Senior Power Platform Developer
Location: London (Hybrid)
Contract: Initial 6 Months
Start Date: July 2026
Rate: Day Rate DOE
IR35 Status: Outside IR35
The Opportunity
We are seeking multiple Senior Power Platform Developers to join a major digital transformation programme focused on replacing legacy applications with modern Microsoft Power Platform solutions.
This is an opportunity to work on greenfield and re-platforming initiatives that will support thousands of end users, delivering modern digital experiences and streamlined operational processes.
You will join established Agile teams and play a key role in designing, building and deploying enterprise-scale solutions using Microsoft Power Platform and Dynamics 365.
What You'll Be Working On
Projects include:
* Re-platforming legacy applications into Microsoft Power Platform.
* Building user-facing portals through Power Pages.
* Developing complex workflows and approval processes within Dynamics 365.
* Creating scalable, secure and maintainable business applications.
* Integrating Power Platform solutions with third-party systems and services.
* Supporting end users through testing, deployment and hypercare.
Key Responsibilities
* Design and develop solutions using Microsoft Power Platform.
* Build Power Apps, Model-Driven Apps and Power Pages applications.
* Develop workflow automation using Power Automate.
* Create custom plugins and business logic using C#.
* Develop front-end functionality using JavaScript and HTML.
* Design and implement role-based security models.
* Integrate with third-party services through APIs.
* Produce functional specifications and technical design documentation.
* Work closely with Product Managers, Business Analysts and stakeholders.
* Participate in Agile ceremonies and iterative delivery.
* Support testing, troubleshooting and bug resolution.
* Mentor junior developers through collaboration and pair programming.
* Provide post-deployment support and hypercare.
Essential Skills
* Strong Microsoft Power Platform development experience.
* Power Apps.
* Model-Driven Apps.
* Power Pages.
* Power Automate.
* Dynamics 365 CE.
* Plugin development.
* Complex role-based security configuration.
* C#.
* JavaScript.
* HTML.
* SQL.
* Database design and data modelling.
* Azure DevOps.
* API integration experience.
* Technical solution design.
* Functional and technical documentation.
We're looking for hands-on developers who enjoy building solutions rather than simply configuring them.
You will be comfortable engaging with stakeholders, translating requirements into technical solutions, contributing to architecture discussions and delivering high-quality code throughout the software development lifecycle.
Experience working within Agile environments and delivering enterprise-scale Power Platform solutions is essential.
Desirable Experience
* Higher Education.
* Public Sector.
* Digital transformation programmes.
* Workflow and case management solutions.
* Customer, citizen or student-facing platforms.
If you're an experienced Power Platform Developer looking for your next Outside IR35 contract and enjoy building impactful solutions from the ground up, we'd love to hear from you.