R Developer

We are looking for an experienced Advanced R Developer / Software Engineer to support the modernisation of complex, business-critical analytical and reporting applications. The role will focus on upgrading existing R-based tooling onto modern platforms, reducing technical debt and ensuring established business outputs remain accurate and consistent throughout major system and code changes., * Develop, maintain and refactor complex R applications and analytical tooling.

• Modernise legacy R code and migrate solutions onto newer platforms.
• Build and maintain data transformation pipelines and reusable R packages.
• Improve code quality, maintainability, performance and engineering standards.
• Design and implement robust testing and validation approaches.
• Carry out regression testing, reconciliations and automated validation to ensure changes do not impact established outputs.
• Maintain and enhance business-critical reporting and analytical solutions.
• Redesign reporting logic to support evolving business and regulatory requirements.
• Work with data and reporting stakeholders to ensure continuity and accuracy of outputs.
• Support version control, CI/CD and modern software engineering practices.

• Expert-level commercial experience developing applications and solutions in R.
• Strong software engineering background, including production-grade coding practices.
• Experience refactoring and modernising complex or legacy R applications.
• Strong experience with data transformation pipelines and R package development.
• Experience designing automated testing, regression testing and validation frameworks.
• Strong understanding of data modelling and analytical reporting solutions.
• Experience working with SQL and version control tools such as Git / Azure DevOps.
• Ability to work independently within complex, highly controlled environments.

Desirable Experience

• Experience with Databricks and scalable data engineering or analytics architectures.
• Power BI and data visualisation experience.
• Python development experience.
• Microsoft Power Platform exposure.
• Strong Excel capability.
• Experience working with regulatory, financial or other highly controlled reporting environments.