> Markdown version of [/jobs/ext/2815900-senior-financial-systems-developer](https://www.wearedevelopers.com/jobs/ext/2815900-senior-financial-systems-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Financial Systems Developer - **Company:** Systems Accountants - **Location:** Greater London, UK - **Experience:** Expert - **Salary:** £80,000.0 - **Contract:** Temporary contract - **Skills:** Microsoft Excel, Data Analysis, Data Integration, Extract Transform Load (ETL), Data Visualization, Systems Development Life Cycle, Power BI, Standard Sql, SQL Databases, Vba Programming Language - **Published:** September 10, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840591165-senior-financial-systems-developer ## About the Role * 5+ years' experience developing IBM Planning Analytics (TM1) solutions within Financial Services. * Strong expertise in TM1 development (cubes, dimensions, rules, TI processes, workflows, active forms). * Experience with PAX and PAW. * Good working knowledge of SQL for querying and building ETL processes * Familiarity with FP&A processes and financial reporting requirements. * Strong Excel and VBA skills. * Understanding of MDX for subsets and dynamic views. * Experience across the full development lifecycle. Desirable Skills * Exposure to Power BI for reporting and data visualisation * Professional accounting qualification (desirable) ## Description This role sits within a high impact finance systems team and will focus on developing and enhancing IBM Planning Analytics (TM1) solutions supporting FP&A, reporting, and regulatory requirements., * Develop and maintain IBM Planning Analytics (TM1) models, including cubes, dimensions, rules, and TurboIntegrator (TI) processes. * Design and deliver dynamic reporting solutions using Active Forms, PAX, and PAW. * Collaborate with stakeholders to gather requirements and identify system enhancements and automation opportunities. * Build and optimise ETL processes and data integrations, leveraging SQL where required. * Support data modelling and warehouse design aligned to finance and reporting needs. * Ensure robust testing, deployment, and change management processes. * Provide ongoing system support, troubleshooting, and user assistance. * Document solutions and promote best practice development standards. ## Related Videos - [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt) - [Beyond Dashboards: Fixing Text-to-SQL with Semantic RAG](https://www.wearedevelopers.com/videos/2036-beyond-dashboards-fixing-text-to-sql-with-semantic-rag) - [How building an industry DBMS differs from building a research one](https://www.wearedevelopers.com/videos/768-how-building-an-industry-dbms-differs-from-building-a-research-one) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Data Science on Software Data](https://www.wearedevelopers.com/videos/162-data-science-on-software-data) - [Data Analytics with Microsoft Fabric: End-to-End Use Case with Data Agents](https://www.wearedevelopers.com/videos/1547-data-analytics-with-microsoft-fabric-end-to-end-use-case-with-data-agents) ## Related Articles - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)