Senior Backend .NET Developer

ppAs a Senior Backend Developer at Vision Healthcare, you’ll join a focused team of four backend engineers. Your role goes far beyond writing code—you’ll shape the system architecture, anticipate scaling challenges, and help define the future of our backend platform. /p pWe value technical expertise and fresh ideas, giving you both the freedom and the time to experiment with new frameworks, tools, and approaches that can make a real impact. /p h3Your job in a nutshell /h3 pOur backend team builds, maintains, and continuously improves Microservices backend – the core system that powers orders, invoices, customers, payments, subscriptions, and more. Coltan consists of microservices written in b.NET 8 /b, running on bAzure /b, and deployed through bAzure DevOps pipelines /b. /p pFor service-to-service communication we use bNServiceBus /b and bRabbitMQ /b; data is stored in bSQL Server /b and bElasticSearch /b. You’ll also work with bAdyen /b for payments, bCommerce Tools /band various bAzure components /b like Service Bus, Key Vault, etc. /p h3Your responsibilities: /h3 ul liWrite clean, high-quality, and maintainable code /li liCollaborate with the team to design solutions and solve problems /li liContribute to architecture and system design /li liEnsure software quality through testing and reviews /li /ul h3What you’ll be working on: /h3 pMuch of our backend is custom-built, but we’re actively moving functionality to SaaS solutions where it makes sense. For example, we’re migrating customer data from an event-sourced microservice into bCommerceTools /b, a platform that manages customers, carts, products, discounts, and orders. /p pThis migration involves moving millions of records, writing temporary support software, building new microservices, and solving plenty of technical challenges along the way. Projects like these give you the opportunity to make an impact while tackling real-world scaling and integration challenges. /p h3Why it’s great to be a Backend Engineer at Vision Healthcare: /h3 pWe keep our backend team small and efficient, so decisions are fast and improvements happen continuously. You’ll spend your time designing and building—not sitting in endless meetings. /p pOur minimal meeting culture and focus on shipping features means you’ll actually see your work in production and contribute directly to the evolution of our platform. /p h3This is you: /h3 ul liYou enjoy working across the full development cycle—designing, building, and deploying features end to end. /li liYou have hands‑on experience with microservices, b.NET 8 /b, SQL and Azure. /li liYou thrive on solving complex technical challenges. /li liYou’re fluent in English (Dutch is a plus). /li liYou bring enough relevant experience to confidently call yourself a bSenior Backend Engineer /b. /li liYou currently live in the Netherlands. /li /ul h3This is what we offer you: /h3 ul liHybrid working with flexibility for office and home. /li lib26 paid vacation days /b per year. /li lib75% pension contribution /b from us; /li liGreat opportunities for personal learning development. /li liMonthly allowances: b€20 internet /b + b€20 phone /b. /li liTravel cost reimbursement for office days. /li liUnlimited access to bmental well‑being support /b via OpenUp. /li liFree daily lunch with a fully stocked kitchen. /li liRegular team events, parties, and Friday afternoon drinks. /li /ul h3Interested? Let’s go! /h3 ul liApply with your CV and motivation letter via the button below. /li liWe’ll start with a short introductory call with bDiederik Oostburg /b. /li liIf there’s a match, you can expect a maximum of btwo interview rounds /b. /li liBefore the second interview, we’ll ask you to complete a small assignment. /li /ul h3About Vision Healthcare (VHC) /h3 pVision Healthcare (VHC) is a fast‑growing European company with a broad portfolio of direct‑to‑consumer brands. We manage a range of supplement, wellness, and beauty brands including Flinndal, Purasana, Vitaminen op Recept, VitaminExpress, Bärbel Drexel, and Vitamaze. /p pOur Haarlem office is the e‑commerce engine behind these brands — and we’re growing fast. That’s why we’re looking for another talented developer to join our team. /p h3Seniority level /h3 pMid‑Senior level /p h3Employment type /h3 pFull‑time /p h3Job function /h3 pInformation Technology /p h3Industries /h3 pPharmaceutical Manufacturing /p /p #J-18808-Ljbffr