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Internal Systems Developer

  • Hybrid (YO1 6WR, York, United Kingdom)
  • Finance

Simpson Associates transforms raw data into actionable insights that drive positive change.

Our Microsoft data expertise, our specialist sector knowledge, plus our innovative and trusted advice and guidance are just some of the reasons clients choose to work with us.

Our mission is to help purpose-led organisations from within the public and private sectors to harness data as a lever for change and enable them to realise business value more quickly. We provide the full range of services to support organisations on their data transformation journey. From advisory support and data strategy, to developing Data & AI solutions, right through to providing a range of managed services.

We are a Microsoft Solutions Partner, holding Specialisations in AI Platform on Microsoft Azure, Analytics on Microsoft Azure, Data Warehouse Migration to Microsoft Azure and Migrate Enterprise Applications to Microsoft Azure, as well as holding Solutions Partner designations in Data & AI (Azure); Digital & App Innovation (Azure); Infrastructure (Azure) and Security.

But it's not just about the badges. We are proud to be recognised as the winner of the 2024 Microsoft Community Response Partner of the Year award, reflecting our dedication to using technology for positive change. We are also a Databricks partner, and an IBM Gold Partner, specialising in Cognos Analytics and Planning Analytics.

With offices in York and Sheffield, and a team based throughout the UK – we champion creativity, innovation and collaboration in the workplace.


The Role

We are seeking a skilled Internal Systems Developer to maintain, enhance, and develop solutions across our internal technology infrastructure. This role combines hands-on system administration with application development, working collaboratively with our Information & Systems (I&S) team and Financial Planning & Analysis (FP&A) department to deliver robust technical solutions that drive business efficiency and support strategic decision-making.

Key Responsibilities


System Maintenance & Support​

  • Maintain and optimise existing internal systems, ensuring reliability, performance, and security​
  • Troubleshoot and resolve technical issues across various platforms and applications​
  • Monitor system performance and implement proactive maintenance schedules​
  • Manage system updates, patches, and infrastructure improvements​
  • Provide technical support to end-users and resolve system-related queries


Application Development & Integration

  • Develop bespoke applications and solutions to meet specific business requirements​
  • Create and maintain integrations between existing systems and new platforms​
  • Build automated workflows and processes to improve operational efficiency​
  • Design and implement data migration and synchronisation solutions​
  • Develop APIs and interfaces to connect disparate business systems

Collaboration with I&S and FP&A Teams

  • Work closely with the I&S team to align technical solutions with broader IT strategy​
  • Partner with FP&A to understand financial reporting and analysis requirements​
  • Translate business requirements into technical specifications and deliverable solutions​
  • Develop financial dashboards, reporting tools, and business intelligence solutions​
  • Support budgeting, forecasting, and financial modelling system requirements


Documentation & Process Improvement

  • Maintain comprehensive documentation for all systems, applications, and processes​
  • Create user guides and training materials for business users​
  • Identify opportunities for system improvements and efficiency gains​
  • Participate in project planning and technical requirement gathering​
  • Ensure compliance with internal IT policies and industry best practices

Skills and Attributes Required

  • Previous experience with integration of internal systems. (CRM etc.)
  • Ability to develop and repair internal systems.
  • Experience with platforms such as Jira, Hubspot, and Power BI is essential.
  • Involvement and or experience in business process improvement.
  • Background or experience in Finance is preferred.
  • Collaborative and forward-thinking approach to problem solving.
  • Self-motivated, proactive and comfortable working autonomously.
  • Proficient when using Excel and Word and comfortable learning new systems.
  • Has the ability to work to deadlines with a clear & focused approach.


Successful candidates will require to pass Security Clearance