GASBI is a Ukrainian product company that builds innovative SaaS solutions for the gas distribution sector. We are transforming the gas infrastructure industry in Ukraine by digitizing the full cycle of natural gas consumption and billing.

GASBI product ecosystem includes web platforms and mobile applications for both business users and consumers.

We are looking for a talented Senior Software Engineer to join our core development team and shape the future of our product together with us.

Responsibilities:

- Active participation in an agile development team

- Design and development of backend product logic with a focus on scalability and performance

- Leading and conducting expert code reviews

- Writing clean, maintainable, and well-tested code in C#

- Integration with databases, external APIs, and internal microservices

- Evaluating and implementing new tools, libraries, and approaches to improve development quality

- Driving continuous improvement of the codebase in terms of productivity, usability, and stability

Requirements:

- Solid understanding of OOP principles and software design patterns

- Experience in designing software architecture and technical solutions

- Practical experience with microservices architecture, scaling, logging, monitoring, and observability (logging, traces, metrics, etc.)

- Hands-on experience developing RESTful APIs

- Proficiency with ASP.NET Core: Web API, Middleware, Routing, Filters

- Experience working with SQL databases (MS SQL Server, PostgreSQL, or MySQL) and ORM libraries (Entity Framework Core, Dapper)

- Experience writing unit and integration tests

- Practical knowledge of Docker and Docker Compose

Would be a plus:

- Basic understanding of Kubernetes

- Experience working with cloud platforms: Azure, AWS, or GCP

- Experience with NoSQL databases

- Knowledge of authentication and authorization mechanisms: Identity Providers, OAuth2/OpenID, token-based access