Senior Software .Net Engineer

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.comJob OverviewWe are seeking a Senior Full Stack Software Engineer to join our R&D team. This role is ideal for engineers passionate about delivering high-quality, end-to-end business applications into production. You will contribute to a collaborative engineering environment where your ideas are embraced and nurtured, helping shape robust, scalable solutions in an ever-evolving business context.Responsibilities And DutiesContribute to Medius’s codebase as a Senior Full Stack Developer.Lead the architecture, design, and development of high-quality features and solutions.Identify, discuss, document, and communicate technical improvements within your area of responsibility.Provide technical leadership across projects, features, service fundamentals, and tools.Mentor new and junior engineers to accelerate their growth and integration into the development environment.Collaborate closely with technical and non-technical stakeholders to understand requirements and translate them into effective technical solutions.QualificationsMaster’s degree or higher in Computer Science, Mathematics, Engineering, or a related technical field.4+ years of software development experience using C#, .NET, and .NET Core.Strong backend development experience, including RESTful APIs, API design, SQL, and databases.Deep knowledge of frontend technologies such as TypeScript, Angular, React, or Flutter.Experience in agile development environments using continuous deployment and delivery (Git, CI/CD).Ability to architect and design modular, scalable systems (microservices, event-driven architectures, resilience patterns).High standards for UI quality and experience implementing outcomes from UX research and product design.Fluent in English (reading, writing, and speaking).Please send your resume in English (resumes in French will be automatically rejected).