Senior Full-Stack Tech Lead (Java + React) — Remote

N-iX; Kraków; Hybrid; PLN 220,000 - 360,000; Full time

Benefits offered by this job

Flexible working format

Education reimbursement

Career growth

Job summary

N-iX in Kraków is seeking an experienced Technical Lead / Full Stack Engineer (Java + React) to guide and grow a team of developers across the full software life cycle.

You will lead architecture, drive engineering excellence, and collaborate with product owners to translate requirements into scalable solutions. The role combines hands-on coding with strategic oversight in a flexible, remote-friendly work environment.

Qualifications

• BS degree in Computer Science or equivalent.
• 6+ years of full-stack development experience.
• 6+ years in Java and Spring.
• 2+ years in React frontend development.
• 2+ years in TDD/BDD (JUnit/Jasmine/Mockito/Protractor-Selenium).
• 2+ years in microservices (Spring Boot/Cloud).
• DevOps experience and Jenkins.
• English fluency in speaking and writing.

Responsibilities

• Guide, mentor, and foster growth of full-stack engineers.
• Lead architectural design and technical direction of apps.
• Establish high standards for code quality, testing, CI/CD, and DevOps.
• Collaborate with product owners to translate requirements into strategy.
• Own full-stack development and remote pairing.
• Drive end-to-end development lifecycle including deployment.
• Foster XP environment with rapid feedback loops.

Skills

Java

Spring

React

Microservices

Leadership

Jenkins

Kubernetes

Java Streams

Education

BS in Computer Science

Tools

Spring Boot

Kubernetes

Cloud Foundry

Job description

N-iX in Kraków is seeking an experienced Technical Lead / Full Stack Engineer (Java + React) to guide and grow a team of developers across the full software life cycle.

You will lead architecture, drive engineering excellence, and collaborate with product owners to translate requirements into scalable solutions. The role combines hands-on coding with strategic oversight in a flexible, remote-friendly work environment.