> Markdown version of [/jobs/ext/2989984-senior-backend-focused-fullstack-engineer-net](https://www.wearedevelopers.com/jobs/ext/2989984-senior-backend-focused-fullstack-engineer-net). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Backend-Focused Fullstack Engineer (.NET) - **Company:** Travel Diaries - **Location:** Belgium - **Experience:** Expert - **Salary:** €48,000.0 - €66,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), .NET Framework, Artificial Intelligence, Application Integration Architecture, Microsoft Azure, C Sharp (Programming Language), Cloud Computing, Code Review, DevOps, Distributed Systems, Microsoft SQL Server, NoSQL, Nunit, Next.js, Search Technologies, SQL Databases, ReactJS, Delivery Pipeline, Large Language Models, Reliability of Systems, Backend, Xunit, Containerization, Kubernetes, Front End Software Development, Api Gateway, Restful APIs, Docker, Microservices - **Published:** September 19, 2026 - **Apply:** https://www.adzuna.be/details/5889441218 ## About the Role * 5+ years experience in backend-heavy fullstack engineering. * Expert-level .NET/C# skills. * Strong experience with microservices and distributed systems. * Extensive hands-on experience with Azure * Strong understanding of SQL Server, plus experience with NoSQL databases. * Solid experience with Docker and Kubernetes. * Experience maintaining production-grade CI/CD pipelines. * Strong communication skills and experience working in small, autonomous teams. * A proactive, entrepreneurial mindset - you make things happen, not wait for instructions. * Passion for shipping high-quality, user-facing features. Nice to Have * Experience with AI/LLM-driven features. * Frontend knowledge: React, Next.js. * Testing frameworks: xUnit, NUnit, Jest, RTL. ## Description We're seeking a Senior Backend-Focused Fullstack Engineer to own and evolve the backend foundation of our platform. You will work in a small, highly motivated dev team consisting of: * 1 Senior Frontend Engineer * 1 Mobile Developer * 1 Product Owner * You (Backend-Focused Fullstack Engineer) This role comes with end-to-end ownership, plenty of autonomy, and the opportunity to shape our technical future across multiple international labels. We need someone who is highly proactive, entrepreneurial, and fully self-directed - someone who takes initiative, proposes solutions, and thrives in a small, fast-moving environment. Because AI-powered features are becoming a core part of our roadmap (e.g. story generation, personalization, automation, smart content selection), experience integrating modern AI tools is a big advantage. You will contribute directly to essential engineering and business goals: * Improve development velocity across all our labels. * Ensure backend scalability for a rapidly growing B2C + B2B2C ecosystem. * Guarantee system reliability across our six microservices. * Advance our cloud infrastructure with deep Azure expertise. * Infuse AI capabilities into our journaling products. * Collaborate tightly with frontend, mobile, and product to ship high-quality features quickly. * Take ownership of architectural decisions and long-term technical strategy. Backend Engineering (Primary Focus) * Develop and maintain backend services in .NET/C# within our microservices architecture (currently 6 services: API Gateway, Basket, Diary, Order, Product, Shipment). * Build efficient, secure, and well-documented RESTful APIs. * Work with SQL Server and complementary NoSQL databases. Azure Cloud & Infrastructure (Mandatory) Everything runs in Azure, Azure expertise is an absolute must. You will: * Maintain and expand our Azure-based infrastructure (App Services, Storage, SQL, Monitoring, etc.). * Manage CI/CD pipelines using Azure tooling. * Guarantee performance, cost efficiency, and reliability in Azure. * Set up and maintain observability, monitoring, and automated scaling. Containerization & DevOps * Work heavily with Docker. * Manage and operate infrastructure using Kubernetes. * Improve deployment workflows and engineering productivity. AI Integration * Experiment with and integrate AI tools (LLMs, embeddings, vector search, auto-summarization, content generation, etc.). * Help shape new AI-powered journaling experiences. Frontend Support (Secondary) * Assist with React/Next.js integrations when needed, ensuring smooth backend-frontend interaction. Collaboration & Leadership * Act as a key partner to product and design. * Participate in code reviews and mentor team members. * Bring forward ideas that make our platform faster, stronger, and smarter. ## Related Videos - [pytest: Simple, rapid and fun testing with Python](https://www.wearedevelopers.com/videos/213-pytest-simple-rapid-and-fun-testing-with-python) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Using code generation for test automation – the fancy way](https://www.wearedevelopers.com/videos/230-using-code-generation-for-test-automation-the-fancy-way) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) ## Related Articles - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023)