Senior Backend Developer
New
Hybrid (Wrocław) or fully remoteFull-TimeSenior
Salary110 - 140 PLN per hour
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Job Details
- Languages
- English
- Required Skills
- Node.jsSQLRabbitmqTypeScriptC#REST APINosqlMicroservices
Requirements
- Strong commercial experience with either C#/.NET 6 or Node.js with TypeScript.
- Very good understanding of microservices architecture, REST standards, and event-driven systems.
- Hands-on experience with message brokers such as RabbitMQ or Azure Service Bus.
- Practical knowledge of relational databases (SQL Server/PostgreSQL) and NoSQL solutions (MongoDB, Redis, Cosmos DB).
- Familiarity with cloud and containerized environments, including Azure, Docker, Kubernetes, or Linux-based systems.
- Experience working with CI/CD pipelines and modern deployment practices.
- Good communication skills and fluent English.
Responsibilities
- Design and develop backend applications and middleware components for scalable IoT solutions.
- Build and maintain REST APIs, WebSocket communication, and asynchronous integrations.
- Create and optimize data models using relational and NoSQL databases.
- Cooperate on cloud deployments, CI/CD processes, and infrastructure automation.
- Ensure high software quality through TDD, unit testing, and integration testing.
- Work closely with cross-functional teams in an Agile environment.
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