Backend Developer (.Net Core) - Member Lifecycle & User engagement (H/F/X)

Pioneer of online flash sales since 2001 and key player in European e-commerce, Veepee collaborates with over 7,000 brands to offer highly discounted products available for a limited time. Operating across various sectors, including fashion, home, wine, travel or beauty... Veepee achieved a turnover of 3.3 billion euros incl. VAT in 2024 and employs 5,000 staff members across 10 countries. 📄 JOB DESCRIPTION Today we're looking for a software engineer who will join the Member Life Cycle - User Engagement team 🎯 TASKS Develop new features across APIs, background workers, importers, schedulers, and event-driven services. Integrate with internal and external platforms through HTTP APIs, messaging systems, and data pipelines. Ensure code quality through clean design, code reviews, automated tests, and observability best practices. Contribute to the reliability, scalability, and performance of distributed applications running in production. Work closely with Product, Data, and other engineering teams to refine needs and turn them into robust technical solutions. Write clear technical documentation and share knowledge with the team. Handle the technical interviews with other developers willing to join . 👉 MUST HAVE skills 5+ years of experience in backend software development. Strong hands-on experience with C# and .NET. Solid experience building and maintaining APIs, asynchronous processing, and distributed backend systems. Good knowledge of relational and non-relational databases, especially PostgreSQL and Cassandra. Experience with event-driven architectures and messaging platforms such as Kafka or RabbitMQ. Experience designing and troubleshooting integrations with external/internal services over HTTP. Strong focus on code quality, including unit tests, integration tests, and production readiness. Comfortable working on systems with concurrency, resiliency, failure handling, and operational constraints. Fluent in English. Product-minded, pragmatic, and able to balance technical quality with delivery priorities. 👉 NICE TO HAVE skills Experience with DDD, Clean Architecture, or modular backend design. Experience with Dapper, SQL-heavy applications, and performance-oriented data access. Experience with distributed workers, schedulers, batch/import pipelines, or background jobs. Experience with observability, logging, monitoring, and troubleshooting production issues. Experience with Postgres, Cassandra, Kafka, ElasticSearch Experience with AI-related systems such as LLMs, agents, or MCP. ✅ BENEFITS Variable bonus; The dynamic and creative environment within international teams; The variety of self-education courses on our e-learning platform; Participation in meetups and conferences locally and internationally; Flexible Office with up to 2 days at home. ⚙️RECRUITMENT PROCESS 1️⃣ 30-minute HR Screen with a Veepeeᵀᵉᶜʰ Recruiter 2️⃣ General Technical exchange 3️⃣Technical exchange with a tech lead 4️⃣Team Interview We are convinced that it is up to you to define the way you work, to develop yourself, and to progress. At Veepee we guarantee that you can just be yourself! For the service of diversity and inclusion, Veepee is committed to reviewing all applications received on an equal basis. 🔗COMPANY For more information about our ecosystem: https://careers.veepee.com/en/home-page-en/ The Veepee Group processes your data collected as part of the management of your recruitment in order to manage your application file for the position for which you have applied. To find out more about our personal data protection policy , we invite you to consult it on our career site.