Senior Full Stack Developer (.Net+React)

Nix

Poland (Poland, Ukraine) Remote permanent

Posted: May 20, 2026

Required Skills

Job Description

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.

• Experience with data exchange with Snowflake as a plus.

• 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.

We offer*:

• Flexible working format - remote, office-based or flexible

• A competitive salary and good compensation package

• Personalized career growth

• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)

• Active tech communities with regular knowledge sharing

• Education reimbursement

• Memorable anniversary presents

• Corporate events and team buildings

• Other location-specific benefits

*not applicable for freelancers

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