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December 17, 2025

Senior Full Stack Developer (.Net+React)

Senior • Remote

$5,500 - $6,565/

Warsaw, Poland

#4202


Our client is the world's largest automotive safety supplier.

N-iX team will work on a system that is used to control quality of production process as well as quality of produced items. We are looking for Senior Full Stack Developer to join our team.



Requirements:

- At least 4 years of commercial experience as Full Stack Software Developer.

- Proficient in TypeScript/JavaScript, Azure Functions.

- Backend expertise with .NET, RESTful API development, authentication, and authorization.

- Frontend development with React, Composition API, and internationalization.

- Strong debugging and optimization skills across full stack.

- Experience with Azure Functions, Azure SQL, and data exchange with Snowflake.

- Familiarity with message queues, pub/sub patterns, and distributed systems.

- Unit and integration testing.

- Experience with Agile methodologies and tools like JIRA/Confluence.

- Good verbal and written communication skills.

- At least Upper-Intermediate level of English.


Responsibilities:

- Implement core backend logic, APIs, and integrations.

- Develop Azure Functions and work with Azure SQL.

- Ensure performance, reliability, and security of backend components.

- Develop and maintain frontend features using React, ensuring responsiveness and usability.

- Ensure responsive design, localization, and accessibility.

- Implement localization and accessibility best practices.

- Participate in code reviews, mentoring, and technical planning.