Backend Developer (Mid/Mid+)

Must have: +3 years in developing and deploying backend C# .NET Solutions Experience in creating .NET Core services and applications Knowledge of SQL and non-SQL databases (Postgres, Starrocks, Mongo) Knowledge of message brokers (Rabbit, Kafka) Knowledge of building applications for Docker and Kubernetes Good knowledge of design patterns and good programming practices Experience with Visual Studio/Visual Studio Code and Jira English - min. B1 level, allowing daily communication, writing documentation, participation in meetings, etc. Polish at min. communicative level Ability to work at least 3 days a week from our office in Gliwice Nice to have: Bachelor’s or Master’s degree in Information Technology or a similar technical University degree Experience using GenAI tools in daily development workflows (e.g., GitHub Copilot, Amazon Q, Kiro) Experience with monitoring and logging tools (e.g., Prometheus, Grafana) Experience with unit testing and integration testing Experience in working in agile methodologies Opportunity: We are looking for a Backend Developer who will join our scrum team building complex data-driven applications, including Searchlight Cloud. Searchlight Cloud is a highly flexible platform that combines high-definition video surveillance with various data sources, including transactional data from point-of-sale systems, metadata from AI-enabled cameras and other forms of sensor-driven data to give organizations a complete view of their business. Using the platform, corporations can address security and fraud concerns while also gaining insights into operational, compliance, and sales and marketing issues. Why join us? Private healthcare (Medicover) Sport cards (Medicover Sport) Training budget Company lunch once a week English lessons with a native speaker during working hours (1,5h or 45 min a week) - depending on your proficiency level Free parking near the office ,[Working in 2-week sprints, assist with building data-driven applications in a team of backend developers, frontend developers, and QA, Working daily with the scrum, interdisciplinary team, Proposing technical solutions , Creating new features , Preparing documentation , Bugfixing and code refactoring, Code reviews , Collaboration with DevOps /CI/CD Pipelines ] Requirements: SQL, C#, NoSQL, .NET CORE, .NET, Kafka, Docker, Kubernetes, Visual Studio, Jira, Prometheus, Unit testing, Integration test, AI Tools: Jira, Confluence, GIT, Jenkins, Agile, Scrum. Additionally: Sport subscription, Training budget, Private healthcare, International projects, Small teams, English classes, Free coffee, No dress code, Free parking, Free beverages, Modern office, Free snacks, Free lunch, Bike parking.