End of Studies Internship - Software Engineer Intern - Medius Procurement - R&D

About UsAt Medius, we believe managing finance should be about strategy, not stress. That same mindset shapes not only the solutions we build, but also the culture we create for our people. We remove complexity, embrace innovation, and give our teams the freedom to focus on what truly matters — whether that’s transforming the future of finance with AI or finding balance to go home on time.Founded in Sweden in 2001, Medius has grown from a local startup into a global leader in cloud-based spend management solutions. Today, thousands of organizations worldwide trust us to simplify accounts payable and spend management processes. Our journey has been driven by continuous innovation, a passion for technology, and above all — the people who make it happen.We’re more than a software company. We’re a team of problem-solvers, innovators and collaborators working together to reinvent the category of accounts payable. Our solutions use Artificial Intelligence to eliminate manual work, bring clarity, confidence, and control, and empower finance teams of the future.At Medius, our values guide how we work and grow together:Connect – We believe in the power of people—individually and collectively—and our success depends on understanding and respecting each other. We appreciate that ‘empowering finance teams of the future’ is an exciting endeavor, and we share it with everyone around us. Question – We enjoy the challenge of our work and the thrill of collaboration. We are not afraid to question ourselves and each other because we believe diverse perspectives can lead to better outcomes and that there is great power in resolution. Own – We are thorough, thoughtful, and decisive. We anticipate what’s next, what a customer might need, and then we deliver. That’s how we get things done. And that’s how we remain a leader. Customers trust us to do our job so that they can focus on what they do best.At Medius, you’ll join a diverse, global community where curiosity is celebrated, ideas matter, and innovation never stops. If you’re passionate about technology, eager to make an impact, and ready to grow alongside a team that lives its values, Medius is where you can do your best work — your impact is global.Lear more at www.medius.comTitleMedius App for Microsoft Teams.DescriptionBuild a Microsoft Teams app that brings Medius invoice approvals directly inside Teams. The app will help users validate invoices faster and allow managers to view all invoices currently in workflow.The Solution Includes Two Main FeaturesBot Integration (Phase 1 – MVP) Notify users when a new invoice requires approval.List pending invoices.Approve / Reject using Adaptive Cards.Open invoice directly in Medius via deep links.Manager Tab (Phase 2) Teams Tab showing all invoices under validation:Search, filter, and sort operations. Approve / Reject invoices directly.Access detailed invoice view in Medius Developer TasksA) Scoping & Design.Define the functional scope and user flows.Identify required Teams components:Bot.Tab.(Optional) Messaging extension.Prepare:Simple UI/UX wireframes.App manifest (name, icons, permissions). Development:Use the Teams Toolkit / Developer Portal.Implement:Bot logic (notifications, listing, approve/reject).React tab interface.Authentication with Microsoft Entra ID.Integration with Medius APIs.Test the solution on Teams Desktop / Web / Mobile.Validate the manifest before submission. Marketplace (ISV) Validation:The developer will ensure the app respects Microsoft’s validation requirements:Proper manifest structure & permission usage.Secure authentication (Auth2, SSO).Responsive Adaptive Cards.Basic accessibility compliance.Stable performance & error handling.Clear app description, terms, and privacy policy.Technologies and environmentMust have: .NET Core (backend + bot logic), React,TypeScript (Teams Tab UI).General software development knowledge: REST API integration, Authentication concepts, Basic cloud concepts . Nice-to-Have Skills & Tools (Not mandatory but useful for a better project outcome): Bot Framework SDK, Adaptive Cards development, Microsoft Entra ID (Azure AD), Auth2 / SSO, Azure Bot Service registration, Teams JavaScript SDK, Azure DevOps (CI/CD, pipelines), Familiarity with Microsoft Teams app lifecycle (manifest, validation, deployment).Mission of the teamThe Medius Procurement team primarily works on the Medius Accounts Payable product. One of the key features we are actively developing is the Email Tracking integration, which helps users access reliable information about the status of sent emails and provides the ability to resend them when needed.Please send your resume in English (resumes in French will be automatically rejected).