Senior .NET Developer

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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.

• 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.

• 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.

• 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.

• C#
• .NET
• PostgreSQL

• Kubernetes
• Azure
• Python
• Event-Driven Architecture
• Asynchronous messaging systems
• Independent work
• Cross functional teamwork
• Apache Iceberg
• GreptimeDB

• Polski
• Angielski

• 26k–31k PLN netto/m (B2B)
• B2B - Elastyczne godziny pracy (100%)
• Praca zdalna: Hybrydowo

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.