Senior Fullstack Developer (.NET + Blazor / Angular)

STX Next is a global IT consulting company specializing in customer-focused software services, employing around 500 professionals. They leverage the latest technological advancements and focus on innovation to help customers build outstanding products.

• Minimum 5 years of professional experience as a .NET or Fullstack Developer with strong focus on C#, .NET Framework, and ASP.NET MVC Core.
• Experience with web and cloud technologies, including Blazor, React, Azure Functions, MS SQL, and Entity Framework.
• Solid background in modern architecture, specifically microservices (SOA), event-driven design, Kubernetes, and Docker.
• Deep understanding of engineering best practices including web development principles, SOLID, and Git version control.
• Proficiency in using Agentic AI in daily workflows for code generation, reviews, documentation, testing, and refactoring.
• Experience working in Agile methodologies with initiative and ability to deliver results independently.
• Strong analytical, problem-solving, and communication skills with a drive for technical excellence.
• High adaptability and positive "can-do" attitude with ability to change direction based on lessons learned.
• English proficiency at B2 level or higher.

Nice to have:

• Ability to create containerized applications.
• Ability to choose and configure the correct MCP for project needs.
• Experience with CQRS pattern using MediatR.
• Experience with GraphQL, GRPC.
• Experience with integrating AI tools into team workflows.
• Experience defining and configuring AI-augmented workflows using structured formats (XML, YAML).
• Good understanding of serverless architecture and Azure Cloud/AWS.
• Knowledge of NoSQL databases like MongoDB, Redis, DuckDB.

• Designing, developing, and maintaining applications using .NET technologies.
• Writing clean, maintainable, and efficient code.
• Troubleshooting and debugging applications.
• Implementing security and data protection.
• Collaborating with team members for continuous improvement.
• Staying up-to-date with new technology trends.
• Designing, implementing, and maintaining automated builds and deployment.
• Spreading knowledge about new and relevant technologies among the development team.
• Coding features (data access, business logic, and UI), fixing bugs, and writing unit tests.
• Testing and documenting to help the team achieve goals.
• Helping with production issues.
• Helping to develop and maintain the DevOps culture in the organization.
• Conducting code reviews of other team members.

The Controller of your personal data is STX Next spółka akcyjna with registered office in Poznań. Personal data will be processed to carry out the recruitment process and future recruitment processes if consent is given. Applicants have rights to access, rectify, erase data, restrict processing, data portability, and withdraw consent without affecting processing lawfulness prior to withdrawal. Personal data will be processed within STX Next Group.