Informacje o stanowisku

Be part of SIENN — a company that values innovation, teamwork, and continuous learning. Work with experienced professionals on meaningful projects and expand your skills in a supportive international environment.

What we offer:

• B2B rate: up to 140 PLN/h
• Work in an international project environment
• Access to international training and certifications (e.g. Microsoft MCP)
• Opportunities for professional development and knowledge sharing
• Possibility to access optional benefit platforms (medical care, sports card, insurance, language courses)
• Collaborative and supportive project environment

Required skills & experience

• Advanced experience with MS SQL Server (T-SQL), including stored procedures, functions, and error handling
• Strong background in .NET backend development
• Proficiency in C#
• Hands-on experience with the Azure environment
• Familiarity with Azure DevOps
• Ability to write clean, maintainable, and well-documented code
• Understanding of deployment processes and release pipelines
• Openness to and experience with AI-assisted development tools
• Strong problem-solving skills and attention to detail
• Proficiency in English (spoken and written)
• Proactive and self-driven mindset

Nice to have:

• Experience with Supabase (PostgreSQL)

Soft skills:

• Openness in communication within an international team, including constructive challenge and initiative-taking
• Proactive attitude and willingness to take ownership
• Ability to collaborate effectively in a distributed, multicultural environment

Be part of SIENN — a company that values innovation, teamwork, and continuous learning. Work with experienced professionals on meaningful projects and expand your skills in a supportive international environment.

What we offer:

• B2B rate: up to 140 PLN/h
• Work in an international project environment
• Access to international training and certifications (e.g. Microsoft MCP)
• Opportunities for professional development and knowledge sharing
• Possibility to access optional benefit platforms (medical care, sports card, insurance, language courses)
• Collaborative and supportive project environment

,[As a Backend Developer, you will be responsible for driving backend project ownership, delivering second-level support, and actively promoting continuous improvements across systems, processes, and code quality. This role involves managing both legacy and modern projects while working independently within a small team environment. The ideal candidate is a proactive problem solver, adaptable across diverse systems and technologies, and thrives in dynamic, multi-project settings. Requirements: .NET, Microsoft Azure, MVC, .Net, C#, AI, MS SQL, Supabase (PostrgreSQL) Additionally: Sport Subscription, Training budget, International environment, Language courses, Knowledge sharing, Life insurance, Private healthcare, Free coffee, Modern office, Bike parking, Free parking, No dress code, Free snacks.

Praca Wrocław

Wrocław - Oferty pracy w okolicznych lokalizacjach