Senior Java Full Stack Engineer

N-iX; Poland; Hybrid; PLN 240,000 - 320,000; Full time

Job summary

A global software company in Poland is looking for a skilled Java Developer with over 5 years of experience in Java-based applications and expertise in REST APIs. The role involves developing new features, supporting existing applications, and adhering to best practices in coding. The company offers flexible work arrangements and a competitive salary along with professional development tools.

Benefits

Flexible working format

Competitive salary

Personalized career growth

Professional development tools

Education reimbursement

Memorable anniversary presents

Corporate events

Team building

Qualifications

• 5+ years of experience in Java-based web application development.
• Strong proficiency in Java and J2EE.
• Expertise in developing REST APIs.
• Hands-on experience with JS, HTML, and CSS.
• Knowledge of Oracle 19c.

Responsibilities

• Building new features on top of the existing web application.
• Support of existing applications, including bug fixes and security updates.
• Participate in code reviews and design discussions.
• Troubleshoot and debug issues in production environments.
• Write clean and maintainable code adhering to coding standards.

Skills

Java

J2EE

REST APIs

JavaScript

HTML

CSS

Oracle 19c

Docker

Kubernetes

MS Azure

IntelliJ

Postman

Swagger

Agile methodologies

Test-driven development

Communication

Teamwork

Job description

Overview

Our client is a global software company specializing in workplace and asset management solutions. The mission is to help organizations optimize physical resources by providing innovative, cloud-based software and services.

With a presence in over 150 countries, our client serves more than 10,000 customers across various industries, enabling them to make informed decisions, drive operational excellence, and achieve business growth. Comprehensive solutions cover all stages of real estate, facilities, and asset management, from capital planning to IoT-based monitoring and control.

Headquartered in the U.S. with major offices worldwide, we are dedicated to unifying the built environment and transforming how people and systems work together.

You will join the team working on an integrated facility management solution designed to streamline and optimize the management of facilities, assets, field services, energy, and refrigerants.

Requirements

• 5+ years of experience in development of Java-based web applications


• Strong proficiency in Java, J2EE


• Expertise in developing REST APIs


• Practical experience with JS, HTML, CSS


• Knowledge of Oracle 19c


• Hands-on experience with Docker containers, Kubernetes


• Working experience with MS Azure


• Proficient in using development tools like IntelliJ, Postman, Swagger


• Strong understanding of version control, security best practices, and Agile methodologies, especially SAFe


• Familiarity with test-driven development


• Excellent communication and teamwork skills, with the ability to mentor junior developers.

Responsibilities

• Building new features on top of the existing web application, using Java, J2EE


• Support of existing applications (bug fixes, security updates, technical improvements)


• Work, using SAFe methodology, to deliver incremental value, actively participating in code reviews, sprint planning, and design discussions.


• Troubleshoot and debug complex issues in production and staging environments.


• Write clean, maintainable, and efficient code while adhering to coding standards and best practices.

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