Lead Full Stack Engineer (.Net+React)

N-iX; Poland; Remote; PLN 180,000 - 240,000; Full time

Job summary

A leading technology company in Poland is seeking a Lead Full Stack Engineer to join its team. You will guide technical decisions across backend and frontend while ensuring code quality. The ideal candidate has over 7 years of software development experience and 2 years of leading teams, with expertise in .Net and React. This role offers a competitive salary and flexible working options, along with opportunities for professional development.

Benefits

Flexible working format

Competitive salary and compensation package

Education reimbursement

Qualifications

• 7+ years of experience in software development.
• 2+ years of Team/Tech leading experience.
• Deep understanding of full-stack development and frontend/backend integration.

Responsibilities

• Translate architecture into actionable implementation plans.
• Guide technical decisions across backend and frontend.
• Ensure code quality and adherence to best practices.

Skills

Expert in .Net

React

API design using REST

Mentoring team members

Strong experience with modular backend frameworks

Job description

Overview

We are looking for Lead Full Stack Engineer to join our team. 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.

Responsibilities

• Translate architecture into actionable implementation plans
• Guide technical decisions across backend and frontend
• Ensure code quality and adherence to best practices
• Coordinate development tasks

Requirements

• 7+ years of experience in software development
• 2+ years of Team/Tech leading experience
• Expert in .Net, React
• Deep understanding of full-stack development and frontend/backend integration
• Architecture design and code review experience in JavaScript/TypeScript environments
• API design using REST and optionally GraphQL
• Strong experience with modular backend frameworks
• Proficient in frontend architecture, state management, and component design
• Mentoring team members, sprint planning, and leading agile ceremonies
• Familiarity with CI/CD pipelines and Azure deployment workflows
• Experience integrating with SQL-based systems and data warehouses (e.g., Azure SQL, Snowflake)
• At least Upper-Intermediate English level

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