HubMub
-
N-iX

Senior Java Backend Engineer

N-iX
Poland · Full-time · Not Applicable
N-iX is a software development service company that helps businesses across the globe develop successful software products. Founded in 2002 in Lviv, N-iX has come a long way and increased its presence in nine countries - Poland, Ukraine, Sweden, Romania, Bulgaria, Malta, the UK, the US, and Colombia. Today, we are a strong community of 2,000+ professionals and a reliable partner for global industry leaders and Fortune 500 companies.

We are seeking an experienced Backend Engineer with strong Java development skills to join our dynamic engineering team. In this role, you will be instrumental in developing technical solutions for complex business problems in purchasing and supply chain management. You will be expected to collaborate closely with other teams, contribute innovative ideas, and take ownership of important product features.

Responsibilities:

  • Develop and maintain backend services using Java and Spring Boot (3+), with a focus on microservices and JPA for data persistence.
  • Design and implement RESTful and GraphQL APIs, ensuring strong understanding of OpenAPI and API protocols.
  • Work with relational databases like PostgreSQL, including advanced database structure and SQL skills.
  • Manage AWS services, including ECR, ECS, SQS, and RDS for deploying and maintaining applications.
  • Utilize Docker for containerization and service orchestration.
  • Collaborate in an agile team environment, using Git, GitHub, and GitHub flow for version control and CI/CD.
  • Write well-structured, maintainable, and secure code while adhering to best development practices.

Requirements:

  • 8+ years of experience with Java, Spring Boot, and Hibernate.
  • Strong knowledge of data structures, algorithms, OOP, and distributed systems.
  • 5+ years of experience with PostgreSQL, SQL, and JPA.
  • Expertise in REST APIs and service-oriented architecture.
  • Strong experience with AWS services and Docker/Kubernetes.
  • Proficiency in CI/CD processes and version control with Git.
  • Excellent communication skills and attention to detail.

Preferred Qualifications:

  • Basic knowledge of front-end technologies (JavaScript, React).
  • Familiarity with Agile methodologies and open-source contributions.

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

Key Skills

Ranked by relevance

spring boot postgresql java sql aws containerization data structures microservices javascript graphql docker cicd git sqs oop ecs
Login to Apply
🇵🇱

Country Guide

Poland

Fast-growing Central European IT hub

Posted
Feb 06, 2025
Type
Full-time
Level
Not Applicable
Location
Poland
Company
N-iX

Industries

Software Development Technology Information Internet IT Services IT Consulting

Categories

Engineering

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
Toptal
Related

Senior Backend Engineer, AI Agents

2026-04-09

Full-time
Not Applicable
Lithuania
Technology
Engineering
View Job Details
TechHeads
Related

Senior Software Engineer (NodeJS) - Greenfield Development, Remote Frist

2026-04-12

Full-time
Mid-Senior
Ireland
Software Development
Information Technology
View Job Details
DXC Technology
Related

Application Engineer (Junior to Intermediate Backend Developer)

2026-04-08

Full-time
Not Applicable
Poland
IT Services
Engineering