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Senior Backend Developer C# or Nodejs

Wrocław, dolnośląskie🌐 Remote💼 Full-time💰 $110–$140🗓 2026-05-30 → 2026-08-09

Core

Designing and developing scalable backend applications, middleware components, and API layers for modern IoT platform solutions.

Role type

Senior Backend Engineer (IoT)

Builds

Scalable IoT platform solutions, API and middleware layers for mobile, web, and internal systems

Domain

Internet of Things (IoT), Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

C#/.NET 6, Node.js with TypeScript, Microservices architecture, REST standards, Event-driven systems, Message brokers (RabbitMQ, Azure Service Bus), Relational databases (SQL Server, PostgreSQL), NoSQL solutions (MongoDB, Redis, Cosmos DB), Cloud platforms (Azure), Containerization (Docker, Kubernetes), CI/CD pipelines

Preferred skills

Git workflows, Monitoring and logging tools in cloud environments

Technologies

C#, .NET 6, Node.js, TypeScript, RabbitMQ, Azure Service Bus, SQL Server, PostgreSQL, MongoDB, Redis, Cosmos DB, Azure, Docker, Kubernetes, Linux

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

Seniority

Senior, hands-on IC

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