Senior Software Engineer.NET C#

pAt Rydoo, we make expense management simple, so people can focus on the important work, not their receipts. More than one million users trust us to submit, approve, and control expenses faster and smarter. /ppSemine shares that same mission. Since 2015, the team has been building AI technology that removes the repetitive, time-consuming parts of accounting, helping finance teams work smarter. /ppIn July 2025,Semine joined forces with Rydooto shape the future of financial automation. Together, we’re creating a complete, AI-powered platform that simplifies accounts payable and expense management, helping businesses run simpler, faster and smarter financial operations. /ppWe’re a global team of +200 people who believe great tech should make life easier. If you have big ideas and want to build something that actually helps people, you’ll fit right in. /ph3Rydoo in a snapshot /h3ulliAmbitious international team /lili33 nationalities speaking over 15 languages /lili240+ employees across multiple countries /liliEasy-to-use spend management app available on iPhone and Android /liliSupporting over 10,000+ clients and 1 million+ users worldwide /lili4.6 employer score on Glassdoor /liliHybrid work policy /li /ulh3The Role /h3pAt Rydoo, we build smart, simple solutions that help people spend less time on expenses and more on what matters. /ppAs a Senior Software Engineer, you will: /pulliWork in one of our squads, a cross-functional, autonomous team. /liliShape the core of our product
- designing and extending systems that make expense management faster and smarter for thousands of users worldwide. /liliBring valuable features into production and follow up on their performance and maintenance. /liliContribute on front-end features. /liliDesign and implement REST APIs. /liliHelp architect several of our microservices. /liliDesign and write automated tests. /liliSetup infrastructure and pipelines via Infrastructure as Code (IaC). /li /ululliSeveral years of experience with backend development. /liliGood knowledge of .
NET, C#. /liliExperience with Angular is a plus, but having the curiosity and willingness to further strengthen your front-end knowledge is also much appreciated. /liliKnowledge of Entity Framework (or any ORM like NHibernate) and SQL Server or similar. /liliA team player with a passion for writing clean and testable code within a cross-functional team. /liliExperience in optimising the performance and scalability of applications to support our ever-growing user base. /liliExperience with Service Oriented Architecture using Service Bus to connect everything is a plus. /liliKnowledge of Azure Cloud (or AWS, GCP) is a plus. /liliAgile and DevOps experience is a plus. /liliExperience with LLMs is a plus. /liliAbility to stay up-to-date with industry trends, best practices, and emerging technologies to continuously improve our development processes and drive innovation. /liliA degree in computer sciences or a related field is preferred, but any equivalent experience is just as valuable. /li /ulpNext to our amazing team, informal international company culture and our mission to become the number 1 spend and invoice management platform in Europe,

we offer
some nice benefits that make working at Rydoo / Semine even more fun: /pulliA competitive package, including salary and benefits /liliUpskilling through training and coaching programs /liliHybrid Work Policy /liliProfessional freedom and a flexible work environment /liliRegular company and team events /liliWonderful international team with more than 33 different nationalities /liliSpectacular onboarding program for all new joiners /li /ulh3Why Join Us /h3pAt Rydoo / Semine, we celebrate diversity and are committed to creating an inclusive environment for all employees. We value and encourage ongoing learning opportunities and career progression. /ppLinkedIn: /ppGlassdoor: /ppInstagram: /ppYouTube: /ppInside Rydoo Blog: /p