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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # software engineer - **Company:** Veepee - **Location:** Inconnu, France - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Multitier Architecture, A/B Testing, Application Programming Interfaces (APIs), Artificial Intelligence, Automation of Tests, Unit Testing, Software Quality, Code Review, Data Security, Elasticsearch, PostgreSQL, Enterprise Messaging Systems, RabbitMQ, SQL Databases, Data Logging, Large Language Models, Backend, Event Driven Architecture, Integration Tests, Cassandra, Apache Kafka, Non-relational Database, Data Pipelines - **Published:** September 5, 2026 - **Apply:** https://startup.jobs/backend-developer-net-core-navigation-team-freelance-w-m-x-veepee-8040509 ## About the Role * 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. * Strong skills in monitoring, operational support, incident management, observability, and A/B testing are particularly valuable. * Good knowledge of relational and non-relational databases, especially PostgreSQL and Cassandra * 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, ElasticSearch * Experience with event-driven architectures and messaging platforms such as Kafka or RabbitMQ. * Experience with AI-related systems such as LLMs, agents, or MCP. ## Description Today we're looking for a software engineer who will join the Navigation team. This team ensures our website and apps present the most attractive storefront experience every day., * 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 <veepeeTech/>. ## Related Videos - [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) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Beyond Kafka & RabbitMQ: Why NATS is the Future of Microservices Messaging](https://www.wearedevelopers.com/videos/1646-beyond-kafka-rabbitmq-why-nats-is-the-future-of-microservices-messaging) - [Maximising Cassandra's Potential: Tips on Schema, Queries, Parallel Access, and Reactive Programming](https://www.wearedevelopers.com/videos/1167-maximising-cassandra-s-potential-tips-on-schema-queries-parallel-access-and-reactive-programming) - [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) - [Building Real-Time AI/ML Agents with Distributed Data using Apache Cassandra and Astra DB](https://www.wearedevelopers.com/videos/782-building-real-time-ai-ml-agents-with-distributed-data-using-apache-cassandra-and-astra-db) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)