Our client is looking for a motivated Backend Developer (.NET/C#) to join their dynamic teams and help transform & modernize trading and banking systems.Currently, they're refactoring core systems into MicroServices on AWS, using Domain Driven Design principles. What you'll doJoin the Trading, Investing & Saving (Tisa) Team, driving the online banking platform & financial products.Collaborate with developers, analysts, DevOps, testers, product owners & Scrum masters.Plan, estimate, deliver features in two-week sprints.Participate in agile ceremonies & enjoy a flexible 50% remote policy. Your profileA strong team player with a sense of ownership & responsibility.Able to work independently, from analysis to delivery.Curious about banking, trading, and new technologies.Pragmatic, meticulous, and eager to improve systems.Requirements:Degree in IT/engineering OR 5+ years' backend development experience.Solid analysis & business translation skills.Agile experience.Technical must-haves:.NET with C#, ASP.NETasync/await, OOP, SOLIDORM (NHibernate/Entity Framework)API design (REST/gRPC, OpenAPI/Swagger)Relational DBs (MSSQL/MySQL)Unit testing, mocking, GITLanguages:English (fluent)Dutch/French = plusNice-to-haves (bonus):MicroServices architectureEvent-driven designNServiceBus / RabbitMQDomain Driven DesignCI/CD Why join? Because you'll be part of an innovative online banking project, shaping the future of financial systems with cutting-edge tech and a supportive team.Interested? Send us your CV and let's connect!