Senior M365 Platform Lead & Solutions Architect

INEOS Belgium; Runcorn; On-site; GBP 70,000 - 90,000; Full time

Job summary

INEOS Inovyn is seeking a Senior M365 Developer to lead the design, development, and evolution of Microsoft 365 based solutions that drive digitalisation and data-driven decision making across the organisation.

You will own end-to-end delivery, collaborate with stakeholders, and shape the M365 and Power Platform strategy while mentoring junior developers in a distributed team environment. This full-time role is based in Runcorn, United Kingdom.

Qualifications

• Strong experience designing and developing solutions within Microsoft 365, including SharePoint, Power Apps, Power Automate, and Power BI.
• Proven ability to translate business requirements into scalable technical solutions and architectures.
• Experience integrating systems using APIs, including Microsoft Graph API and external services.
• Experience with development and integration tools such as Visual Studio, Visual Studio Code, Microsoft Graph Explorer, and Postman.

Responsibilities

• Partner with business stakeholders to understand processes, challenges, and opportunities, shaping effective M365-based solutions.
• Lead the design and development of scalable solutions across the M365 stack, including SharePoint, Power Apps, Power Automate, and Power BI.
• Own end-to-end solution delivery, including architecture, design, build, testing, deployment, and user adoption.
• Drive best practices in solution design, governance, security, and lifecycle management across the M365 platform.
• Act as a technical lead for M365 initiatives, including oversight of SIT, UAT, and go-live activities to ensure high-quality delivery.
• Maintain and optimise existing solutions, ensuring performance, reliability, and alignment with evolving business needs.
• Contribute to the definition and evolution of the M365 / Power Platform strategy, identifying opportunities to improve efficiency and standardisation.
• Support the adoption of modern development practices (e.g. CI/CD, DevOps, reusable components) within the platform.
• Provide guidance and mentoring to junior developers and support collaboration across a distributedteam.

Skills

Microsoft 365

SharePoint

Power Apps

Power Automate

Power BI

API integration

Azure

Governance & security

Agile delivery

Stakeholder engagement

Tools

Visual Studio

Visual Studio Code

Microsoft Graph Explorer

Postman

Job description

INEOS Inovyn is seeking a Senior M365 Developer to lead the design, development, and evolution of Microsoft 365 based solutions that drive digitalisation and data-driven decision making across the organisation.

You will own end-to-end delivery, collaborate with stakeholders, and shape the M365 and Power Platform strategy while mentoring junior developers in a distributed team environment. This full-time role is based in Runcorn, United Kingdom.