D.E.L
Software Consultant @ CGI//Based in Sweden

DAVID

ELFVING

LONG

Full Stack DeveloperSharePoint Specialist

I design and develop web and mobile applications from concept to deployment. Deep expertise in React, Node.js, and Microsoft 365. Building scalable, user-focused products across the full stack.

FULL-STACK DEVELOPER • SHAREPOINT SPECIALIST • REACT • NEXT.JS • TYPESCRIPT • NODE.JS • MICROSOFT 365 • SPFX • POWER PLATFORM • FULL-STACK DEVELOPER • SHAREPOINT SPECIALIST • REACT • NEXT.JS • TYPESCRIPT • NODE.JS • MICROSOFT 365 • SPFX • POWER PLATFORM •

About

I'm a SharePoint specialist, Microsoft 365 consultant, and full-stack developer focused on delivering secure, scalable solutions that create measurable business value. With a strong foundation in systems science and hands-on experience across enterprise environments, I design and implement modern applications spanning SPFx, Power Platform, React, Next.js, Node.js, and TypeScript, bridging business needs and technical execution from architecture through delivery.

At Sogeti and now CGI, I've had the privilege of working alongside talented teams on complex architectural challenges. Those collaborations shaped how I approach problems and significantly deepened my technical judgment. I thrive when learning from others and delivering solutions that actually move the needle.

REACTNEXT.JSTYPESCRIPTNODE.JSSPFXM365POWER PLATFORM

Projects

// PROJECTS LOADING...

Coming soon.

Skills

React
TypeScript
JavaScript
Node.js
Express.js
MongoDB
REST APIs
Next.js
Tailwind CSS
Redux
Framer Motion
Git
SharePoint Online
SharePoint On-Premises
SPFx Development
Web Parts
Power Platform
Power Automate
Power Apps
C#
ASP.NET Core
Azure
Microsoft 365
SQL Server
Graph APIs
Webpack
Jest

Certifications

  • FUNDAMENTALS

    MS-900 Microsoft 365 Fundamentals

  • FUNDAMENTALS

    PL-900 Power Platform Fundamentals

  • FUNDAMENTALS

    SC-900 Security, Compliance, and Identity Fundamentals

  • ASSOCIATE

    PL-400 Power Platform Developer Associate

  • ASSOCIATE

    PL-100 Power Platform App Maker Associate

  • ASSOCIATE

    AZ-102 Azure AI Engineer Associate

Experience

Master of Science Programme in Computing Science and Engineering

2016-2018

Umeå

Advanced studies in data structures, algorithms, computational mathematics, low-level programming, and embedded systems. Developed strong analytical and technical problem-solving skills.

Study Programme in Systems Science with emphasis in Design, Interaction and Innovation

2019-2022

Umeå

Studied information systems with focus on analyzing, designing, and implementing IT solutions. Thesis at Sogeti AB on management systems engagement. Expert in system analysis, process optimization, and user-centered design.

Sogeti AB

2022 - 2026

Örnsköldsvik

Architected and built SharePoint intranets from the ground up for enterprise clients, designing complex M365 information architectures that scaled across organizations. Wore both the admin and developer hat: managing on-premises SharePoint farms, engineering custom .wsp solution packages and backend services deployed directly to the farm, and bridging legacy infrastructure into modern cloud ecosystems. Delivered production SPFx solutions, Azure-integrated services, and AI-driven automation pipelines with C# and Python. Shaped digital workplaces end-to-end through Power Platform workflows, custom React frontends, and hands-on cloud migrations.

CGI

January 2026 - Present

Hybrid (Umeå)

Entrusted with full design and implementation ownership of greenfield M365 applications, taking solutions from concept to production as the sole developer. Building and shipping across SharePoint, Azure, and enterprise infrastructure with end-to-end technical and creative responsibility. Delivering complex SPFx builds, cloud-native integrations, and backend services that span frontend, infrastructure, and everything in between.

Contact

Contact me directly at davidelfvinglong@gmail.com or through this form.