Regular .NET Developer

O projekcie: We’re looking for a Mid .NET Developer to join a small, 3-person team (Tech Lead + 2 Mid Devs) working on a key part of the product: a search and price comparison engine. The goal is a major rebuild focused on improving search relevance, performance, and scalability. New services are being built in Azure (modern stack), and the solution also leverages OpenAI extensions. Wymagania: - Commercial experience as a Mid .NET Developer (C#, .NET) - Hands-on experience with a search engine: Azure Cognitive Search preferred, Elasticsearch accepted - Experience with a non-relational database: Cosmos DB preferred, MongoDB accepted - Familiarity with messaging/event-driven solutions: Azure Event Bus / Service Bus preferred, Kafka (or similar) accepted - Strong quality mindset (testing, debugging, performance) and good teamwork skills Nice to have - Experience with search relevance/ranking, offer/price comparison, or performance optimisation - Exposure to OpenAI-based solutions (integrations, enrichment, search assistance) - Azure-native experience (observability, security, CI/CD practices) Codzienne zadania: - Develop backend services in .NET/C# for the search and price comparison platform - Rebuild and optimise search mechanisms (indexing, ranking, filtering, performance) - Work with NoSQL data stores (e.g., Cosmos DB / MongoDB) and model data for search use cases - Implement asynchronous, event-driven integrations between services (queues / event bus) - Collaborate closely with the Tech Lead and the other developer: technical planning, code reviews, delivering increments - Maintain high quality standards: testing, clean code, monitoring and logging in a cloud environment