This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Fullstack Engineer (.NET) in Europe.As a Senior Fullstack Engineer, you will play a key role in modernizing and scaling a well-established SaaS product from day one. You will take ownership of the codebase, influence architectural decisions, and drive technical innovation across both frontend and backend systems. Working in a small, autonomous team, you will help define and implement development workflows, CI/CD pipelines, and best practices, while contributing to a product that serves real users. This is an opportunity to shape a product's future, work hands‑on with .NET and React, and collaborate closely with designers and product leads in an agile environment.AccountabilitiesDesign, develop, test, and deploy new product features using .NET (C#) on Azure and React on the frontendMaintain clean, well-documented, and maintainable code, balancing innovation with pragmatismCollaborate with designers, product leads, and engineers to establish a high‑impact development cultureDefine and implement architectural improvements and ensure smooth evolution from legacy systemsTake ownership of development workflows, CI/CD pipelines, testing frameworks, and DevOps automationContribute to continuous improvement initiatives and foster a culture of autonomy, curiosity, and collaborationSupport knowledge transfer and business continuity during the transition from legacy systemsRequirements5+ years of professional experience in fullstack software development, preferably in product‑oriented SaaS companies or startupsStrong proficiency with .NET / C#, Azure, React, and jQueryExperience with SQL Server, T‑SQL, and ORMsProven skills in RESTful API design (Swagger/OpenAPI) and frontend/backend development with attention to usabilityFamiliarity with Git workflows, CI/CD pipelines, automated testing, and Infrastructure as Code (e.g., Terraform, GitHub Actions)Ability to work in a small, fast‑moving team, demonstrating ownership, initiative, and a product mindsetStrong problem‑solving, analytical, and communication skills, with a focus on pragmatic deliveryComfortable contributing to both technical and product strategy discussionsBenefits100% remote work with ultimate flexibility in schedule and locationFreedom to solve problems autonomously while collaborating with a supportive teamMinimal bureaucracy with efficient processes and a focus on sustainable momentumOpportunity to work in a small, friendly, and entrepreneurial team environmentAccess to a network of SaaS professionals for knowledge sharing and mentorshipFlexible time off to recharge as neededChance to contribute to the growth and modernization of a portfolio of SaaS productsThank you for your interest! #J-18808-Ljbffr