Fullstack Developer (Golang & React)

ScaloIoT software

Workplace type: remote; Locations: Warszawa, Centrum, Warszawa, Country code: PLContractSenior

Salary140 - 150 PLN per hour net b2b

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Job Details

Have very good knowledge of Go, including goroutines, channels, and context.
Have experience building production backend services.
Have very good knowledge of React 19, Next.js App Router, and TypeScript.
Have experience designing and developing APIs using REST, gRPC, and OpenAPI.
Know event-driven architecture and asynchronous communication systems such as Kafka.
Have experience managing application state, handling real-time data, and building interfaces with Tailwind CSS.
Know NextAuth, JWT, authorization mechanisms, and role-based access control.
Have experience with Prisma, PostgreSQL, time-series databases, and validation libraries such as Zod.
Know application scalability, high availability, and security.
Have experience with OpenTelemetry, Prometheus, and backend and frontend testing, including Go testing, Jest, and Testing Library.
Have practical knowledge of Git and CI/CD, and experience working with a distributed team.
Know English at C1 level.

Design and develop backend services and APIs in Go.
Develop and maintain the web application using React 19, Next.js, and TypeScript.
Build event-driven solutions, asynchronous communication, and IoT device integrations using MQTT.
Design and develop REST, gRPC, and OpenAPI APIs, and integrate relational and time-series databases.
Implement alarms, notifications, device status, and real-time data handling.
Build scalable, highly available solutions, including for Edge Computing scenarios.
Develop user interfaces and dashboards, and implement authentication and authorization mechanisms.
Maintain code quality, security, and testability; develop observability and integrate with CI/CD processes.
Collaborate with the architect and DevOps, Flutter, and QA teams in a distributed project environment.

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