.Net Backend Developer

New

7NATS products

Warszawa, Puławska 182, Warszawa, Country code: PLFull-TimeSenior

Salary30,240 - 36,960 PLN per month

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Job Details

Languages: English C1, Polish C1
Experience: 10+ years
Required Skills: Artificial IntelligenceOAuth.NETMicroservicesDistributed Systems

10+ years of experience building backend and/or distributed systems
Strong architectural mindset with hands-on engineering experience
Fluent English (C1 level) with the ability to discuss complex technical topics
Proficiency in Polish (C1 level)
Actively coding with AI tools and belief in their role in the future of software engineering
Deep understanding of system reliability, scalability, and failure modes
High degree of ownership, self-motivation, and proactivity in solving problems
Proficiency in .NET development

Use AI tools to accelerate architecture exploration, prototyping, and boilerplate creation
Critically evaluate AI-generated code, especially for distributed-systems edge cases
Own architectural decisions and guide system evolution
Design and evolve modular monoliths and microservices, including event-driven architectures
Build reliable integrations with external systems using retries, circuit breakers, and versioning
Apply Domain-Driven Design (DDD) to align system architecture with business processes
Design secure-by-default systems utilizing OAuth2, JWT, managed identities, and rate limiting
Ensure production readiness through observability and ownership of incidents

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