Senior Net Developer

**Czym będziesz się zajmować?** Project and responsibilities: * Develop and improve a software tool for tailor made heating and cooling solutions used by customers worldwide. * Design and develop event driven services, cloud infrastructure and user facing applications. * Build scalable analytics, distributed event processing and real time operational insights for intelligent heating and hot water management. * Work with backend, frontend and platform engineers in the energy and smart building industry. * Use C#, .NET, Python, Apache Kafka, Apache Iceberg, PostgreSQL, GreptimeDB, time series databases, React, TypeScript, Kubernetes, Azure Cloud, SpiceDB and ReBAC. What the offer provides: * Work on sustainable, cost efficient and climate friendly heating and cooling solutions. * Flexible hybrid work from Gdynia, Kraków, Warszawa or Rzeszów. * Regular integration meetings within the Jit community. **Kogo poszukujemy?** Key requirements: * Senior level and at least 5 years of commercial experience with C# and .NET. * Hands on Kubernetes experience and basic Azure cloud knowledge. * Practical Python and strong practical PostgreSQL experience. * Experience with event driven architecture and asynchronous messaging systems. * English proficiency at minimum B2 level. * Ability to work independently and as part of a cross functional engineering team. Nice to have: * Experience with migration and platform transformation projects. * React and TypeScript skills. * Python experience in data engineering, analytics, ETL and data processing. * Hands on Apache Kafka experience. * Experience with modern data platform ecosystems and cloud native architecture design. **Czego wymagamy?** 5 lat doświadczenia na podobnym stanowisku Znajomości: * C# * .NET * PostgreSQL Mile widziane: * Kubernetes * Azure * Python * Event-Driven Architecture * Asynchronous messaging systems * Independent work * Cross functional teamwork * Apache Iceberg * GreptimeDB Języki: * Polski * Angielski **Jakie warunki i benefity otrzymasz?** * 26k–31k PLN netto/m (B2B) * B2B - Elastyczne godziny pracy (100%) * Praca zdalna: Hybrydowo **Kim jesteśmy?** We provide complete software development teams, who will take complex care of your software. We are experienced in building teams uniquely suited to the specific needs of our clients. One team - a range of skills, diverse personalities, and various approaches.