Senior Software Engineer (.NET / C# + React)
New
U
Upvanta sp. z o.o.Software Engineering
Wrocław, Warszawa, Kraków, Poznań, Gdańsk, PLFull-TimeSenior
Salary18,900 - 23,100 PLN per day
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Job Details
- Required Skills
- Microsoft SQL ServerMongoDBTypeScriptC#Azure.NETRedisReact
Requirements
- Strong commercial experience with .NET and C#
- Experience with SQL Server or other relational databases
- Proficiency in building and maintaining APIs, integrations, and asynchronous systems
- Experience working with cloud applications on Microsoft Azure
- Ability to work with React and TypeScript on the frontend
- Experience managing features from initial design through to production
- Strong technical communication skills for architectural discussions
- Familiarity with MongoDB, Redis, SignalR, or Ocelot is a plus
- Experience in financial, tax, or regulated industries is a plus
- Experience in mentoring or technical leadership is a plus
Responsibilities
- Develop backend services and HTTP APIs
- Implement core business logic and system integrations
- Work with SQL and NoSQL databases and asynchronous processing
- Develop and maintain applications within the Microsoft Azure ecosystem
- Deliver end-to-end functionality across the full technology stack
- Develop frontend components using React and TypeScript
- Participate in architectural decision-making and solution design
- Perform code reviews to ensure high code quality
- Provide technical support and mentorship to less experienced team members
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