Senior SharePoint Developer – Remote, Growth & Impact

Mosaec; Town of Sweden (NY); On-site; USD 102,762 - 148,435; Full time

Job summary

Proxify AB is seeking a Senior SharePoint Developer to design, develop, and implement SharePoint solutions for client projects. You will work with SPFx, Power Platform, and SharePoint Designer, applying REST APIs and modern web technologies to deliver secure, scalable intranet and collaboration apps.

The ideal candidate has 5+ years of SharePoint development, on‑premises and online, with .NET, JavaScript/TypeScript, HTML5, CSS, and strong knowledge of architecture, permissions, migrations, and

Qualifications

• 5+ years of professional SharePoint development experience (Online and/or On-Premises).
• Strong expertise in SPFx, Power Platform, and SharePoint Designer.
• Proficiency in .NET, JavaScript/TypeScript, HTML5 and CSS.
• Solid knowledge of REST APIs, Graph API, and client-side scripting.
• Understanding of SharePoint architecture, permissions, and integrations with Azure/Office 365.

Responsibilities

• Design, develop, and implement SharePoint solutions, including web parts and workflows.
• Customize SharePoint sites using JavaScript, React, SPFx, and Power Automate.
• Build and deploy modern solutions following development best practices.
• Gather requirements from stakeholders and translate into technical solutions.
• Integrate SharePoint with external systems and Microsoft Power Platform.
• Automate business processes with Power Automate, Power Apps, and custom workflows.
• Maintain systems, perform upgrades/patches, and optimize performance.
• Troubleshoot issues and ensure high availability and scalability.

Skills

SharePoint development

JavaScript

TypeScript

HTML5

CSS

REST APIs

Graph API

Power Automate

Power Apps

C#

Git

Office 365 integrations

SharePoint architecture

Tools

SPFx

SharePoint Designer

Power Platform

ShareGate

Metalogix

Job description

Proxify AB is seeking a Senior SharePoint Developer to design, develop, and implement SharePoint solutions for client projects. You will work with SPFx, Power Platform, and SharePoint Designer, applying REST APIs and modern web technologies to deliver secure, scalable intranet and collaboration apps.

The ideal candidate has 5+ years of SharePoint development, on‑premises and online, with .NET, JavaScript/TypeScript, HTML5, CSS, and strong knowledge of architecture, permissions, migrations, and