Backend Developer @ SIENN Poland

Backend Developer

We are SIENN Living Online Technology! Let’s grow with us! Do you want to be a part of something meaningful? We are working on an international project in the financial sector for a Dutch Client specializing in audits, accounting, payroll, HR, and tax advisory.

Project Information : We are supporting the development and modernization of an existing accounting application.

Technology stack :

• ASP .Net Core MVC, .Net 8.0, C#
• Azure
• Entity Framework
• Git, MS SQL Server

What we offer :

Attractive remuneration : B2B 14 500 – 23 000PLN / month net (includes 26 days of paid days off)

100% remote work opportunity available

We care about our employees’ development and stability

Work in an international environment

International training and certifications (e.g., Microsoft MCP)

Continuous personal growth : defined career paths, additional training leave, and training budget

Medical package, Multisport card, life insurance, and language courses

Modern office

Knowledge sharing sessions : e.g., Agile Coffee / Agile Knowledge Sharing, Tech-Zone, Chillout Zone

A great workplace atmosphere!

Requirements :

Nice to have :

Backend Developer

We are SIENN Living Online Technology! Let’s grow with us! Do you want to be a part of something meaningful? We are working on an international project in the financial sector for a Dutch Client specializing in audits, accounting, payroll, HR, and tax advisory.

Project Information : We are supporting the development and modernization of an existing accounting application.

Technology stack :

What we offer :

Attractive remuneration : B2B 14 500 – 23 000PLN / month net (includes 26 days of paid days off)

100% remote work opportunity available

We care about our employees’ development and stability

Work in an international environment

International training and certifications (e.g., Microsoft MCP)

Continuous personal growth : defined career paths, additional training leave, and training budget

Medical package, Multisport card, life insurance, and language courses

Modern office

Knowledge sharing sessions : e.g., Agile Coffee / Agile Knowledge Sharing, Tech-Zone, Chillout Zone

A great workplace atmosphere!

As a Backend Developer, you will : , Build and modernize backend services using ASP .NET Core MVC and .NET 8.0 , Participate in migration to Microsoft Azure , Ensure code quality and scalability , Collaborate with international teams ] Requirements : .NET, Microsoft Azure, MVC, .Net, C#, Entity Framework, MS SQL Server, REST API, API, Docker Additionally : Sport Subscription, Training budget, International environment, Remote work, Language courses, Knowledge sharing, Life insurance, Paid vacation, Private healthcare, Free coffee, Modern office, Bike parking, Free parking, No dress code, Free snacks.