Senior .NET Developer (Automotive CRM Platform)

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Senior .NET Developer (Automotive CRM Platform)

We are currently looking for an experienced Senior .NET Developer to support the development of new functionalities for an existing CRM application, working in an environment based on microservices architecture, event-driven solutions, and modern AI tools supporting the software development process.

Tech stack: .NET 8 | ASP.NET Core | Kafka | SQL | Microservices | AWS | Angular | Docker | Terraform | GitHub Actions | AI Assisted Development | MCP Servers | LLM Fundamentals.

Responsibilities:

• Design and develop new CRM functionalities using .NET 8
• Build and enhance APIs in ASP.NET Core
• Develop distributed systems based on microservices architecture
• Integrate services and implement inter-system communication using Kafka
• Participate in code reviews and technical solution design
• Utilize AI tools supporting software development across the SDLC
• Ensure performance, scalability, and reliability of developed solutions
• Participate in technical discussions with the client
• Support architectural decision-making

Offer:

• Private medical care
• Co-financing for the sports card
• Constant support of dedicated consultant
• Employee referral program

Requirements:

• Strong experience in .NET 8 and ASP.NET Core
• Hands-on experience with Minimal APIs and Dependency Injection
• Proven experience with microservices architecture
• Practical knowledge of event-driven systems
• Experience with Kafka or other message brokers
• Strong SQL skills and query optimization experience
• Ability to design high-performance and scalable applications
• Familiarity with AI Assisted Development tools and practices
• Proven experience working as a Senior .NET Developer in commercial projects
• Experience in web and backend application development
• Practical experience with code reviews and collaboration with business stakeholders
• Ability to communicate effectively in English at B2 level or higher

Nice to have:

• Experience with Angular 2+, TypeScript and RxJS
• Experience with AWS
• Familiarity with GitHub Actions, Docker and Terraform
• Experience with PostgreSQL or SQL Server
• Knowledge of OpenTelemetry, Serilog, Grafana and CloudWatch
• Understanding of LLM & AI Fundamentals
• Familiarity with Spec Driven Development
• Knowledge of AI Assisted SDLC
• Familiarity with MCP Servers

English

• B2

• .NET
• ASP.NET Core
• Minimal APIs
• Dependency injection
• Microservices
• Event-Driven Architecture

• Kafka
• SQL
• Performance testing
• AI Assisted Development
• Code review
• Web development
• Backend

• Polski
• Angielski

• 21.8k–23.5k PLN netto/m (B2B)
• B2B - Stałe godziny pracy (100%)
• Praca zdalna: W całości
• Pakiet medyczny, Pakiet sportowy