpersonal skills with the ability to operate effectively at all levels of the organization.

• Deep knowledge of software development life cycles and systems implementation processes.

• Experience translating business needs into technical requirements and functional specifications.

• Working knowledge of data management, integration, and data quality control techniques.

Desirable Qualifications & Experience

• Degree in Computer Science, Information Technology, or a related discipline.

• Experience with one or more of the following: Mainframe, AS400, COBOL, SQL Development, IBM WebSphere, MSP.

• Experience in writing technical design documentation.

• Background in financial services or other large-scale enterprise environments is advantageous.

• Ability to deliver effectively within tight project timelines.